Global population fluctuations

Question 1

How does seasonality affect a population?

Answer 1

changing behavior and moving to a cooler area, modifying their physical bodies to better deal with the heat, or altering the timing of certain activities to match changes in the seasons.

Question 2

Migration

Answer 2

The movement of species across regions will cause populations to decline.

Question 3

Why do animals migrate?

Answer 3

To find food or a suitable place to breed and raise their young.

Question 4

Emerging diseases

Answer 4

Species may not have immunity to new diseases therefore they will die. Causes population decline

Question 5

Climate change

Answer 5

The long-term shifts in temperatures and weather patterns may cause animals to migrate earlier, food/ shelter will become more scare.

Question 6

Habitat destruction

Answer 6

Less habitats mean less species survive causing a population decline

Question 7

Influence of man

Answer 7

Deforestation, global warming, over harvesting