devoid of life, physical object that some animals may need to live
The natural home of an organism
The natural distribution of organisms across the planet
the amount of a species living in a specific area
the highest possible amount of a species that can exist in one area
two different organisms depending on each other for basic needs.
a gradual change in the characteristics of a population of animals or plants over successive generations.
A system that includes all living organisms (biotic factors) in an area as well as its physical environment (abiotic factors) functioning together as a unit.
A group of closely related organisms that are very similar to each other
relationship between two organisms of unlike species in which one of them acts as predator that captures and feeds on the other organism that serves as the prey
an animal hunted or seized for food, especially by a carnivorous animal
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