T12. Robins typically lay fours eggs. If more then four eggs are produced then the baby chicks are malnourished while smaller egg numbers result in no viable (able to live) baby chicks. This is an example of

PATTERNS OF EVOLUTION

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	stabalizing
B	disruptive
C	direction
D	none of the above

Explanation:

Detailed explanation-1: -Robin eggs In this case, the number of eggs in a robin nest has been selected for through a stabilizing selection. Robins are apparently not ably to raise more than 4 chicks with much success. This is probably because of the size of the birds and the amount of food that two adults can provide.

Detailed explanation-2: -Why does the ability to lay 1, 000 to 5, 000 eggs increase the fitness of the species L. clamitans clamitans? A. It increases the probability that some offspring will survive long enough to reproduce.

Detailed explanation-3: -In a finch population, if finches having large beaks and finches having small beaks increase in numbers while finches with average beaks decreases is directional selection.

Detailed explanation-4: -Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.

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