The body's muscles.
What is the muscular system?
The amount of time an animal can be expected to live.
What is life span?
What are adaptations?
The bones of a vertebrate.
What is the skeletal system?
Birth, growth, reproduction, and death.
What is life cycle?
When an animal uses its color to blend into its surroundings.
What is camouflage?
Brings oxygen to body cells and removes corbon dioxide.
What is the respiratory system?
A change in body form.
What is metamorphosis?
When an organism imitates another.
What is mimicry?
Brings food, water, and oxygen to the body's cells and removes wastes from cells.
What is the circulatory system?
The making of offspring.
What is reproduciton?
Behavior that is not inborn.
What is learned behavior?
Sponges and cnidarians do not have this.
What is a circulatory system?
The passing of traits from parents to offspring.
What is heredity?
Patterns of behavior like building a nest.
What is an instinct?