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organisms moving INTO a population
what is Immigration
things that can limit the size of a population. They can be biotic or abiotic. Examples are weather, shelter, space, food, water, predators, etc.
Limiting factors
eat both producers and consumers
what is Omnivores
nutrients travel through: animals, plants, other organisms
what is Biotic systems
organisms moving OUT of a population
what is Emigration
organisms that make their own food (algae, plants, some bacteria)
what is Producers
only eat producers
what is Herbivores
nutrients travel through are air, water, burning fossil fuels, clouds, soil, etc
what is Abiotic systems
the organization of ecosystems
Small to large: organism, population, community, ecosystem
organisms that eat other organisms (animals, some bacteria, fungi)
what is Consumers
only eat other consumers
what is Carnivores
things that have died, animals, plants, bacteria, fungi
biotic factors
a type of consumer that eats things that are already dead (hyenas, vultures, etc)
what is Scavengers
Closed system
sealed terrarium (no matter is exchanged with the outside environment)
soil, water, air, weather, temperature, climate, rocks
what is abiotic factors
a specialized type of consumer that breaks down organisms (fungi, earthworms, some bacteria)
what is Decomposers
Open system
CES pond (matter interacts with the environment)