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7th grade


Ecology study of the relationship between living things and their environments.
Interact process of organisms acting upon one another or on the nonliving parts of their environment.
Population group of the same kind of organisms living in a certain place.
Community all the populations that live in a certain place and can interact with one another.
Ecosystem group of communities interacting with each other and the nonliving parts of their environment.
Habitat place where an organism lives.
Niche organism's role, or job, in its habitat.
Limiting factor condition in the environment that puts limits on the size a population can grow to.
Carrying capacity largest population size that can be supported by the available resources of an area.
Climate average weather of an area over a long period of time.
Biome large region with a characteristic climate and plant and animal communities.
Tundra land biome with permanently frozen ground, found in far north very few plants can survive here (mosses, grasses, shrubs).
Taiga/Boreal Forest land biome with a cold climate, coniferous forests, and animals like moose, squirrels, and rabbits.
Temperate deciduous forest land biome with a moderate climate, long growing seasons and cold winters, and filled with deciduous trees that lose their leaves in the Fall season.
Temperate grasslands land biome with moderate climate, but only grass (not enough rainfall for trees to grow), found on the interior of continents, fertile soil used for farming.
Savannas land biome that is a temperate grassland but close to the equator, has large herds of animals that feed on the grasses.
Tropical Rain Forests the most diverse land biome that is near equator, receives lots of rainfall, and is hot all year, has tall trees, many plants, and many different types of animals.
Deserts Land biome where climate is hot and dry; does not have many plants (mostly cacti) and animals like birds, lizards, and scorpions.
Freshwater Biomes Contains very little salt (less than 1%). Includes lakes and ponds, rivers and streams, wetlands. Provides drinking water for humans and other animals
Marine Biomes oceans, coral reefs and estuaries. Covers more of the Earth’s surface than any other biome
Created by: Mrs. Corey