Water trickles down the blade of grass. What is the abiotic factor?

(a)  

What are the abbreviations for water, oxygen, and carbon dioxide respectively? (write them in the same order as the question)

(a)  

Any form of water that leaves clouds and falls to earth is known as...

(a)  

Liquid water that turns into a gas is called...

(a)  

When water vapor cools and becomes a liquid, that is known as ...

(a)  

What is the name of the process that can change nitrogen gas into nitrogen we can use?

(a)  

Name one organism that can change nitrogen gas into nitrogen gas we can use.

(a)  

What does every food chain/web start with?

(a)  

What type of consumer is a primary consumer?

(a)  

What is the second step of the scientific method?

(a)  

Name one legume that helps bacteria perform nitrogen fixation.

(a)  

Autotrophs are also known as...

(a)  

Heterotrophs are also known as...

(a)  

Detritivores are also known as (a)  

The energy pyramid is a diagram that shows the amount of energy that moves from one feeding level to the next in a food web. The energy is measured in...

(a)  

The three main steps of the water cycler are ...

(a)  

Write TRUE or FALSE to the following statement: Respiration and breathing are the same thing.

(a)  

____ ____ levels can rise when humans clear forests for lumber, fuel, and farmland.

(a)  

Increasing levels of carbon dioxide are a major factor in ___ ___.

(a)  

Producers take in carbon dioxide during (a)   .

The air around you is about 78% (a)   gas.

Most organisms can use nitrogen on after it has been “ (a)   ” or combined with other elements to form nitrogen-containing compounds.

The process of changing free nitrogen into a usable form of nitrogen, is called nitrogen (a)   .

Clover, beans, peas, alfalfa, peanuts belong to this plant family called (a)   .