Definitions
what is acid rain
a type of rain that forms when chemicals from air pollution combined with water vapor in the air
what is conservation
the wise use of natural resources
what is fossil
the preserved remains or traces of once-living thing
what is population
all the members of one species living in one area
what does reduce mean
to use something less
what is adaptation
a body pat or behavior that helps an organism survive in its environment
what is ecosystem
all the living and nonliving things in one area and all interactions
what is habitat
the area in nature that is home to a living thing
what is species
a group composed of all the living thing of the same type
what is a example of reduce
we can reduce the amount of electricty weuse
what is climate
the average weather conditions of an area or region over a period of many years
what is endangered
when a species is at risk of becoming extinct
the role of a living thing in its habitat
what is succession
a gradual change in the kinds of organisms living in an ecosystem
what does reuse mean
to use something again
what is community
all the different populations of organisms living together in one area
what is environment
all the physical things and conditions such as soil,air,climate,plants,and animals, that surround a living thing
what is organism
a living thing such as a plant or animal
what are the three Rs
1.) reduce
2.) reuse
3.) recycle
what is competition
the struggle among living things that share the same resources such as food, water, or shelter
what is extinct
when a species has died out and there are no longer any of its kind alive on earth
what is pollution
the act of putting harmful materials into the air,soil,or water
what do the three Rs do
save resources and reduce pollution