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33 Cards in this Set

  • Front
  • Back
acid rain
rain that contains unhealthy amounts of acid
adaptation
a structure or behavior that helps and organism survive in its habitat
biome
a very large area of land with a certain kind of climate and certain kinds or organisms living it it
competition
the struggle of organisms against each other to get the same resource
compost
a mixture of soil and decayed material that provides nutrients for plants
coniferous forest
a forest biome with trees that keep their needlelike leaves for at least a few years
conservation
the wise use and protection of natural resources
consumer
an organism that gets energy by eating other organisms
deciduous forest
a forest biome with many kinds of trees that lose their leaves each autumn
decomposer
an organism that gets energy by feeding on dead materials and wastes
desert
a biome that has very little rain and few plants
ecosystem
all the living and nonliving things that interact with each other in an environment
environment
the surroundings that an organism lives in
endangered species
a species that could become extinct very soon if it is not helped by people
extinction
the dying out of a species
fertile
describes soil that can support plant life
food chain
the path of food energy from one organism to another in an ecosystem
food web
the overlapping of food chains with different pathways for the flow of food energy in an ecosystem
global warming
a rise in the earth's average worldwide temperature
grasslands
a biome where grasses, not trees, are the main plant life.
habitat
the environment where an organism lives
herbivore
an animal that eats only plant products
humus
decaying plant and animal materials in the soil
omnivore
an animal that eats both plants and animals
population
all the organisms of the same species that live in the same place at the same time
predator
an animal that hunts, catches, and eats other animals
prey
an animal that is hunted caught, and eaten by another animal
producer
an organism that makes its own food
savanna
a kind of grassland
species
a group of organisms of the same kind that can mate and produce offspring like themselves
threatened species
a species that could become endangered if its numbers contine to decline
tundra
a biome with cold temperatures and not much rain
climate graph
a line that shows the temperature and bar graph that show the precipitation of one place over a long time