Vocab
All living and nonliving things in an environment make up a ___.
ecosystem
animals that are eaten by other animals are called ?
prey
some organisms blend into its environment what is that called?
camouflage
which biome has conifer trees (evergreen Christmas trees) and is located in Canada, Russia and is a forest!
Taiga
where does an organisms lives and hunts
habitat
a characteristic that helps an organism survive is what?
adaptation
what is the path that energy and nutrients follow in an ecosystem
food chain
What is a large ecosystem that has its own kinds of plants, animals and soil?
A biome
The Prairie and Savana are examples of what biome?
Grasslands
what is a type of symbiosis where one organism benefits and the other does not but is not harmed?
commensalism
write a brief description of the nitrogen cycle?
nitrogen in the air is fixed intro nitrates, plants absorb nitrates, animals eat plants and wastes and decomposers turn nitrogen into ammonia.
What is the difference between extinct, endangers and threatened species?
extinct- all species died (mammoths and dodo birds)
endangered- almost all species has died (polar bears)
threatened- species has lower numbers but could bounce back (grey wolves and manatees)
Rain Forests are located where?
Along the equator
what is one type of symbiosis where both organisms benefit from the relationship?
mutualism
Explain the carbon cycle
Photosynthesis occurs- plants top oxygen source, animals breathe in oxygen and breathe out carbon dioxide. Living things get carbon by eating plants and other animals.
Which biome has the ground frozen all year round?
Tundra
What are the steps of the water cycle
Evaporation, condensation, precipitation (which turns to ground water and runoff)
What are the 3 layers of the Rain Forest?
Canopy, Understory, Emergent Layer, Forest Floor