-
question_answer1)
The Miller-Urey abiotic synthesis experiment (and other subsequent, similar experiments) shows that:
A)
simple organic molecules can for spontaneously under conditions like those thought to prevail early in the earth's history. done
clear
B)
The earliest life forms introduced large amounts of oxygen to the atmosphere. done
clear
C)
Life can be created in a test tube. done
clear
D)
Long chains of DNA can form under abiotic conditions. done
clear
View Solution play_arrow
-
question_answer2)
The atmosphere of early earth probably contained no\[{{O}_{2}}\]until the emergence of organisms that:
A)
Were chemoautotrophic. done
clear
B)
Were oxygen-respiring. done
clear
C)
Used hydrogen sulfide as a hydrogen source for photosynthesis. done
clear
D)
Used water as a hydrogen source for photosynthesis. done
clear
View Solution play_arrow
-
question_answer3)
Which of the following has been basic material for the origin of life?
A)
Carbohydrates done
clear
B)
Proteins done
clear
C)
Nucleic acids done
clear
D)
Nucleoproteins done
clear
View Solution play_arrow
-
question_answer4)
Miller synthesised simple amino acids from water vapours and mixtures containing:
A)
\[{{H}_{2}},{{O}_{2,}}{{N}_{2}}\](1:2:1) done
clear
B)
\[{{H}_{2}},{{O}_{2,}}{{N}_{2}}\](2: 1:2) done
clear
C)
\[C{{H}_{4}},N{{H}_{3,}}{{H}_{2}}\](2:1:2) done
clear
D)
\[C{{H}_{4}},N{{H}_{3,}}{{H}_{2}}\](1:2:1) done
clear
View Solution play_arrow
-
question_answer5)
The most primitive cell-like chemical aggregates capable of growth and division were:
A)
Chemoautotrophs done
clear
B)
Eobionts done
clear
C)
Prokaryotes done
clear
D)
Microspheres done
clear
View Solution play_arrow
-
question_answer6)
Under certain conditions scientists have obtained cell-like structures. These are known as:
A)
Prebiotic soup done
clear
B)
Coacervates done
clear
C)
Protists done
clear
D)
Microbes done
clear
View Solution play_arrow
-
question_answer7)
A population of organisms has a gene for which there are two alleles, D and d. The allele frequency of D = 0.8. If this population satisfies all five of the Hardy-Weinberg conditions, what are the genotype frequencies that are expected in the next generation?
A)
DD = 0.04; Dd = 0.32; dd = 0.64 done
clear
B)
DD = 0.64; Dd = 0.32; dd = 0.64 done
clear
C)
DD = 0.04; Dd= 0.64; dd= 0.32 done
clear
D)
DD = 0.64; Dd = 0.32; dd = 0.04 done
clear
View Solution play_arrow
-
question_answer8)
What was the earliest hominid to have an enlarged brain (relative to body size)?
A)
Neanderthal done
clear
B)
Homo habilis done
clear
C)
Australopithecus done
clear
D)
Homo erectus done
clear
View Solution play_arrow
-
question_answer9)
Which characteristic of living monkeys suggests that the earliest anthropoids were monkey-like?
A)
All monkeys lack tails, like prosimians. done
clear
B)
All monkeys are arboreal, like prosimians. done
clear
C)
Like prosimians, monkeys rely more on smell than on eyesight for finding food and avoiding predators. done
clear
D)
Of all the anthropoids, monkeys have brains that are most similar in size (relative to body size) to those of prosimians. done
clear
View Solution play_arrow
-
question_answer10)
The earliest primates were most similar to modem:
A)
Arboreal prosimians done
clear
B)
Arboreal anthropoids done
clear
C)
Ground-dwelling anthropoids done
clear
D)
Ground-dwelling prosimians done
clear
View Solution play_arrow
-
question_answer11)
Australopithecus was the first of our ancestors known to:
A)
Move out of Africa and spread throughout Eurasia. done
clear
B)
Have definitely diverged from the apes. done
clear
C)
Leave written records. done
clear
D)
Have a brain size equal to or larger than ours. done
clear
View Solution play_arrow
-
question_answer12)
Following is the diagrammatic representation of the operation of natural selection of different traits. Which of the following options correctly identifies all the three graphs A, B and C.
