AP BIOLOGY

EVOLUTION

EVOLUTION OF A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A population of Madagascar hissing cockroaches lives in a woodpile. It suffers predation from lizards. The lizards are unable to eat the very largest adult cockroaches, and instead prey upon small and medium sized adults. Eventually, the population of cockroaches has more large members overall.
A
Directional
B
Stabilizing
C
Disruptive
Explanation: 

Detailed explanation-1: -Madagascar Hissing Cockroaches are decomposers and an incredibly important part of the ecosystem. They eat decomposing organic matter, break down forest debris and provide food for other animals in the environment.

Detailed explanation-2: -They play an important role in the ecosystem by breaking down forest floor debris to recycle nutrients. They also serve as an important source of protein for many birds and lizards.

Detailed explanation-3: -NICHE: Madagascar Hissing Cockroaches live under bark, in leaf litter, or in tree cavities. DIET: In nature, Madagascar Hissing Cockroaches are scavengers and feed on decaying matter such as fallen fruit and other organic material found in the leaf litter.

Detailed explanation-4: -Natural selection is a simple mechanism that causes populations of living things to change over time. In fact, it is so simple that it can be broken down into five basic steps, abbreviated here as VISTA: Variation, Inheritance, Selection, Time and Adaptation.

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