The bacteria and fungi makes the dead things rot they are called ________.

Plants get nutrients from the other plants.

Most living matter ( 95%) is made up of just 6 elements:

Living organisms must have a constant supply of these elements ( carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur) if they are to make _______, _______, and ________.

Carbon is found in carbon dioxide?

Nitrogen is found in nitrates?

Hydrogen is found in _____

Pieces of dead and decaying material is called

Give at least one example of detritivores.

Without detritivores the process of decomposition would take much longer

Decomposers are ______

dead leaves -- fungus -- beetle -- frog

dead animal -- blowfly maggots -- blackbird -- sparrow hawk

All living organisms need CARBON. It is used to make _____, ______, ______ and other important molecules.

All living organisms need CARBON. It is used to make CARBOHYDRATES, PROTEINS, FATS and other important molecules. These molecules make up _________.

The carbon comes from the carbon dioxide in the air.

The carbon comes from the carbon dioxide in the air. plants use it in _______ to make food.

The carbon comes from the carbon dioxide in the air. plants use it in photosynthesis to make food. Animals get carbon by ______

How does carbon dioxide get back into the air?

Plants and animals use some of their food for ______, releasing energy and carbon dioxide.

Fossil fuels like oil, peat, coal, and gas contain _______.

Fossil fuels like oil, peat, coal, and gas contain CARBON. When they are burned _________ is released into the air.

Photosynthesis takes _______ out of the air and provides the input for carbon into food chains.

________ takes carbon dioxide out of the air and provides the input for carbon into food chains.

Photosynthesis takes carbon dioxide out of the air and provides the input for carbon into _______.

Plants and animals need _____ to make Proteins.

Plants and animals need nitrogen to make ______.

The air contains nearly ____ NITROGEN.

Nitrogen cannot be used as a gas by plants and animals. It needs to be changed into ______ before it can be used by PLANTS.

Plants can use the nitrogen in nitrates to make ______.

Animals get their nitrogen from plant protein when they ______ plants.

________ causes nitrogen and oxygen to combine at high temperatures.

Lightning causes __________ to combine at high temperatures.

Lightning causes nitrogen and oxygen to combine at ________.

Plants and animals need nitrogen to make ______.

Some nitrates may be washed out of the soil by rainwater. This is called _______

Nitrogen-fixing bacteria are found in the soil. These can convert nitrogen from the air to ________.

Nitrifying bacteria in the soil can change ammonia into ______.

Ammonia is another chemical that contains _______.

Plants are able to take up the NITRATES with their _______.

Nitrogen - fixing bacteria are also found in the roots of legume plants like ________

Nitrogen - fixing bacteria are also found in the roots of legume plants like peas, beans, and clover. The bacteria make lumps on the roots called ________.

Nitrogen - fixing bacteria are also found in the roots of legume plants like peas, beans, and clover. The bacteria make lumps on the roots called ROOT NODULES. This bacteria changes NITROGEN into _________ that the legume plants can use.

_______ bacteria live in water-logged soil.

Denitrifying bacteria live in water-logged soil. They can change NITRATES back to _____ gas.

Energy transfers from the sun power the _______

Write the steps of water cycle:

What is water cycle?

It gets _____ as the air rises.

Animals breathe out water vapors?

Plants ( especially trees) lose water vapors through _____

Water returns to the sea via ______ and streams and _______ water.