Gradients of Biodiversity

Question 1

How much of the Earth’s total surface do tropical rainforests account for?

Answer 1

6%

Question 2

How much of the Earth’s species do tropical rainforests account for?

Answer 2

over 50%

Question 3

How many REPTILE species are in the Amazon Rainforest?

Answer 3

~550

Question 4

How many BIRD species are in the Amazon Rainforest?

Answer 4

~1000

Question 5

How many MAMMAL species are in the Amazon Rainforest?

Answer 5

~311

Question 6

How many AMPHIBIAN species are in the Amazon Rainforest?

Answer 6

~370

Question 7

How many FISH species are in the Amazon Rainforest?

Answer 7

~3000

Question 8

Would you find more species in low of high latitudes?

Answer 8

Low latitude

tropical regions

Question 9

What are high latitude regions?

Answer 9

Arctic, Antarctic

Question 10

Why are there more species in low latitudes than high?

Answer 10

• Tropical regions
• More resources
• Less harsh conditions
• More rainfall = plant nutriment = food = energy
• more sunlight

Question 11

How much rainfall is in the desert

Answer 11

<100 mm per year

Question 12

How much rainfall in the rainforest?

Answer 12

~2000mm per year

Question 13

What environmental changes occur as the altitude increases?

Answer 13

Lower temps
Higher rainfall
Cloudier (reduced radiation, common mists)
Windier