Animal Characteristics and Systems Quiz

Which of the following best defines animals?

• Living things that can move from one place to another and need food to live

• Living things that make their own food

• Nonliving things that can move

• Organisms that do not need air

Which of the following is a characteristic of all animals?

• They all have backbones

• They need food, air, and water to live

• They all can fly

• They can produce their own food

Animals that have backbones are called _______.

Animals without backbones are called _______.

Which of the following is a vertebrate?

• Dog

• Butterfly

• Worm

• Spider

Which of the following is an invertebrate?

• Cat

• Frog

• Octopus

• Fish

Fish, birds, and mammals are grouped as vertebrates because they all have _______.

Which of the following groups of animals lays eggs?

• Birds and reptiles

• Mammals and amphibians

• Insects and mammals

• Fish and humans

The main function of the digestive system is to _______.

• Break down food into simpler forms

• Pump blood through the body

• Help the animal breathe

• Protect the body from disease

Animals that eat only plants are called _______.