Unit 2 Vocabulary - Matter and Energy in Ecosystems

Abiotic factors are:

• Living components of an ecosystem

• Non-living components of an ecosystem

• Factors related to human activities

• Biotic interactions in an ecosystem

What are atoms?

• Atoms are the smallest unit of matter.

• Atoms are a type of molecule.

• Atoms are a form of energy.

• Atoms are a type of chemical reaction.

What is an autotroph?

• An organism that produces its own food

• An organism that consumes other organisms

• An organism that decomposes organic material

• An organism that lives in water

A biodome is:

• A type of ecosystem

• A type of building

• A type of plant

• A type of animal

Biotic factors are:

• Non-living components of an ecosystem

• Living components of an ecosystem

• Chemical elements in the soil

• Weather conditions

What is carbon?

• A chemical element with symbol C

• A type of metal

• A kind of gas

• A form of liquid

Carbon dioxide is:

• A type of gas

• A type of liquid

• A type of solid

• A type of metal

What is carrying capacity?

• The maximum population size an environment can sustain

• The ability of an organism to carry its offspring

• The speed at which a population grows

• The total number of species in an ecosystem

Cellular respiration is:

• A process that converts glucose into energy

• A method of photosynthesis

• A type of fermentation

• A way to produce oxygen

A chloroplast is:

• A type of animal cell

• A structure in plant cells that conducts photosynthesis

• A component of the human digestive system

• A type of bacteria