8th Reg Sci - Unit 4 Practice Questions

Front

An organism that creates its nutrition from simple, inorganic compounds

Back

Autotroph

Front

The continuous movement of carbon among the abiotic environment and living things

Back

The Carbon Cycle

Front

Any class of organisms occupying the same position in a food chain, such as primary consumers or secondary consumers

Back

Energy Level in a Food Chain

Front

What are reactants?

Back

These are the substances that take part in and undergo change during a reaction. They are the left side of the chemical equation.

Front

What are products?

Back

These are the substances that are produced in a reaction. They are the right side of the chemical equation.

Front

What is cellular respiration?

Back

This is the process of obtaining energy from the breaking of chemical bonds in food or nutrients.

Front

These are animals that eat other animals.

Back

Carnivores

Front

What is photosynthesis?

Back

This is a chemical reaction during which plants convert radiant energy from the Sun to chemical energy. It is a reaction that converts carbon dioxide and water to sugar (glucose) and oxygen.

Front

What are decomposers?

Back

organisms such as bacteria and fungi that break down the remains of dead plants and animals, without need for internal digestion.

Front

This is energy stored in the bonds between particles that make up food, fuel, and other matter, which is released during a chemical reaction such as burning wood, or the reactions that occur in the cells of organisms.

Back

Chemical Energy