Vocabulary
Food Webs
Energy Transfer
Potpourri
Misc.
100

The process that bacteria do to make nitrogen available to plants

What is nitrogen fixation?

100

These organisms produce energy through the use of photosynthesis.

What are Plants?

100

All of the living factors in and environment

Biotic

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

All of the non-living factors in an environment.

What is abiotic?

200
These organisms are herbivores, therefore they are called ______________ consumers.
What is primary?
200

how most autotrophs produce sugar and oxygen

photosynthesis

200

What is trophic level.

Feeding or energy level 

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

All of the non-living factors in an environment

abiotic

300

How much energy is passed from 1 trophic level to the next

10%

300

Another term for heterotroph .

What is a consumer?

400

An organism that breaks down wastes 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

Organisms that eat both plant and animal material

omnivore

400

The role an organism has in it's habitat. Where and how it lives

niche

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

In a food chain or web, which way should the arrows point

from where the energy is coming from toward where it is going to

500

Why do organisms need nitrogen?

to make DNA, RNA and proteins

500

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

What is a species?

M
e
n
u