Question

Explain the two defense mechanisms evolved in preys to avoid overpopulation of their predator.

Answer 1

Gazelle, deer, small mammals and lizards often rely on their speed and quickness to escape predators, and many birds rely on flight as their primary defensive strategy. Some organisms, like armadillos, tortoises, porcupines and thorny plants, use armor, quills and thorns to defend themselves against predators.

Answer 2

The mechanism Anti-predator adaptations are are developed in preys as a result of  evolution that helps them to avoid overpopulation of their predator.

Explanation:

There are several evolutions regarding defense mechansim in preys such as avoiding detection using some mechanisms such as camouflage, apostatic selection, living underground, or nocturnality; fighting back against predators, with chemicals and using communal defence; and defences by mimicking animals.

Two defense mechanism evolved in preys are as following:

1. Camouflage mechanism: In this mechanism preys uses colortion or illumination effect to avoid detection from predator. This mechanism makes preys hard to get detected by sight. Mostly terrestial and marine animlas uses this mechanism. Camouflage can also developed by preys by resembling to surroundings, self-decoration or changing skin pattern.
2. Chemical Mechanism: Many prey animals and planst also uses chemical defense mechansim by producing poisonous chemicals for self-defence. Many preys and plant secret such defense chemicals near spins or glands and when any predator came near they releases the chemical which keeps predator away.

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