Classification of Animals Quiz

How many major groups, called phyla, have biologists classified animals into?

• 12

• 25

• 35

• 50

What tool is used by biologists to classify animals?

• Microscope

• Branching tree

• DNA scanner

• Food chain

Animals are classified based on:

• The type of food they eat

• Their body structure, development, and DNA

• Their environment and size

• Their lifespan and behavior

Tags

NGSS.MS-LS4-2

What percentage of animals are invertebrates?

• 50%

• 67%

• 80%

• 97%

What is symmetry in animals?

• The balanced arrangement of body parts

• How fast an animal moves

• The size of an animal's body

• The ability to breathe underwater

Animals with bilateral symmetry:

• Are all aquatic

• Have many lines of symmetry

• Move quickly and efficiently

• Cannot move

Which of these describes radial symmetry?

• One line divides the body into two equal halves

• Many lines go through a central point

• No symmetry at all

• Symmetry only at the head

What is true about sponges?

• They live only in oceans

• They have tissues and organs

• They reproduce both sexually and asexually

• They are all vertebrates

What is a larva?

• An adult sponge

• An immature form of an animal that looks very different from the adult

• A part of the sponge's skeleton

• A type of invertebrate

What do collar cells in sponges do?

• Help them move

• Trap tiny organisms for food

• Reproduce

• Carry waste away