A)
B)
C)
D)
View Solution play_arrow
-
question_answer13)
Match column-I with column-II and select the correct option.
| Column-I | | Column-II |
A. | Saltation | I. | Darwin |
B. | Formation of life was preceded | II. | Louis Pasteur |
C. | Reproductive fitness | III. | De Vries |
D. | Life comes from pre-existing life | IV. | Oparin and haldance |
A)
A-III; B-IV; C-I; D-II done
clear
B)
A-IV; B-III; C-II; D-I done
clear
C)
A-II; B-III; C-I; D-IV done
clear
D)
A-I; B-IV; C-III; D-II done
clear
View Solution play_arrow
-
question_answer14)
Which of the following is/are incorrect about Neanderthal man?
(i) Had large brain around 900 c.c. |
(ii) Lived in near east and central Asia between 100000-40000 years back. |
(iii) Used hides to protect their body and buried their dead. |
(iv) Had no religious feeling. |
A)
All of these done
clear
B)
None of these done
clear
C)
(i) and (iv) done
clear
D)
(ii) and (iii) done
clear
View Solution play_arrow
-
question_answer15)
Coloured rock-paintings were presumably first made by:
A)
Cro-Magnon man done
clear
B)
Neanderthal man done
clear
C)
Java ape-man done
clear
D)
Peking man done
clear
View Solution play_arrow
-
question_answer16)
Man differs from apes in having:
A)
Legs longer than arms. done
clear
B)
Protruding jaws. done
clear
C)
Grasping hands. done
clear
D)
Poorly developed forehead. done
clear
View Solution play_arrow
-
question_answer17)
Man who first built huts and burried the dead with ceremonies are:
A)
Java man done
clear
B)
Neanderthal done
clear
C)
Cro-Magnon done
clear
D)
Peking man done
clear
View Solution play_arrow
-
question_answer18)
The presence of which one of the following was absolutely essential for the development of the first life forms?
A)
Heat produced by a planet whose surface was still warm. done
clear
B)
A reducing atmosphere. done
clear
C)
Volcanoes spewing forth various gases. done
clear
D)
UV light. done
clear
View Solution play_arrow
-
question_answer19)
Both prokaryotic and eukaryotic fossils are found in:
A)
Azoic done
clear
B)
Coenozic done
clear
C)
Proterozoic done
clear
D)
Archaeozoic done
clear
View Solution play_arrow
-
question_answer20)
Desulfovibrio is a bacterium that breaks down organic matter which it must have and uses sulphate not oxygen as an electron acceptor. As a result, it produces hydrogen sulphide (\[{{H}_{2}}S\]), accounting for the 'rotten egg' smell of swamp muck. Oxygen is a deadly poison to Desulfovibrio. We would call Desulfovibrio a(n):
A)
facultatively anaerobic chemoautotroph. done
clear
B)
obligately anaerobic chemoheterotroph. done
clear
C)
facultatively aerobic chemoheterotroph. done
clear
D)
obligately anaerobic chemoautotroph. done
clear
View Solution play_arrow
-
question_answer21)
The first ribozyme was found in:
A)
Nuclear gene for a DNA replicating enzyme. done
clear
B)
Mitochondrial gene for a respiratory enzyme. done
clear
C)
mRNA for a mitochondrial enzyme. done
clear
D)
An intron within a pre-rRNA molecule. done
clear
View Solution play_arrow
-
question_answer22)
Homo habilis was the first of our ancestors to:
A)
Have a brain size equal to (or larger than) ours. done
clear
B)
Leave written records. done
clear
C)
Use tools. done
clear
D)
Have definitely diverged from the apes. done
clear
View Solution play_arrow
-
question_answer23)
The similarity of mitochondrial DNA among different human races suggests that the races:
A)
All arose from a single ancestral population. done
clear
B)
Are closely related to chimpanzees. done
clear
C)
Share no recent common ancestor. done
clear
D)
Arose from distinct ancestral populations. done
clear
View Solution play_arrow
-
question_answer24)
The finches of Galapagos islands provide an evidence in favour of:
A)
Evolution due to mutation. done
clear
B)
Retrogressive evolution. done
clear
C)
Biogeographical evolution. done
clear
D)
Special creation. done
clear
View Solution play_arrow
-
question_answer25)
The shape of the heals of Darwins finches, industrial melanism, or the changes in horse teeth are all examples of:
A)
Artificial selection done
clear
B)
Natural selection done
clear
C)
Convergent evolution done
clear
D)
Homologous structures done
clear
View Solution play_arrow
-
question_answer26)
Choose the incorrect statement regarding Hardy-Weinberg principle.
