A(n) organism that needs to eat another organism to survive is called a....

Energy cycles back to the beginning of the food web.

Nutrients cycle back to the start of an food web.

What organism cycles nutrients back to the start of the food web?

Plants are called _ because _ .

Select all options that are abiotic factors:

Select all options that are biotic factors:

What are examples of abiotic limiting factors? Select all that apply.

What are examples of biotic limiting factors? Select all that apply.

Select the incorrect food chain.

What is the correct term for the coyote in this food chain?

grass -> duck -> coyote

What do food webs represent? Select the most correct answer.

How much energy is lost at each level of an energy pyramid?

Which of the following is the correct order of trophic levels?

SELECT ALL THAT APPLY

The hawk in this food web would be considered:

SELECT ALL THAT APPLY

The fox in this food web would be considered:

What is the term for each step in the transfer of energy and matter within a biological community?

An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem.

The nonliving aspects of an ecosystem.

The living aspects of an ecosystem.

As you move up the trophic levels in an energy pyramid, the amount of energy _.

When creating a graph, the independent variable goes on what axis?

When creating a graph, the dependent variable goes on what axis?

Scientific Question: Does a person's height affect how well they will do on their science test?

What is the dependent variable?

Scientific Question: Does a person's height affect how well they will do on their science test?

What is the independent variable?

When do you use a bar graph?

When do you use a line graph?

Ms. Z studies plants. She studies three different species of plants, uses two different fertilizers, and gives them all the same amount of light and water. What type of variable is the fertilizer?

The variable the researchers directly manipulates (changes).

The variable that is measured throughout the experiment.

What is the temperature at 1pm on September 2nd?

When are the average daily temperatures increasing?

Select all qualitative data.

Select all quantitative data.