EFMS Pre-Bio Chapter 13 Review

The rate at which organic matter is created by producers is known as

In addition to herbivores, another type of consumer is a (an)

Runoff from heavily fertilized fields can result in

The total mass of living tissue at each trophic level can be shown in a (an)

The process by which organisms keep their internal conditions fairly constant is called

Which of the following is an example of a detritivore?

Nutrients move through an ecosystem in

Which of the following levels of organization correctly goes from smallest to largest?

Which of the following is NOT a type of ecological pyramid?

Which is true about the energy pyramid?

Which group of organisms is always found at the base of a food chain or food web?

Each step in a food chain or food web is called a (an)

Which of the following is NOT a characteristic of all living things?

Groups of different species that live together in a defined area make up a (an)

The series of steps in which a large fish eats a small fish that has eaten algae is a 

The study of interactions among organisms and between organisms and their environment is

All of life on Earth exists in a region known as

In the nitrogen cycle, bacteria that live on the roots of plants

What is one way in which water enters the atmosphere in the water cycle?

When a nutrient is scarce or cycles very slowly, this substance can be a (an)

Which organism is a decomposer?

Autotrophs are organisms that