animal phyla

You are walking in a forest and you spot an animal that grows by molting and it has an exoskeleton. What phylum does the animal belong to?

• Mollusca

• Ecdysozoa

• Porifera

• Ctenophora

You are at swimming in the ocean. You are swarmed by organisms that have a gelatinous body with combs made of cilia. It has radial symmetry. You take to the lab to get dissected and learn that has 2 layers of tissue. What phylum does this belong to.

• Cnidaria

• mollusca

• Ctenophora

• Protosomes

You find an organism that requires water, have lungs but respires through skin, and lays its eggs in water. It also has amniotic eggs. what is it?

• Flat worm

• Nematode

• Reptile

• Amphibian

You find a animal that has 3 body segments is and has 3 pairs of legs and 1 pair of antenna. What is it?

• Arthropod

• Insect

• Crustacean

• Chelicerates

What is an organism that is bilateral as a larva, but is radially symmetric as an adult. It also has an endoskeleton made of CaCO3.

• Echinoderm

• Chordate

• Mollusca

• Crustaceon

You find an animal that has a simple fish-like body and it is a suspension feeder that burrows in sand. What is it?

• Chordata

• cephalochordate

• urochordate

• vertebrate

This animal can be solitary or colonial, mobile or sessile, and is a suspension feeder. Additionally it has a polysaccharide tunic. What is it?

• Urochordate

• Mollusk

• Porifera

• Echinoderm

In this phylum the anus forms first and the mouth forms second. Coelem forms from out pockets of mesoderm.

• Ctenophora

• Porifera

• Protosomes

• Deuterostomes

Which of these phyla is NOT apart of the non-bilateral phyla?

• Porifera

• Cnidaria

• Mollusca

• Ctenophora

This protosome group has a lophophore, trocophore, and has spiral cleavage. Which group is it?

• insects

• chelicerate

• Lophotrocozoa

• Echinodermata