A)
Allele frequencies in a population are stable and constant from generation to generation. done
clear
B)
Sum total of all the allelic frequencies in a population is 1. done
clear
C)
Variation due to genetic drift results in changed frequency of genes and alleles in future generations. done
clear
D)
Genetic recombination helps in maintaining Hardy-Weinberg equilibrium. done
clear
View Solution play_arrow
-
question_answer27)
Which of the following pairs of terms is not related?
A)
Evolution - Natural selection done
clear
B)
Vestigial structure - Appendix. done
clear
C)
Analogous structures - Butterfly wings done
clear
D)
Adaptive radiations - Vertebrates hearts or brains done
clear
View Solution play_arrow
-
question_answer28)
What was the most significant trend in the evolution of modem man (Homo sapiens) from his ancestors?
A)
Shortening of jaws. done
clear
B)
Binocular vision. done
clear
C)
Increasing cranial capacity. done
clear
D)
Upright posture. done
clear
View Solution play_arrow
-
question_answer29)
Trilobite is an extinct:
A)
Mammal done
clear
B)
Reptile done
clear
C)
Mollusc done
clear
D)
Arthropod done
clear
View Solution play_arrow
-
question_answer30)
The tendency of population to remain in genetic equilibrium may be disturbed by:
A)
Random mating done
clear
B)
Lack of immigration done
clear
C)
Lack of mutations done
clear
D)
Lack of random mating done
clear
View Solution play_arrow
-
question_answer31)
Which one of the following supports the 'multi- regional' hypothesis of the origin of mode humans from archaic Homo sapiens?
A)
The high variability of nuclear DNA in some modem Africans. done
clear
B)
The uniformity in mtDNA among modem human populations. done
clear
C)
The oldest known fossils of modem Homo sapiens have been found in Africa. done
clear
D)
The existence of distinctive human races. done
clear
View Solution play_arrow
-
question_answer32)
In human evolution, which of the following occurred before the switch to walking upright?
A)
Tool use done
clear
B)
Mastery of fire done
clear
C)
Spoken language done
clear
D)
Enhanced grasping ability done
clear
View Solution play_arrow
-
question_answer33)
Which is thought to be the first hominid to use fire?
A)
Homo erectus done
clear
B)
Homo habilis done
clear
C)
Australopithecus africanus done
clear
D)
The Neanderthals done
clear
View Solution play_arrow
-
question_answer34)
The ultimate source of all genetic variation is:
A)
Natural selection done
clear
B)
Genetic drift done
clear
C)
Sexual recombination done
clear
D)
Mutation done
clear
View Solution play_arrow
-
question_answer35)
Select the correct order of geological time scale of earth.
A)
Palaeozoic \[\to \] Archaeozoic \[\to \] Coenozoic done
clear
B)
Archaeozoic \[\to \] Palaeozoic \[\to \] Proterozoic done
clear
C)
Palaeozoic \[\to \] Mesozoic \[\to \] Coenozoic done
clear
D)
Mesozoic \[\to \] Archaeozoic \[\to \] Proterozoic done
clear
View Solution play_arrow
-
question_answer36)
Which of the following is a correct?
A)
Homo erectus lived in east and central Asia and used hides to protect their bodies. done
clear
B)
Agriculture came around 18000 years back. done
clear
C)
The skull of modem human resembles more closely to baby chimpanzee than to adult chimpanzee. done
clear
D)
All of the above done
clear
View Solution play_arrow
-
question_answer37)
The diversity within the wild bird species in the diagram below can best be explained by which process?
A)
Natural selection done
clear
B)
Ecological succession done
clear
C)
Adaptive radiation done
clear
D)
Both [a] and [c] done
clear
View Solution play_arrow
-
question_answer38)
Coacervates belongs to which of the following categories?
A)
Cyanobacteria done
clear
B)
Protozoans done
clear
C)
Molecular aggregate with lipid bilayer. done
clear
D)
Molecular aggregate which lack definite lipid membrane. done
clear
View Solution play_arrow
-
question_answer39)
Which one of the following amino acids was not found to be synthesised in Miller's experiment?
