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Vocabulary
Food Webs
Biogeochemical Cycles
Biodiversity
Misc.
100

An environment that provides the things an organism needs to live, grow, and reproduce.

What is a habitat?

100
These organisms produce energy through the use of photosynthese.
What are Plants?
100

What is the overall shape of energy movement through an environment?

What is one direction?

100
The definition of biodiversity is _____________________.
What is the variety of different organisms living in a certain area?
100
The organism that a parasite lives in or on in a parasitism interaction.
What is a host?
200
The community of organisms that live in a particular area, along with their nonliving surroundings. This includes abiotic and biotic factors.
What is an ecosystem?
200
These organisms are herbivores, therefore they are called ______________ consumers.
What is primary?
200

These are the two main processes where CO2 appears in the carbon cycle.

What are respiration and photosynthesis?

200

The term given to a species that plays a very important role in an ecosystem. The ecosystem would fall apart quickly if this species disappeared.

What is a keystone species?

200
An organism that is killed and eaten by another organism.
What is prey?
300
A relationship between two species in which one species benefits and the other is neither helped nor harmed.
What is commensalism?
300
These organisms are typically at the top of the food chain. They are called ____________ consumers.
What is tertiary?
300

These are the two biogeochemical cycles that are the most intertwined.

What are the water and oxygen cycles?

300
The two reasons biodiversity is important.
What are for economic reasons, medical reasons, scientific reasons, enviromental reasons?
300
A carnivore that feeds on the bodies of dead organisms.
What is a scavenger?
400

An organism that breaks down waste and dead organisms.

What is a decomposer?

400
This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.
What is an energy pyramid?
400

This is the process where bacteria convert N2 into ammonia that plants can use.

What is nitrogen fixation?

400
These animals have not changed for thousands of years.
What are living fossils?
400
An interaction in which one organism kills another for food.
What is predation?
500
A series of events in which one organism eats another and obtains energy. Usually written on one line.
What is a food chain?
500
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
What is 90%?
500

List the 4 major cycles concerning matter in the environment.

What are the Nitrogen, Oxygen, Carbon, and Water cycles?

500

This is the typical limit to the number of tiers of an energy pyramid in an ecosystem.

What is 5 or 6?

500

A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce.

What is a species?