Introduction to Animals

Because sponges live in one place for their entire life, they are called __________.

• vertebrates

• omnivores

• sessile

• free swimming

Which of these is a cnidarian body type?

• 
  bilateral symmetry

• hollow tube

• medusa

• exoskeleton

Which type of animal has a mantle?

• snail

• beetle

• earthworm

• lizard

Which trait is common to all animals?

• cell walls

• fur or hair

• nerve cells

• tails

What is an essential characteristic of an adaptation?

• It is helpful.

• It is structural.

• It is behavioral.

• It is parasitic

Which description best fits an invertebrate?

• an animal that eats other animals

• an animal that lives on land and water

• an animal that does not have a backbone

• an animal that feeds on others

Which group of invertebrates contains the most animals?

• cnidarians

• arthropods

• echinoderms

• Mollusks

To which group of vertebrate chordates do humans belong?

• reptiles

• mammals

• amphibians

• Birds

During __________ the body form of an organism changes as it grows from an egg to an adult.

• adaptation

• gill

• metamorphosis

• parasite

9. An inherited trait that increases a species' chances of survival is a (n) __________.

• adaptation

• gill

• metamorphosis

• parasite

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4