
Introduction:
Natural selection is the process in which organism can adapt to smallest changes in the environment and are able to produce progeny. Natural selection results in co-evolution.

Answer to Problem 1FIB
Correct answer:
Organisms that interact serve as agents of natural selection on one another. This results in co evolution, which is the process by which species evolve adaptations to one another. Four types of community interaction described in this chapter are predation, competition,
Explanation of Solution
The process of evolution in which organisms that are most adapted to their environment will mate each other to pass on their genes to next generation is the process of natural selection. For the survival organism use community interaction and these are of four type predation, competition, parasitism and mutualism. Some interaction is beneficial for the host and interacting species and some interactions are harmful for the host.
Organism that is best fitted to any environmental change and is able to produce progeny comes under natural selection which results in co evolution.
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Chapter 27 Solutions
Biology
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