8

Question 1

Species invasions occur in four steps? (4•)

Answer 1

•Introduction
•Establishment
•Ecological integration with negative impact
•Spread

Question 2

The effect of species richness when an invasion occurs depending on current species richness?

Answer 2

With low species richness, the change decreases in S, while with high species richness, the chance increases in S.

Question 3

Macroecology?

Answer 3

Study of broad scale ecological patterns and processes.

Question 4

Larger animals have higher or smaller population densities than smaller animals?

Answer 4

Lower

Question 5

For a given body size, carnivores have larger or smaller population densities than herbivores?

Answer 5

Lower

Question 6

Given body size and trophic levels, does endothermic have higher or lower population densities than ectotherms?

Answer 6

Lower.

Question 7

What does a metabolic scaling show? (2•)

Answer 7

•The bigger you get, the more energy you need •1 g or a larger animal uses less energy than 1 g of a smaller animal.

Question 8

Biomass production rate vs body size?

Answer 8

As body size increases, then biomass production also increase but with a slope less than 1.