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Is adaptation part of natural selection?

Yes, adaptation is a key component of natural selection. Organisms that are better adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to future generations. Over time, this process leads to the evolution of populations with characteristics that enhance their fitness in specific habitats.


What is Adaptationism?

Assumption that each feature of an organism is the result of evolutionary adaptation for a particular function. Not correct, many features are due to structural and phylogenetic factors.


How natural selection result in adaptation in a species?

This may result in an adaptation due to their being either a positive or negative mutation within the species. i.e a fish is born with night-vision on a random occasion; this fish has a better chance of breeding with another and eventually affects the entire species. The fish move to larger bodies of water where they can hunt safely at night rather than in daylight. This can result in an entirely new night vision bred fish, where they will most certainly push other species out of the metaphorical fish pond.


What part of the cell cycle is decreased in cancer cells?

The G1 phase of the cell cycle is often decreased in cancer cells, leading to uncontrolled cell growth and proliferation. This can result in rapid tumor formation and progression.


Is cancer AA result of a failure of cell cycle control system?

Yes, cancer can result from a failure of the cell cycle control system. When the cell cycle control mechanisms that regulate the orderly progression of cell division are disrupted, it can lead to uncontrolled cell growth and division, which are characteristic features of cancer.