Ecology Multiple Choice Test

Some heterotrophs, such as paramecia, engulf algae and consume the food produced by the algae. The algae benefits by using the carbon dioxide produced by the paramecia. What is this relationship an example of?

Some plants provide a habitat for fungi in their roots. In turn, these fungi help the roots absorb inorganic elements from the soil. What is this relationship an example of?

How can the relationship between a butterfly and a flower lead to interdependency?

Research shows that droughts in certain areas of Australia have been much worse since the vegetation in these regions was removed. Based on this research, which conclusion can be made concerning the role of producers in an ecosystem?

According to scientists, which of these factors would be acted upon by natural selection?

The effects of natural selection depend on which of these attributes?

According to evolutionists, which of these is MOST needed in order for some species to overcome the constant changes to our planet?

Which statement explains the connection between deforestation and biodiversity?

Assume that another ice age hit Earth. Which condition would MOST LIKELY ensure the greatest survival of organisms?

A species of mice that was once separated by a river has been reunited, centuries later, due to a newly constructed dam. How will these mice MOST LIKELY respond to being reunited after their prolonged geographic isolation?

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