Lecture 9

Question 1

What is mutualism and the three types vs symbiosis

Question 2

Equation for the lotka volterra model changed for mutualism instead of interspecific comp

Question 3

What is the problem with this mutualism lotta volterra?

Question 4

What limits the population growth of mutualists?

Question 5

What is invasional meltdown?

Question 6

What is a mesacosm?

Question 7

Explain the research between the spring ephemerals and native vs invasive ant and the two plants —> how does this relate to invasion meltdown

Question 8

Explain the research between the addition and removal of cleaner fish from client fish and their parasite population. how did this effect fish diversity across the reef? What does this say about mutualism?

Question 9

Explain the coevolution/reciprocal adaptation of Darwins orchid and the long mouth part of the insect as drawn by Wallace

Question 10

Explain what the vertical transmission of endosymbionts means in terms of their genome size — use example of aphids and intracellular bacteria (Bunchnera)

Question 11

Are mutualisms often highly specialized? Explain with respect to plant pollinator networks

Question 12

How else can we study microbial density rather than culturing them?

Question 13

Explain ruth leys research: what did she find when she sequenced gut microbiomes in different mammals? What was her aim of the research? What do a mammals gut microbiomes indicate? What did the result indicate?