Life Science 7

The process that the body uses to maintain a stable internal environment is called ________

• adaptation

• endothermic

• homeostasis

• sweating

Structures and behaviors that allow animals to perform their functions are called _________

• adaptation

• endothermic

• homeostasis

• sweating

These are animals with a backbone.

• vertebrates

• invertebrates

• homeostasis

• adaptation

These are animals without a backbone.

• vertebrates

• invertebrates

• homeostasis

• adaptation

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

• vertebrate

• mollusk

• echinoderm

• invertebrate

The long neck of a giraffe helps it to find food in tall trees. What term best describes a giraffe’s neck?

• appendage

• classification

• homeostasis

• adaptation

Which structure is found in all animals?

• organ system

• head

• cell

• bone

Which of these is an example of an organ?

• bone

• skeleton

• bone cell

• bone tissue

Which of the following is not a group of invertebrates?

• sponges

• mollusks

• fishes

• cnidarians

Sea squirts and lancelets are examples of what kind of animal.

• Arthropods

• Echinoderms

• Chordates

• Mammals