STRUGGLE FOR EXISTENCE PART 4

Question 1

The environmental condition most important to organisms is

Answer 1

temperature

- a gradient along with the earth; hot near the equator and cool near the poles

Question 2

What effect does the spherical shape of the earth have on the earth?

Answer 2

the spherical shape means that the sun’s rays strike the earth at different angles at different latitudes

Question 3

The angle of incidence of the sun’s rays decreases from 90 degrees to 0 degrees from the equator toward the poles and

Answer 3

thus as you move away from the equator what you have is a lower photon density per area ratio