Lecture 11

Question 1

What are the tropic levels on a food pyramid?

Question 2

What is a food chain vs a food web

Question 3

Explain indirect effects

Question 4

Explain trophic cascades

Question 5

Explain the green world hypothesis and why it works

Question 6

What are top down vs bottom up controls?

Question 7

Explain the removal of a species from a tropic cascade and its effect using the example of Anolis lizards.

Question 8

Explain indirect effects on tropic cascades across ecosystems using the example of fish and larval dragonflies

Question 9

Why are there so many beetles, insects, and plants (arms race plants and insect herbivores)?
a. Explain this plant-herbivore interaction as an arms race and how it leads to biodiversity
b. Explain why vertebrate herbivores don’t follow the same diversification process as insect herbivores

Question 10

Explain generalists and specialists with respect to monarchs and milkweed