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Biology
Ecology
30
Biology
9th Grade
09/11/2020

Additional Biology Flashcards

 


 

Cards

Term

 

 

 

abiotic factor

Definition

 

 

 

the non-living things in

an organisms environment

Term

 

 

 

biological community

Definition

 

a group of interacting populations

 

that occupy the same geographic

 

area at the same time

Term

 

 

 

biomass

Definition

 

 

the total mass of living matter

 

at each trophic level

Term

 

 

 

biome

Definition

 

a large group of ecosystems that share

 

the same climate and have similar

 

types of communities

Term

 

 

 

biosphere

Definition

 

 

 

the portion of the earth

that supports life

Term

 

 

 

biotic factor

Definition

 

 

 

 

the living factors in

an organisms environment

Term

 

 

 

ecology

Definition

 

 

scientific study of all the interrelationships between organisms and the environment.

Term

 

 

 

ecosystem community

Definition

 

 

a biological community and all the

 

abiotic factors that affect it.

Term

 

 

 

habitat

Definition

 

 

area where organisms live

Term

 

 

 

herbivore

Definition

 

 

a heterotroph that only eats plants

Term

 

 

 

heterotroph

Definition

 

 

an organism that gets its energy by

 

consuming other organisms

Term

 

 

 

matter

Definition

 

 

anything that has mass

 

and takes up space

Term

 

 

 

niche

Definition

 

 

the role or position that an organism

 

has in its environment

Term

 

 

 

nutrient

Definition

 

a chemical substance that an organism

 

must obtain from its environment to

 

sustain life and under go life processes

Term

 

 

 

population

Definition

 

individual organisms of a single species

 

that share the same geographic

 

location at the same time

Term

 

 

autotroph

Definition

 

 

an organism that gets its energy

 

requirement by consuming other

 

organisms

Term

 

 

biogeochemical cycle

(bio geo chemical)

 

 

Definition

 

 

the exchange of matter

 

through the biosphere

Term

 

 

carnivore

Definition

 

 

heterotrophs that prey

 

on other heterotrophs

Term

 

 

commensalism

Definition

 

a relationship which one organism

 

benefits and the other organism is

 

neither helped nor harmed

Term

 

 

denitrification

Definition

 

organisms in the soil convert

 

ammonia into nitrogen compounds

 

that can be used by plants

Term

 

 

detritivores

Definition

 

an animal which feeds on dead

 

organic material, returning nutrients

 

to the soil, air, and water.

Term

 

 

food chain

Definition

 

 

a simple model that shows how energy

 

flows through an ecosystem

Term

 

 

food web

Definition

a model representing the many 

 

interconnected food chains and

 

pathways in which energy flows

 

through a group of organisms

Term

 

 

mutualism

Definition

 

the relationship between two or more

 

organisms that live closely together and

 

benefit from each other

Term

 

 

nitrogen fixation

Definition

 

the process of capture and conversion

 

of nitrogen into a form

 

that is usable by plants.

Term

 

 

omnivore

Definition

 

 

organisms that eat both

 

plants and animals

Term

 

 

parasitism

Definition

 

a symbiotic relationship in which one

 

organism benefits at the expense of the

 

other organism

Term

 

 

predation 

Definition

 

 

the act of one organism pursuing and

 

consuming another organism for food.

Term

 

 

symbiosis

Definition

 

the close relationship that exists when

 

two or more species live closely and

 

benefit each other

Term

 

 

trophic level

Definition

 

 

 

each step in a food chain or food web

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