Revision Quiz Material L3.4

The way an organism reacts to changes in its internal conditions or external environment.

• behavior

• pheromone

• mating system

• migration

A response to a stimulus that is inborn.

• instinct

• migration

• cooperation

• mating system

A chemical released by one animal that affects the behavior of another animal of the same species.

• pheromone

• external fertilization

• instinct

• migration

Behavior patterns related to how animals mate.

• mating system

• parental investment

• migration

• internal fertilization

The regular, seasonal journey of an animal from one place to another and back again.

• migration

• external fertilization

• mating system

• courtship

After breaking out of their shells, sea turtle hatchlings immediately head toward the ocean as quickly as possible. What kind of behavior are the hatchlings exhibiting?

• instinct

• migration

• external fertilization

• competition

Animals communicate for various reasons, but one main reason is for reproduction. Which of the following is NOT a way animals communicate with other members of their species with the goal of reproduction?

• excretion of pheromones

• displaying bright colors

• performing a mating call

• aggressively protecting a territory

The image shows an example of ___, where the eggs that get fertilized will ___.

• external fertilization ; develop outside the female's body

• external fertilization ; develop inside the female's body

• internal fertilization ; develop outside the female's body

• internal fertilization ; develop inside the female's body

A group of musk oxen protects their young by forming a circle around them. The adult oxen stand with their heads outward to face an enemy. The young remain protected within the circle.

This is an example of ___.

• cooperation

• migration

• instinct

• communication

Male bighorn sheep will engage in fighting for the attention and access to a mate for reproduction. This is an example of which mating behavior?

• competition

• courtship

• cooperation

• communication