A)
Alanine done
clear
B)
Glycine done
clear
C)
Aspartic acid done
clear
D)
Glutamic acid done
clear
View Solution play_arrow
-
question_answer40)
How has the free \[{{O}_{2}}\] been released into the earth's atmosphere as there was no free \[{{O}_{2}}\] at the time of origin of life?
A)
By catabolic activity of animals done
clear
B)
By photosynthetic activity done
clear
C)
By heating of the earth done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer41)
The first formed organism (riboorganism) used only........for catalysing reactions.
A)
DNA done
clear
B)
Amino acids done
clear
C)
Fatty acids done
clear
D)
RNA done
clear
View Solution play_arrow
-
question_answer42)
Read the following three statements (i-iii) and mark the right option.
(i) The thorns in Bougainvillea and tendrils in cucurbits represent divergent evolution. |
(ii) The similarity in the eyes of Octopus and monkeys is the result of convergent evolution. |
(iii) The potato and sweet potato are the examples of homology. |
A)
(i) and (ii) done
clear
B)
(ii) and (iii) done
clear
C)
(i) and (iii) done
clear
D)
Only (i) is done
clear
View Solution play_arrow
-
question_answer43)
Identify the incorrect statements regarding origin of life:
(i) Swan-neck flask experiment was performed by Louis Pasteur. |
(ii) Louis Pasteur is famous for germ theory of disease. |
(iii) Louis Pasteur disapproved spontaneous theory forever. |
(iv) Cosmozoic theory of origin of life was proposed by Richter. |
(v) Theory of Catasrophism was given by Georges Cuvier. |
A)
(i), (ii) and (iv) done
clear
B)
(i), (ii), and (v) done
clear
C)
(i), (ii), (iii), (iv) and (v) done
clear
D)
None of the above done
clear
View Solution play_arrow
-
question_answer44)
Match the evolution concepts given in column-I with their description given in column-II and select the correct answer.
| Column-I | | Column-II |
A. | Mutation | I. | Change in population?s allele frequencies due to chance alone. |
B. | Gene flow | II. | Differences is survival and reproduction among variant individuals. |
C. | Natural selection | III. | Immigration, emigration change allele frequencies. |
D. | Genetic drift | IV. | Source of new alleles. |
A)
A-I; B-II; C-III; D-IV done
clear
B)
A-IV; B-II; C-III; D-I done
clear
C)
A-III; B-I; C-IV; D-II done
clear
D)
A-IV; B-III; C-II; D-I done
clear
View Solution play_arrow
-
question_answer45)
Sita saw an old Tarzan movie on television. The movie supposedly took place in Africa, but Trina easily spotted that it was not really filmed there. Which of the following could have tipped her off?
A)
Chimps like Cheetah do not live in Africa. done
clear
B)
The monkeys in the jungle all had prehensile tails. done
clear
C)
There were no lemurs shown in the forest. done
clear
D)
Tarzan wrestled with a gorilla. done
clear
View Solution play_arrow
-
question_answer46)
Evolutionary convergence is characterised by:
A)
Development of dissimilar characteristics in closely related groups. done
clear
B)
Development of common set of characteristics in groups of different ancestory. done
clear
C)
Development of characteristics by random mating. done
clear
D)
Replacement of common characteristics in different groups. done
clear
View Solution play_arrow
-
question_answer47)
The given figure shows an example of:
A)
Homologous organs done
clear
B)
Convergent evolution done
clear
C)
Divergent evolution done
clear
D)
Both [a] and [c] done
clear
View Solution play_arrow
-
question_answer48)
A new species is formed when:
A)
An individual with a new genotype is formed due to exchange of chromosome segments during crossing-over in gametogenesis. done
clear
B)
Genotypic changes accumulate in a population resulting in its reproductive isolation. done
clear
C)
Variants with new phenotypes are produced due to new combinations of genes during reproduction. done
clear
D)
Homologous chromosomes exchange segments during crossing-over in gametogenesis. done
clear
View Solution play_arrow
-
question_answer49)
Ancestor of man who first stood erect was:
A)
Australopithecus done
clear
B)
Java ape man done
clear
C)
Peking man done
clear
D)
Cro-Magnon done
clear
View Solution play_arrow
-
question_answer50)
Cro-Magnon man was:
A)
Carnivorous done
clear
B)
Omnivorous done
clear
C)
Herbivorous done
clear
D)
Frugivorous done
clear
View Solution play_arrow
-
question_answer51)
Diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos Islands, as observed by Darwin. This provides evidence for:
A)
Intraspecific variations done
clear
B)
Intraspecific competition done
clear
C)
Interspecific competition done
clear
D)
Origin of Species by natural selection done
clear
View Solution play_arrow
-
question_answer52)
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed as _____.
