Adaptations and Environmental Changes

Question 1

What is the definition of adaptations?

Answer 1

characteristics which every organism has to enable its survival in its habitat.

Question 2

what is the definition of physical adaptations?

Answer 2

body structures that allow an animal to find and consume food, defend itself and to reproduce

Question 3

what are some examples of physical adaptations?

Answer 3

camouflage, mimicry (mimicking noises and looks), defense (venom, ink, poison)

Question 4

what is the definition of behavioral adaptations?

Answer 4

allows animals to respond to lifes needs. There are two types instinctive and learned.

Question 5

what is the definition and some examples of instinctive adaptations?

Answer 5

happens naturally doesn’t need learning (e.g. hibernation, migration, caring fro young, finding shelter, defense)

Question 6

what is the definition and some examples of learned adaptations?

Answer 6

behavior that must be taught (e.g. obtained by interacting with its environment)

Question 7

what is the definition of functional (physiological) adaptations?

Answer 7

the way an organism works which is controlled automatically (unconsciously)

Question 8

what are some examples of functional adaptations?

Answer 8

dilation of blood vessels when hot, goose bumps when cold, shivering

Question 9

What is the definition of birth rate?

Answer 9

number of individuals born per 1000 of the population

Question 10

what is an example of how environment changes birth rate?

Answer 10

the more food there is the more energy adults have for breeding and surviving so when food sources are high birth rate goes up.

Question 11

what is the definition of death rate?

Answer 11

number of individuals who die per 1000 of the population

Question 12

what is an example of how environment changes death rate?

Answer 12

low temperatures can increase death rate whereas more food can decrease it.

Question 13

what is the definition of immigration?

Answer 13

number of individuals moving into and area per 1000 of the population in the area.

Question 14

what is an example of how environment changes immigration?

Answer 14

the more resources like food/water an area has the more animals will move to it

Question 15

what is the definition of emigration

Answer 15

number of individuals moving out of an area per 1000 of the population in the area.

Question 16

what is an example of how environment changes emigration?

Answer 16

animals usually move out an area that does not have enough resources.