In Optimizing Foraging,birds Often Stop Feeding in an Area and Move

question 47

Multiple Choice

In optimizing foraging,birds often stop feeding in an area and move on,even though there are still some seeds left.What is the best explanation for this observation?

• A) They will leave some seeds to create the next generation of plants.
• B) Other areas may have food at a lower density.
• C) They are more likely to find a mate if they move around.
• D) They are safer from predators when moving.
• E) The density of the food becomes low, so it will take too much energy to find.

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Definitions:

Chemical Bonds

The forces of attraction that hold atoms or ions together in molecules and compounds.

Ionic Bonds

A chemical bond formed between two ions with opposite charges through the electrostatic attraction between them.

Covalent Bonds

Chemical bonds formed by the sharing of electron pairs between atoms.