L10 - Living in Groups

Question 1

Which bat feeds on fall armyworm moths?

Answer 1

Mexican free tailed bats

Question 2

Where are bigger Mexican free tailed bats being found?

Answer 2

Under bridges rather than in cave

Question 3

When is copying other animals in group most beneficial?

Answer 3

When temporal variability is low and spatial variability is high (in resources)

Question 4

What effect does living in groups have on predation?

Answer 4

Can increase or decrease the rate of predation

Question 5

What is the selfish herd theory?

Answer 5

The selfish herd theory states that individuals within a population attempt to reduce their predation risk by putting others between themselves and predators

Question 6

How does predator satiation aid living in groups?

Answer 6

Living in a group means the chances of the predator needing to eat a specific animal (to be full) is lower

Question 7

What are 4 ways being in a group can help avoid predation?

Answer 7

Predator confusion
Reduced vigilance
Predator satiation
Selfish Herd theory

Question 8

What is a different less beneficial explanation for reduced vigilance in a group?

Answer 8

The animals have to spend more time foraging as more competition from group

Question 9

Usually, are predators more successful hunting an individual or a group?

Answer 9

Individual