Ch. 11/12 Animal Diversity, Structure & Function

How do butterflies and moths get nectar out of flowers?

Muscles are involved in moving blood through the body only in open circulatory systems.

You find an old jawbone of an animal while in the woods. It has wide, flat teeth. What kind of food did the animal eat?

Hydrostatic skeletons are different from other skeletons in that they are soft.

An earthworm has a(n) exoskeleton.

The __________________________ is a sac a bird uses for food storage.

Organs that exchange oxygen and CO₂ in water are called _______________.

Which characteristic does NOT identify an invertebrate?

A(n) ______________________ is the muscular structure that grinds food.

Which animal uses a gizzard?

Animals with nerve nets lack a brain.

Select ALL that are true about ALL mammals.

Which animal displays radial symmetry?

Vertebrates make up the majority of the animal kingdom.

At some point in our lives, each of us had a ___________, which shows that humans are chordates.

Select ALL of the following that are skeletal structures for support.

Which animal uses a closed circulatory system?

Which is the best model of diffusion?

Which characteristic separates the animal kingdom into two categories?

The external covering that supports and protects the bodies of some invertebrates is the _________.

Which animal moves using undulation?

Openings in the abdomen called, ____________ are used for gas exchange in spiders.

What do animals without teeth do to make their gizzards more effective?

Based on the diagrams shown, which of these organisms has an open circulatory system?

Which life-form is NOT a vertebrate?