Intro to Animals

Which kingdom includes multicellular heterotrophs that move in the environment?

• Animal

• Fungi

• Eubacteria

• Protists

Which kingdom includes multicellular heterotrophs that absorb their nutrients?

• Animal

• Plant

• Fungi

• Protists

The most primitive animal group include

• starfish

• corals

• jellyfish

• sponges

An animal with bilateral symmetry

• has left and right sides and usually displays cephalization

• has left and right sides

• usually displays cephalization

• produces mirror images regardless of the number of "cuts" through the central axis

The endoderm develops into which of the following?

• muscular system

• skeletal system

• nervous system

• digestive system

The ectoderm develops into which of the following?

• muscular system

• excratory system

• nervous system

• digestive system

The mesoderm develops into which of the following?

• muscular system

• excratory system

• nervous system

• digestive system

Choanoflagellates are similar in structure and function to

• feeding cells in sponges

• the extracellular matrix in corals

• stinging cells in jellyfish

• the nerve net in hydra

An acoelomate animal has

• a partially lined coelom

• a coelom lined with ectoderm

• no coelom

• an unlined body cavity

A pseudocoelomate animal has

• a partially lined coelom

• a coelom lined with ectoderm

• no coelom

• an unlined body cavity