Unit 3 Lesson 4

Question 1

_____ Reproduction is the dominant method of reproduction for animals

Answer 1

Sexual

Question 2

Each parent gives their offspring half of their _____

Answer 2

chromosomes

Question 3

_____ can be internal or external of the animal’s body

Answer 3

Fertilization

Question 4

Most of the animals that reproduce asexually do it because of:

Answer 4

Limited number of mates nearby
Injury
Harsh changes in environment

Question 5

the attempts by animals to attract mates

Answer 5

courtship

Question 6

What is it called when animals are vocalizing, displaying bright colors, dancing, building a nest for their mate, or even competing with other potential mates

Answer 6

courtship

Question 7

when animals built shelter, protect their offspring, feed their young, and teach their young to hunt and protect themselves

Answer 7

parenting behaviors

Question 8

The two main factors that affect animal growth are _____ factors and ______ factors

Answer 8

genetic; environmental

Question 9

the genes that the offspring inherits from their parents can help or hurt the animals growth rate and resistance to certain diseases

Answer 9

Genetic factors

Question 10

The animals that survive and reproduce are more likely to have genes that they can pass on to their offspring to __________

Answer 10

help them survive the same environment

Question 11

these are conditions of an animal’s environment also affect growth and development

Answer 11

Environmental Factors

Question 12

Beneficial environmental conditions include abundant ____, ____, ____, ____, ____, and ____.

Answer 12

food; water; air; space; a safe habitat; shelter from predators

Question 13

Harmful environmental conditions include ____, ____, ____, and ____.

Answer 13

weather, overcrowding, pollution, and habitat destruction.

Question 14

What are some parenting behaviors?

Answer 14

built shelter, protect their offspring, feed their young, and teach their young to hunt and protect themselves