8. Describe three different conditions which would increase the probability of a

Question

8. Describe three different conditions which would increase the probability of an individual behaving in an altruistic manner towards another individual, and explain why this condition would contribute to altruistic behavior. 10pts) 9. Invasive species are a significant threat to biodiversity. Explain at least four reasons why stable communities are harder to invade than unstable communities. (10pts) 10.A study of a population of Species A from birth to death shows that the number of individuals alive is 100 at age class 0, 25 at age class 1, 10 at age class 2, 5 at age class 3, and none at age class 4. (10 Rts) a. What type of survivorship does this species exhibit? b. Would you expect this species to invest in parental care? Why or why not? c. |If this species produces 50 offspring in age class 0, 25 offspring in age class 1, 5 in age class 2, and none in age class 3 or 4, and assuming the population began with these 100 individuals, what would be the size of the population after 5 years?. 11. Explain why mass extinctions occur using an example from the past, and explain why is there concern that we are facing a sixth mass extinction in the not too distant future. 10Rts)

Explanation / Answer

8. Three conditions are:

1. Gene for altruism is passed from one generation to another, as proposed by (Matthews, Batson, Horn, & Rosenman, 1981). Alturism is advantage for both the organism and According to Matthews, Batson, Horn, & Rosenman Alturism specific behaviour is benefit for the organism and hence the organism having those altruism gene is more likely to survive.

2. Influence of an individual mood’s on other: It is well known fact that individual mood play an important role in the behaviour of an organism. Hence, if the organism mood is positive, it will show altruism behaviour.

3. Personality traits: Alturism is an important factor in an organism personality trait. So, it is passed from one generation to another as a Personality traits.

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