Question

In: Biology

1. How did the chicken experiment illustrate the evolution of cooperation? a. Because whole productive groups...

1. How did the chicken experiment illustrate the evolution of cooperation?

a. Because whole productive groups were selected instead of individuals, aggressive traits were selected against.

b. The chicken experiment does not illustrate the evolution of cooperation.

c. The hens were trained to live harmoniously by their handlers.

d. The most productive individuals were placed in a group together which created a population of super productive chickens.

2.Traits that were once adaptive can also be maladaptive depending on the context of the environment.

a. True

b. False

3. Adaptations can be the epitome of shortsighted selfishness, even harming everyone over the long run.

a. True

b. False

4. Which two species were offshoots of the Archaic Homo heidelbergensis?

a. Australopithecus afarensis and Paranthropus boisei

b. Homo sapiens and Homo ergaster

c. Homo sapiens and Homo neanderthalensis

d. None of the above.

5. Homo (sapiens) sapiens lived at the same time as Homo (sapiens) neanderthalensis.

a. True

b. False

Solutions

Expert Solution

Ans1)a)Because whole productive groups were selected instead of individuals, aggressive traits were selected against.

Explaination:Selection against aggressive traits in whole productive groups of chicken helps chicken to enable them co exist harmoniously and cooperative in nature.

While super chicken experiment prove that the superchicken show competition effect instead of cooperation.

Ans2)a)true

Explaination: The given statement is true because traits that are adapted in one environment may become more harmful than useful with the change in environment so at that time these adaptations become maladaptations.

Ans3)a)True

Explaination :Adaptations can be the epitome of shortsighted selfishness, even harming everyone over the long run because sometimes these adaptation cause mote harm after a long period of time than their usefulness.

Ans4)c) Homo sapiens and Homo neanderthalensis

Explaination:Archaic Homo heidelbergensis diverged in two Population of separate species - 1)Homo neanderthalensis, 2) Homo sapiens.

Ans5)a)True

Explaination: Both Homo sapien and Homo neanderthalensis species have been evolved or diverged from common ancestor that is  Homo heidelbergenesis so they both exist at same time .


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