Unit 5 - Dynamics & Classification Study Guide

Front

The animal kingdom is first broken down into _______ and _______.

Back

vertebrates, invertebrates

Front

Which animal group is covered with scales or smooth, leathery skin?

Back

Fish

Front

Which animal group breathes with lungs?

Back

Reptiles

Front

What is a gene? Fill in the blank: A gene is a hereditary unit consisting of a sequence of ______.

Back

DNA

Front

Which animal group is cold-blooded and covered with scales?

Back

Reptiles or Fish

Front

What are vertebrates?

Back

Animals with a backbone, including mammals, birds, reptiles, amphibians, and fish.

Front

What are invertebrates?

Back

Animals without a backbone, such as insects, arachnids, and mollusks.

Front

What is the main characteristic of mammals?

Back

Mammals are warm-blooded and have fur or hair, and most give live birth.

Front

What is the main characteristic of amphibians?

Back

Amphibians can live both in water and on land; they usually have moist skin.

Front

What is the difference between cold-blooded and warm-blooded animals?

Back

Cold-blooded animals' body temperature changes with the environment, while warm-blooded animals maintain a constant body temperature.