Why do you think ecologists use the term footprint to describe the total resources a population uses

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?