Topic 5 Ecosystems

the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

animal that eats plants only

occurs in a place where an ecosystem and community already existed.

an organism that produces their own food

Why were the Everglades drained in the early 1900's?

Which one of these is NOT a factor that would limit population growth

a series of organisms each dependent on the next as a source of food

Which one of these is an example of an organism

What has the government done to help restore the natural flow of the Everlgades?

resource or condition which limits the growth of an organism or population in an ecosystem

Which of these is an example of primary sucession?

Animal that eats both plants and animals

symbiosis where both organisms benefit

Which of the following is an example of an abiotic factor in an ecosystem

Which of the following is a biotic factor in an ecosystem

biological community of interacting organisms and their physical environment

occurs naturally between living organisms that coexist in the same environment and need to compete for resources

Which one of these is an example of a habitat?

How does energy enter most ecosystems?

association between two organisms in which one benefits and the other is not affected

an individual animal, plant, or single celled life form

order of colonization of species in an ecosystem from a barren or destroyed area of land

a system of interlocking and interdependent food chains

the total number of the same organisms occupying a given area

animal that eats meat only

Which of these is an example of a population?

the natural home or environment of an animal, plant, or organism

interaction between two different organisms living in close physical association

nonliving components of an ecosystem

organism that that decomposes organic material

Which of these is an example of a community?

symbiosis where one organism is harmed and one benefits

living components of an ecosystem

animal that feeds on carrion, dead plant material, or refuse

group of people living in the same place or having a particular characteristic in common

an organisms role in an ecosystem

organism that eats something else for energy

species which are the first to colonize barren environments that have been disrupted (such as by fire)

a graphical representation showing the flow of energy at each trophic level in an ecosystem