Test for Module 3 Flashcards
A limiting factor that depends on population size is called
density-dependent limiting factor
Includes the lakes, rivers, ponds, and streams of the earth.
freshwater
A series of steps in which organisms transfer energy by eating and being eaten
food chain
Includes oceans, reefs, and estuaries
marine
Ann organism that eats secondary consumers
tertiary consumer
When released in large quantities into the atmosphere, what gas do some scientists believe may be responsible for the greenhouse effect?
carbon dioxide
An organism that eats tertiary consumers
quaternary consumer
This area has permanently frozen soil that does not allow for the growth of large plants.
tundra
An interaction in which one organism benefits from the relationship and the other organism is harmed.
parasitism
Which organisms are responsible for removing carbon (in the form of carbon dioxide) from the atmosphere?
plants, algae, and photosynthetic bacteria
This area is usually dominated with tree species that shed their leaves in winter months.
temperate deciduous forest
This area receives very little rainfall, and usually experience very hot days and cold nights
desert
What is the process of removing carbon from the atmosphere called?
photosynthesis
An interaction in which one organism benefits from the relationship and the other organism is unaffected.
commensalism
An organism that eats producers
primary consumer
An interaction in which both organisms benefit from the relationship
mutualism
A type of grassland biome that experiences rainy seasons and long periods of drought.
savanna
This area is dominated by conifer trees and short summers
tiagas
This biome is usually located near the equator. Characteristics include high rainfall amounts, dense vegetation, and poor soil quality.
tropical rainforest
The number of individuals of a single species per unit is known as
population density
An interaction in which one organism kills and eats the other organism.
predation
What other way can carbon dioxide be removed from the air?
dissolved in the ocean
In the process of ecological succession, the first organisms are called ___ and the final community that exists in the ecosystem is called ___.
pioneer organisms; climax community
Ann organism that eats primary consumers
secondary consumer
Organisms that produce their own food
producers
