Animal Diversity and Characterization
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Animal Diversity and Characterization

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@HarmoniousEpic

Questions and Answers

What is the characteristic that distinguishes animals from other organisms?

Being eukaryotic and multicellular

What is the name of the germ layer that gives rise to the central nervous system?

Ectoderm

What is the term for the development of a head in animals?

Cephalization

What is the name of the phylum that includes sponges?

<p>Porifera</p> Signup and view all the answers

What is the term for a true fluid body cavity derived from mesoderm?

<p>Coelom</p> Signup and view all the answers

What is the main characteristic of animals that distinguishes them from plants?

<p>Heterotrophy</p> Signup and view all the answers

What is the main characteristic of the body form of jellyfishes and corals?

<p>Radial symmetry</p> Signup and view all the answers

Which phylum is characterized by the presence of a true body cavity?

<p>Annelida</p> Signup and view all the answers

What is the function of nematocysts in jellyfishes?

<p>Stinging cells</p> Signup and view all the answers

Which phylum is characterized by the presence of pseudocoelomates?

<p>Nematoda</p> Signup and view all the answers

What is the function of parapodia in polychaetes?

<p>Locomotion</p> Signup and view all the answers

What is the function of hirudin secreted by leeches?

<p>Prevents blood coagulation</p> Signup and view all the answers

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