environmental Science CH. 4

all of the organisms living in an area together with their physical environment

the living and once-living parts of an ecosystem, including all of the plants and animals

the nonliving parts of the ecosystem; includes air, water, rocks, sand, light, and temperature

an individual living thing

a group of organisms that can mate to produce fertile offspring

all the members of the same species that live in the same place at the same time

a group of various species that live in the same place and interact with each other

a place an organism lives in

the survival and reproduction of organisms with particular traits

an inherited trait that increases an organism’s chance of survival and reproduction in a certain environment

the selective breeding of organisms by humans for specific characteristics

the ability of one or more organisms to tolerate a particular chemical designed to kill it

often found in extreme places

very common and can be found in soil and animal bodies

an organism whose cells have nuclei and cell walls

a diverse group of one-celled organisms and their many-celled relatives

woody plants that produce seeds, but their seeds are not enclosed in fruits

flowering plants that produce seeds in fruit

animals that lack backbones

animals that have backbones