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Ecosystems

5th Grade Science

TermDefinition
Biome Areas of the world that are classified by their climate, geographic features, and the plants and animals who live there.
Ecosystem A group of living organisms and nonliving things sharing an environment.
Community All the populations of different species living in an area.
Population All of the organisms in a species living in the same area.
Habitat Where the population of organisms lives.
Niche The role of an organism in the community.
Terrestrial Ecosystems Land based ecosystems that include forests and grasslands.
Deciduous Forests A forest with many trees, shrubs, grasses and ferns with a variety of animals including: black bear, deer, red fox, rabbits, and cardinals. Weldon is a deciduous forest ecosystem!
Grassland Areas with fertile soil covered with tall grasses that get less rain than forests, also called prairies. Animals that live in the America Grassland are prairie dogs, bison, and grasshoppers.
Tropical Rain forest A forest in the tropics near the equator that has very warm, humid weather and a large variety of plants and animals. Animals include: panthers, monkeys, capybaras, snakes, and a variety of insects.
Food Chain depicts the feeding sequence in a ecosystem, explaining what eats what (or who!)
Food Web Shows the feeding sequence in an ecosystem, made of many food chains
Predator An animal that eats other animals.
Prey An animal that is food for other animals.
Abiotic The nonliving factors that affect living organisms.
Biotic The living parts of an ecosystem. Plants, animals, fungi and bacteria are all living factors.
Producers Plants in an ecosystem that make their own food through photosynthesis.
Consumers Animals in an ecosystem because they cannot make their own food, so they need to consume (eat) plants and/or animals.
Decomposers Bacteria and fungi that eat dead plants and animals and in the process they break them down and put the matter back into the soil.
Interdependence When one organism is dependent on another organism or nonliving thing for survival.
Biodiversity The variety of life in the world or in a particular habitat or ecosystem
Marine Ecosystem Salt water ecosystems including oceans, estuaries, coral reefs, and salt water mashes.
Freshwater Ecosystem Low salt content ecosystems that include lakes, ponds, springs, rivers, and wetlands.
Energy Pyramid A graphic organizer that shoes that less and less food and energy is available as you move from producers (the base) to the top predator (the top).
Herbivore Primary consumers that only eat producers.
Carnivore Secondary consumers that only eat meat/protein.
Omnivore Tertiary consumers that eat producers and meat/protein.
Scavenger Carnivores that eat prey that is already dead.
Endangered Species a species having no living members
Wildlife Conservation to protect and save the organisms in our natural environment
Invasive Species plants or animals that are not native to an area and spread quickly and damage other plants and animals
Pollution The introduction of chemicals into the natural environment that cause serious negative changes
Created by: msjorgenp
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