Exam 32: Deuterostome Animals

Continental drift, resulted in an increase in dry habitats on Earth.Which character would not have affected the evolution of the tetrapods from aquatic habitats to dry land?

Which statement about archosaurs is false?

Which statement about the vulnerability of most modern amphibians to environmental change is true?

What major geologic change occurred during primate evolution, and how did it alter the way primate evolution proceeded?

Which echinoderm group lacks "arms"?

Refer to the figure. In the figure, the madreporite is an external opening of a calcified tube that communicates with the circular canal in the middle of the animal.What substance passes through the madreporite, and in which direction?

Refer to the figure. The basket-like structure in the figure is derived from which structure(s)?

Refer to the figure. What is the function of the large amount of yolk in the amniote egg shown?

Which statement concerning lancelets (cephalochordates) is false?

Compared to modern people of other continents, the genomes of modern native people of Asia, Melanesia, and Australia contain higher proportions of _______ genes.

The common ancestor of deuterostomes

Which is not thought to be a cause of the disappearance and decline of amphibians?

The sharks, skates, and rays possess all of the following characteristics except

Crocodilians, birds, and dinosaurs are grouped as archosaurs because they

The tube feet of _______ are covered with mucus-secreting glands.Passing food particles in water stick to the mucus, and tube feet transfer these particles to grooves in the arms, where cilia carry food to the mouth.

Which of the following observable characteristics places the yunnanozoan fossils in the deuterostome group?

The _______ were the first vertebrate group that could live completely outside of water or moist habitats.

Which of the following did not occur in both the protostomes and deuterostomes?

Which of the following provides an example of neoteny?

Dinosaurs were agile, rapid runners that dominated Earth for _______ million years, with most becoming extinct at the end of the _______.