Answer:
(b) Metamerism is the
division of animal body, externally and internally into segments with a serial
repetition of at least some organism, e.g., annelids (earthworm).
However,
Segmentation refers to the division of animal's body into a series of
repetitive segments. It is external in arthropods, and internal in vertebrates.
Metagenesis
is the phenomenon in which one generation of certain animals and plants reproduces
asexually, followed by a sexually reproducing generation, i.e., alternation of generation
(e.g., Obelia).
Metamorphosis
is the developmental process in an organism through which it changes from one
life form to another (e.g., Order-Lepidoptera-Butterfly
egg-larvae-pupa-adult).
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