Science symbiosis and limiting factors
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23 Terms
Predator
an animal eats another animal for energy and nutrients.
Prey
An animal that is eaten by a predator
Why do predators eat animals
To gain energy and nutrients
Camouflage
Helps predator or prey to blend in with its environment
How are the populations between predator and prey related
Predators rely on prey for food, so the sizes of predator and prey populations are linked together if one population grows or shrinks, the other one is affected
Symbiosis
A close, long-term relationship between different species in a community
Mutualism
A symbiotic relationship in which both organisms benefit
Commensalism
A symbiotic relationship in which one organism benefits, while the other is unaffected
Parasitism
A symbiotic relationship in which one organism benefits, and another is harmed
Parasite
The organism that benefits
Host
The organism that is harmed
In the natural work, competition means..
Competing for resources
five resources organisms compete for:
Food, water, sunlight, shelter and mates
Ecology
Is the study of how organisms interact with one another and with the environment
Biotic factor
A living part of the environment
Abiotic factor
A nonliving part of an environment
Six abiotic factor:
Water, nutrients, soil, sunlight, rainfall, or temperature
How are ecosystems different from communities
In an ecosystem, energy and other resources are exchanged between organisms and the environment. A community is made up above all the species that live and interact in an area. The species depends on each other for many things like shelter and food.
Habitat
The place where an organism usually lives
Limiting factor
An environmental factor that keeps a population from reaching its full potential size
9 limiting factors:
Food supply, water, shelter, living space, light, nutrients, predators, parasites and diseases
Native species
Our species that naturally live in an ecosystem
Nonnative species or introduced species
species that have been brought to an ecosystem by humans