A)
Convergent evolution done
clear
B)
Divergent evolution done
clear
C)
Microevolution done
clear
D)
Co-evolution done
clear
View Solution play_arrow
-
question_answer53)
Evolution is a:
A)
Progressive development of a race. done
clear
B)
History and development of a race along with variations. done
clear
C)
History of a race. done
clear
D)
Development of a race. done
clear
View Solution play_arrow
-
question_answer54)
One of the important consequences of geographical isolation is:
A)
Random creation of new species. done
clear
B)
No change in the isolated fauna. done
clear
C)
Preventing speciation. done
clear
D)
Speciation through reproductive isolation. done
clear
View Solution play_arrow
-
question_answer55)
A geneticist mixed together many different kinds of fruit flies-some with long wings, some with short wings, some with red eyes, some with .brown eyes, and so on. He allowed the flies to feed, mate randomly, and reproduce by the millions. After many generations, most of the flies in the population had medium wings and red eyes, and most of the extreme types had disappeared. This experiment appears to demonstrate:
A)
Stabilising selection done
clear
B)
Geographic variation done
clear
C)
Diversifying selection done
clear
D)
Genetic drift done
clear
View Solution play_arrow
-
question_answer56)
Most biologists think that RNA was the first genetic material because:
A)
Amino acids were produced in Stanley Miller's apparatus. done
clear
B)
DNA is the universal genetic material of eukaryotes. done
clear
C)
Existence of ribozymes suggests RNA was used to catalyse chemical reations. done
clear
D)
RNA is simpler than DNA. done
clear
View Solution play_arrow
-
question_answer57)
In primordial atmosphere, when the living, organism evolved, the respiration process was:
A)
Anaerobic as it released more energy. done
clear
B)
Aerobic as it was more complex. done
clear
C)
Aerobic as it released more energy. done
clear
D)
Anaerobic because early atmosphere contained little or no oxygen. done
clear
View Solution play_arrow
-
question_answer58)
Reproductive isolation can occur in a number of ways, but the net effect is always the same in that:
A)
Hybridisation must take place before new species can form. done
clear
B)
It causes geographic isolation between organisms. done
clear
C)
The rate of speciation slows down. done
clear
D)
Few or no genes flow between populations. done
clear
View Solution play_arrow
-
question_answer59)
Reproductive isolation is to speciation as selection is to:
A)
Adaptive evolution done
clear
B)
Hybridisation done
clear
C)
Ecological isolation done
clear
D)
Polyploidy done
clear
View Solution play_arrow
-
question_answer60)
What is observed in evolution?
A)
A sudden change occurring in a population. done
clear
B)
Progeny with modifications. done
clear
C)
It is a discontinuous process. done
clear
D)
All of the above done
clear
View Solution play_arrow
-
question_answer61)
The evolution occurring at a genetic level is called:
A)
Macroevolution done
clear
B)
Megaevolution done
clear
C)
Inorganic evolution done
clear
D)
Microevolution done
clear
View Solution play_arrow
-
question_answer62)
Identify the correct conclusion regarding the given statements.
(i) There are patterns in the fossil record that suggest other species have diverged from a single ancestor species. |
(ii) There are biogeographic patterns in the distribution of species, for instance distinct bird species on an island tend to resemble one another, suggesting a common ancestor. |
(iii) There are common stages in the early embryological development of organisms representing several distinct vertebrate groups. |
(iv) Anatomical structures, such as forelimbs, in different groups appear to be modified versions of structures that might have been present in a common ancestor. |
A)
These are the example of a macro evolutionary process. done
clear
B)
They are the evidences for Lamarck's theory of inheritance. done
clear
C)
They are the evidences for Darwin's theory of common descent done
clear
D)
They are the examples of natural selection which occurs within populations, where artificial selection does not occur. done
clear
View Solution play_arrow
-
question_answer63)
Select the correct statement(s).
