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Ecology
a study of how organisms interact with each other and their enviorment. this includes both libing and non-living things
Herbivore
An animal that eats only plants or plant material.
Biodiversity
the variation of plant and animal life in a given habitat, ecosystem, biome, or for the emtire Earth
Tundra biome
Artic grasslands north of the taiga Very few plants and animals exist here.
Abiotic
non-living parts of an ecosystem.
grassland Biome
Wide open fields of grass. Rainfall varies. Found on all continents.
Deforestation
the clearing and removal of trees and undergrowth
extinct
the entire species has died off. it is gone forever
threatened
Species in danger of becoming endangered.
carnivore
an animal that eats other consumers
food web
a diagram of all of the food chains in and ecosystem. there is a lot of overlapping that occurs in the web ("who eats who?")
desert Biome
can be hot or cold, but is always dry. contains few plants & animals
omnivore
Animals that eat both plants and animals.
Amazon rain forest
the largest rain forest in the world, located in South America (1.5 million square miles
Biomes
ecosystems that cover large areas
environment
all living and non living thing in the place which a organism lives
biotic
all of the living things in an environemnt
Understory layer
Just above the floor. Tree trunks, saplings, small ground plants, and vines grow there Bees, snakes, frogs, and leopards live there.
rain forest
forests along the equator that remain hot and hunid all year long.
Deciduous forest Biome
a forest biome with trees that lose their leaves n the fall. rainfall is moderate.
endangered
speceis in danger of becoming extinct
food chain
a pathway that shows the eating of food from the producers (plants) to the next comsumer, to the next consumer, to the next consumer, and so on until the top of the food chain is reached (grass uses photosynthesis to change sunlight into food energy, rabbit eats the grass, fox eats the rabbit, eagle eats the fox)
exponential growth
in a population, growth that starts out slow, and increases faster, and faster, and faster
forest floor
The lowest layer of a rainforest. Decaying fallen trees and fruit put nutrients back into the soil. Tapirs, termites, and scorpions live there.
canopy layer
the "green blanket" of treetops that keeps most of the sunlight from reaching the forest floor. this layer comtains the most animals of any layer. toucans, parrots, sloths, and monkeys live here
species
All the members of a population that have the same general charecteristics and can mate, producing offspring of the same kind. For example redheaded woodpeckers.
population
All the organisms that live together in an ecosystem. Made up of many different species.
habitat
The place or enviorment where a plant or animal naturally or normally lives and grows.
Autotroph
plants that can make food by photosynthesis (using the energy of sunlight to convert water, minerals, ect., into food for animals
consumer
organisms that can't make their own food,so it eats "producers" or other consumers that eat producers.
emergent layer
tall trees (200+feet) that rise above the canopy scattered throughout the rainforest. birds of paradise (flower), eagles, macaws live here
Ecosystem
all the living things in a given area that funtion together
Taiga Biome
Conferous (evergreen) forests have long, cold winters .The trees have needles instead of broad leaves.
organism
a living being; one celled to extremley conplex
producer
plants that are able to make food for themselves by changing energy from the sun (sunlight) into food energy
community
(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other

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