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Science EOG, 5th Grade, Animals and Ecosystems

STUDY
PLAY
Ecosystem
A community that includes all living and nonliving things found in a certain area.
Predator
Animals that each each other.
Prey
Animals that other animals hunt for food.
Consumers
Some organisms must get energy by eating other organisms.
Producers
Are organisms that use the Sun's energy to make their own food (all plants).
Omnivore
Animals that eat both plants and other animals.
Herbivore
Animals that eat only plants.
Carnivore
Animals that eat only meat.
Decomposers
Organisms such as fungi, worms, and bacteria get energy by breaking down nutrients in dead organisms.
Habitat.
Is the physical space used by a population.
Niche
Is the role each animal has. Sometimes different populations occupy the same area and must compete for resources like food, water, and shelter. Usually the weaker population will die and move to a new area.
Population
A group of organisms of the same species living in the same place.
Community
Is made up of all different kinds of populations living in the same area.
Food Web
A diagram of several connected food chains.
Food Chain
Is a series of organisms through which energy is passed.
Adaptations
When animals go through changes that make them fit in better with the environment around them.
Hibernate
Is to go to sleep for the winter and live on stored food.
Migrate
Is to move from one place to another, usually with the change of seasons.
Organisms
Are all living things.
Parasites
An organism that must live on or inside another organism in order to get energy.
Host
An organism that is infected by a parasite.
Behavior
Is the way an organism responds to a change in the environment.
Scavengers
Eat the dead flesh of animals.
Biotic
Include all the living things in an ecosystem (example: Trees, Flowers)
Abiotic
Include all the non-living things in an ecosystem (example: light, temperature, and soil composition).
Limiting Factor
A resource or environmental factor that limits the size of the population.
Forest Ecosystems
Found in areas where the temperature of the air is mild and there is plenty of rainfall.
Temperate Deciduous
Contains trees that lose their leaves each fall. Have animals like bears, rabbits, deer, and snakes. Plants such as ferns and mosses also grow.
Coniferous
Have colder temperatures and contain trees that produce seeds in cones and have leaves shaped like needles (pine trees). Animals include: finches, jays, elk, moose, beavers, and wolves.
Tropical Rainforests
Found in much warmer areas and have plenty of rainfall. Animals include monkeys, reptiles, parrots, and toucans.
Grasslands
Found in warm and temperate area that receives rainfall. They are usually flat or having rollng hills. They are sometimes called prairies, savannahs, plains, and pampas. Animals that live there include: prairie dogs, mice and bison.
Marine Ecosystems: Coral Reefs
Are found in shallow parts of the ocean where it is very warm and sunny.
Marine Ecosystems: Estuaries
Bodies of water found in areas where freshwater from rivers and streams and salt water from the ocean meet. (Shrimp, crabs, clams, reeds, grasses and turtles live here).
Marine Ecosystems: Lakes and Ponds
Freshwater ecosystems, animals include algae, cattails, snails, insects, frogs, and fish.
Deforestation
The clearing of forest lands.
Pollution
An unwanted change in the environment.
Pollutant
A substance that causes pollution.
Carbon Cycle
The cycle in which carbon flows through the environment and living things.
Nitrogen Cycle
Is the cycle in which nitrogen moves through the environment and living things.