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all of the organisms living in an area together with their physical enviroment. ecosystem
the living and once living parts of an ecosystem biotic
non living abiotic
individual living things organism
group of organisms that are closely related species
all members of the same species in the same area population
group of various species that all live in the same area community
place where organisms live habitat
things that are biotic plants,animals,dead organisms,waste products
things that are aibiotic air,water,rocks,sand,light,heat
he unequal survival and reproduction that results from the presence or absence of particular traits natural selection
a change in the genetic characteristics of a population from one generation to the next. evolution
an inherited trait that increases an organisms chance of survival and reproduction in a certian enviroment adaption
the selective breeding of organisms by humans for specific characteristics artifical selection
the ability of one or more organisms to tolerate a particular chemical designed to kill it resistance
the process of two species envolving in response to long-term interaction with eachother coevolution
scientists classify organisms into how many kingdoms? six
six kingdoms of organisms arcebacteria,eubacteria,fungi,protists,plants,animals
microsopic,single celled organisms that usually have cell walls and reproduce by dividing in half. bacteria
an organism whose cells have nuclei,cell walls,and no clorophyll fungus
a diverse group of organisms. some are multicelled and some are single celled. protists
evergreen,conifers,woody plants whose seeds are not enclosed in fruits. they bear cones. pine trees gymnosperm
flowering plants that produce seeds and fruits angiosperms
animals that lack backbones invertebrates
animals that have backbone vertebrates
found in harsh envirmonets such as swamps and hot springs archaebacteria
most common; soil,animal intestines,water. eubacteria
breaks down the bodies and body parts of dead organisms fungi
some cause disease fungi
algea,kelp protists
make their own food plants
leaves and roots are connected by vascular tissue, a serious of tubes that carry water and food plants
cannot make their own food,no cell walls. animals
worms,corals,mollusks,insects invertebrates
mammals,birds,reptiles,fish vertebrates