Multiple Choice
Most amphibians return to water to lay their eggs because
A) the egg lacks an amniotic membrane.
B) water is isotonic with their egg fluids.
C) amphibians need water to mate.
D) embryos rapidly dry out as they do not have a covering.
E) fertilisation is external.
Correct Answer:
Verified
Correct Answer:
Verified
Q35: The earliest larval stage of echinoderms<br>A) is
Q36: Which of these statements about echinoderms is
Q37: The tube feet in echinoderms are extended
Q38: Although echinoderms appear to have radial symmetry,
Q39: A natural history museum curator has been
Q41: The water vascular system is<br>A) coelomic in
Q42: A marine biologist is asked to identify
Q43: From earliest to latest, what is the
Q44: Eutherians include a diversity of forms which
Q45: Excretion of nitrogenous wastes in Echinoderms is