Key Terms
This is the scientific discipline that studies the relationship between living organisms and their environment.
What is "ecology?"
This is the highest level of organization.
What is the "biosphere?"
When more than one organism relies on a source such as food or water this occurs.
What is "competition."
The portion of the Earth that supports life is called what?
What is the "biosphere?"
This is a group of organisms that can interbreed and produce offspring.
what is a "species."
In addition to a habitat, all organisms also have this.
What is a niche?
All the organisms that live in a river, such as frogs, fish, algae, and microscopic organisms, are examples of what?
What are "biotic factors."
A coral reef is an example of what level of organization?
Many species get their food by eating other species. This is an example of what?
What is "predation?"
This restricts the number, reproduction, or distribution of organisms in an environment.
What are "limiting factors?"
This is a general term for any single living thing.
What is "an organism?"
True or false. In all instances, parasites kill their hosts.
False. They do not always kill, often they only weaken.
The government of Rwanda began a program to protect guerillas in 1967. This is an example of what?
A milestone in ecology OR an example of ecological preservation
List the levels of organization from largest to smallest.
What is biosphere, biome, ecosystem, community, population, and species.
What is the difference between mutualism and commensalism?
In mutualism, both organisms benefit but in commensalism, only one organism is helped and the other is neither helped norm harmed.