BIOA02H3 Final: BIOA02 Module 3 - Ecology (Term Test Notes) *NEW*

The Cambrian explosion is a prime example of ________________.

1 points

QUESTION 2

Most animals are viviparous.

True

False

1 points

QUESTION 3

The first phylum with ganglia in their nervous system are the ________________________.

1 points

QUESTION 4

The last common ancestor of all animals was probably a _____________________.

1 points

QUESTION 5

You are given an unknown organism to identify. It is unicellular and heterotrophic. It is motile by use of many short extensions of the cytoplasm. It has well-developed organelles and two nuclei, one large, one small. The organism is most likely to be a ______________.

1 points

QUESTION 6

Which of the following organisms would you expect to have the largest surface-area-to-volume ratio? Assume that all of the following are the same total length.

1 points

QUESTION 7

If the animal is a hermaphrodite, it is said to be _______________.

1 points

QUESTION 8

A terrestrial animal species is discovered with the following larval characteristics: exoskeleton, system of tubes for gas exchange and segmentation. A knowledgeable zoologist should predict that the adults of this species would also feature ____________.

1 points

QUESTION 9

The Phylum Echinodermata exhibits metamerism.

True

False

1 points

QUESTION 10

The existence of evolutionary trends, such as increasing body sizes among horse species, is evidence that _____.

Consider the following articles, and answer the questions below.Mitchell MD, Chivers DP, Brown GE, Ferrari MCO. 2016. Living on theedge: How does environmental risk affect the behavioural andcognitive ecology of prey? Anim Behav. 115: 185-192.

Greig EI and Webster MS. 2014. How do novel signals originate?The evolution of fairy-wren songs from predator to displaycontexts. Anim Behav. 88: 57-65.

Petrů M, Špinka M, Charvátová V, Lhota S. 2009. Revisiting playelements and self handicapping in play: A comparative ethogram offive Old World monkey species. J Comp Psychol. 123(3): 250-263.

Answer these questions :

1. Which of the above studies examined proximate causes ofbehaviour? What evidence do the authors provide to support youranswer?

2. Which of the above studies examined ultimate causes ofbehaviour? What evidence do the authors provide to support youranswer?

3. Which of the above studies examine the evolution of abehaviour? What evidence do the authors provide to support youranswer?

P.S. Please answer atleast 2 questions.

1. Explain the basic phases of the cell cycle and main checkpoints.

2. Understand how cycle time range varies in different cell types with specific examples.

3, Explain START in yeast and the restriction point in animal cells. Do these points of the cell cycle make sense?

4, Why are cyclins so important? Explain cyclins and cyclin-dependent protein kinases.