(i) Adaptative ability is inherited. |
(ii) Adaptative ability has a genetic basis. |
(iii) Fitness is the end result of the ability to adapt and get selected by nature. |
A)
(i), (ii) and (iii) done
clear
B)
None of these done
clear
C)
Only (i) and (iii) done
clear
D)
Only (ii) done
clear
View Solution play_arrow
-
question_answer64)
Match the column-I with column-II and select the correct option.
| Column-I (Name of the Scientist) | | Column-II (Contributions) |
A. | Charles Darwin | I. | Mutation theory |
B. | Lamarck | II. | Germ plasm theory |
C. | Hugo De Vries | III. | Philosophie Zoologique |
D. | Ernst Haeckel | IV. | The Origin of species |
E. | August Weismann | V. | Biogenetic law |
F. | | VI. | Essay on population |
A)
A-IV; B-III; C-I; D-V; E-II done
clear
B)
A-IV; B-III; C-V; D-I; E-VI done
clear
C)
A-IV; B-VI; C-V; D-III; E-I done
clear
D)
A-II; B-III; C-I; D-V; E-II done
clear
View Solution play_arrow
-
question_answer65)
The diagram (A and B) given below shows the skull of two different mammals. Which of the following accurately describes the differences between these skulls?
A)
Skull A has more teeth than skull B. done
clear
B)
Skull A has more brain capacity than skull B. done
clear
C)
Skull A is of a human and skull B is of an ape. done
clear
D)
Skull A is of an ape and skull B is of human. done
clear
View Solution play_arrow
-
question_answer66)
More recent prebiotic simulations in the lab mimic conditions found in ________.
A)
Deep sea hydrothermal vents done
clear
B)
Shallow ponds done
clear
C)
Underside of sea ice done
clear
D)
All of the above. done
clear
View Solution play_arrow
-
question_answer67)
Consider a population with a total of 500 alleles for a specific gene. How many individuals are in this population?
A)
1000 done
clear
B)
500 done
clear
C)
250 done
clear
D)
125 done
clear
View Solution play_arrow
-
question_answer68)
If a guppy species found in a stream is placed in a lake, its colour will evolve rapidly from colourful to drab over as few as 10 generations because of the:
A)
Lack of food. done
clear
B)
Presence of additional predators in the lake. done
clear
C)
Temperature of the air. done
clear
D)
Taste of the water. done
clear
View Solution play_arrow
-
question_answer69)
The smallest unit that can evolve, is a:
A)
Species done
clear
B)
Genotype done
clear
C)
Gene done
clear
D)
Population done
clear
View Solution play_arrow
-
question_answer70)
Most modem breeds of domestic dogs are evolved by:
A)
Natural selection done
clear
B)
Artificial selection done
clear
C)
Sexual selection done
clear
D)
Reproductive isolation done
clear
View Solution play_arrow
-
question_answer71)
The theory of natural selection, proposed by Darwin to explain Organic Evolution was based on:
A)
Modifications of organs through use and disuse. done
clear
B)
Enormous rate of reproduction, struggle for existence and survival of the fittest. done
clear
C)
Inheritance of acquired characters. done
clear
D)
Appearance of sudden large variations, inheritance and survival of those having these variations. done
clear
View Solution play_arrow
-
question_answer72)
Suppose that a new fossil hominid is discovered. What criterion can be used to determine where in the human evolutionary lineage this new fossil belongs?
A)
Brain size done
clear
B)
Tooth structure done
clear
C)
Foot structure done
clear
D)
All of these done
clear
View Solution play_arrow
-
question_answer73)
The given figure provides an example of:
A)
Convergent evolution done
clear
B)
Parallel evolution done
clear
C)
Recapitulation done
clear
D)
Divergent evolution done
clear
View Solution play_arrow
-
question_answer74)
Which of the following is correct statement?
A)
Life originated in mesozoic era. done
clear
B)
Earth was formed about 4.6 million years ago. done
clear
C)
1st living organism in Primitive Ocean was coacervate. done
clear
D)
Homologous organs show divergent evolution. done
clear
View Solution play_arrow