Vocabulary
Food Webs
Vocabulary Pt.2
Population
Misc.
100

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

What is a habitat?

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

A group of land ecosystems with similar climates and organisms.

What is a biome?

100

The number of organisms of the same species that live in a particular geographic area at the same time .

What is population. 

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

Water is an example of this. 

What is an abiotic factor. 

200

A biotic or an abiotic resource in the environment that causes population size to decrease. 

What is a limiting factor. 

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

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 Keystone Species?

300

The maximum number of organisms a population can withstand is called this. 

What is carrying capacity. 

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 is the term for each step in the transfer of energy and matter within a food web.

What is a trophic level. 

400

All the interconnected feeding relationships in an ecosystem make up this. 

What is a food web. 

400

Two types of factors that can cause a decrease in population (ex: natural disasters or disease). 

What is density independent and dependent factors. 

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

The lowest level of environmental complexity that includes living and nonliving factors. 

What is ecosystem. 

500

Three factors that affect population size. 

What is number of deaths, births, and migration. 
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?

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