What other kinds of cues might be reliable indicators for predator presence?

Predator scents, warning cries, and marks are cues that might be reliable indicators for predator presence.

Further Explanation:

The change in a population can be decreased due to the gene flow and due to an increase in the number of predators. Thus, the genetic variation increases due to a decrease and increase in predators and food respectively. To determine the presence of predator is very necessary to safeguard them. There are many cues and signs which indicate the existence of predators. Some of them are:

Animal usually secrete hormone that helps in determining the presence of predator. Also, warning cries of predators indicates the existence of them. Movement of predators can easily sense by the individual. Predators' habitat can also give insight if they still live there or not. Markings on the surroundings can also help in determining the activity and presence.

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Answer Details:

Grade: High School  

Subject: Biology

Topic: Ecology

Keywords:

Predators, presence, cues, activity, sign, marks, scent, animal, cry, warning, hormone, decrease, increase, movement, genetic variation, habitat.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.