Question | Answer |
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 |