Refer to the Table

question 36

Multiple Choice

Refer to the table.
Suppose you are studying the optimal group size in a species. You collect the following data on the costs and benefits for each individual in groups of different sizes.
-Based on the data in the table, what is the optimal group size?

• A) Group size of 1 (individual alone)
• B) Group size of 3
• C) Group size of 5
• D) Group size of 8

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Definitions:

Erosion

The process by which natural forces such as water, wind, ice, and gravity wear away soil, rock, or land.

Origination Rate

The speed at which new species or genetic variations appear within a given lineage or ecosystem over time.

Extinction Rate

The rate at which species or other taxa disappear from Earth, an important factor in studying biodiversity and the effects of human activities and natural events on ecosystems.

Cichlid Species

A diverse group of freshwater fish known for their varied colors, shapes, and behaviors, native primarily to Africa and South America.