Lecture 13

Question 1

What observation is made about biodiversity towards the north and south poles?
A) Biodiversity increases significantly.
B) Biodiversity remains constant.
C) Biodiversity decreases.
D) There is no observable pattern.

Answer 1

C) Biodiversity decreases.

Question 2

In the context of the lecture, what is significant about the phylogenetic diversity of whales and sharks in polar regions?
A) It is unexpectedly high due to warm water currents.
B) It suggests a prehistoric event that changed ocean dynamics.
C) It is the same as in tropical regions.
D) It indicates the absence of these species in polar regions.

Answer 2

B) It suggests a prehistoric event that changed ocean dynamics.

Question 3

How do cold temperatures affect ectotherms according to the lecture?
A) They enhance their speed and reactivity.
B) They have no significant effect.
C) They slow down their muscle and eye activity.
D) They cause ectotherms to migrate to warmer regions.

Answer 3

C) They slow down their muscle and eye activity

Question 4

What unique bird species are mentioned as being found in New Zealand?
A) Eagles and ostriches.
B) Kakapo, Kea, Takahe, and Kiwi.
C) Penguins and albatrosses.
D) Sparrows and finches.

Answer 4

B) Kakapo, Kea, Takahe, and Kiwi.

Question 5

According to the lecture, how long would it take for bird population levels to return to pre-human presence levels?
A) 100,000 years.
B) 5 million years in the best-case scenario.
C) 1 million years.
D) 50 million years for all species.

Answer 5

B) 5 million years in the best-case scenario.

Question 6

What is the impact of cold water on ectotherms?
A) Increases their predatory efficiency.
B) Has no impact on their physiology.
C) Makes it more difficult for them to catch prey.
D) Causes them to evolve into endotherms.

Answer 6

C) Makes it more difficult for them to catch prey.