Intro to animals and simple animals quiz review

Because it has a backbone, how should a giraffe be described?

• vertebrate

• mollusk

• echinoderm

• invertebrate

Which of the following animals has a cnidocyte?

• a sponge

• a flatworm

• a jellyfish

• a rotifer

What is true about all animals?

• they are heterotrophic

• they can be unicellular

• they are omnivores

• they are mobile

What kind of symmetry does a sponge have?

• bilateral

• radial

• asymmetry

• it depends on the species of sponge

What kind of symmetry does a cnidarian have?

• bilateral

• radial

• asymmetry

• it depends on the species of choanocyte

Scientists believe that animals evolved from choanoflagellates, which are a type of ____ that lived in a colony.

• fungi

• protists

• bacteria

• plants

What is the belly side of an animal called?

• Dorsal

• Ventral

• Cranial

• caudal

A amoebocyte is a cell type found in sponges that is involved in:

• transporting materials

• creating a current

• providing support

• stinging their prey

A hard, external, supporting structure in some animals

• cartilage

• segment

• endoskeleton

• exoskeleton

specialized cell that use flagella to move a steady current of water through the sponges are

• spicules

• choanocyte

• amoebocyte

• cnidocytes