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Terms in this set (30)
How does natural selection result in adaptations in a species?
Individuals whose unique characteristics are well-suited for an environment tend to survive and reproduce more offspring.
What is and organisms niche?
The role of an organism in its habitat.
How do adaptations help an organism to reduce competition for food and other resources?
It will help them kill prey, obtain shelter, and other resources.
When the hare population increased, what happened to the lynx population. Why?
The lynx population increased because because they had more food.
How do you think an increase in the lynx population affected the hare population? Why?
The hare population decreased because more hare were getting eaten by the lynx.
What other factors could have caused a decrease in the hare population?
The decrease in food, shelter, and space.
The organism that does the killing in a predation interaction.
The struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time.
Any relationship in which two species live closely together and that benefits at least one of the species.
What organisms are usually the pioneer species in a new area? How do they prepare the area for other species?
Lichen and mosses, they help break the rocks to form soil.
The series of predictable changes that occur in a community over time.
The series of changes that occur in an area where no soil or organisms exist.
The first species to populate an area during succession.
The series of changes that occur in an area where the ecosystem has been disturbed, but where soil and organisms still exist.
a living thing
An environment that provides the things a specific organism needs to live, grow, and reproduce,
A living or once living organism
*Bird, dead deer, mushroom, tree
A nonliving thing
*sun ,rock, water, air
A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
All the members of one species living in the same area.
All the different populations that live together in a particular area.
The community of organisms that live in a particular area, along with their nonliving environment.
Movement of an organism INTO a population.
Movement of an organism OUT of a population.
Number of organisms
Space, Weather, Food, Disease, ect.
Both species benefit
One species benefits and the other is not helped or harmed
One organism lives with,on, or in a host and harms it
An organism that benefits by living,on, or in a host in a parasitism interaction.
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