Textbook Question
Identify the pattern of embryonic development shown in each drawing below and name the phylum (or phyla) that exhibit this pattern.
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Taylor, Simon, Dickey, Hogan 10th Edition
Ch. 18 The Evolution of Invertebrate Diversity
Problem 1
Verified step by step guidance
Bilateral symmetry in animals is best correlated with
a. An ability to see equally in all directions.
b. The presence of a skeleton.
c. Motility and active predation and escape.
d. Adaptation to terrestrial environments.
Jon found an organism in a pond, and he thinks it's a freshwater sponge. His friend Liz thinks it looks more like an aquatic fungus. How can they decide whether it is an animal or a fungus?
a. See if it can swim.
b. Figure out whether it is autotrophic or heterotrophic.
c. See if it is a eukaryote or a prokaryote.
d. Look for cell walls under a microscope.