Ch. 18 Life Science
Terms in this set (30)
Are organisms that use sunlight directly it make food.
Producers use what to make food?
Are herbivores, carnivores, and omnivores that eat other organisms.
A consumer that eats only plants.
A consumer that eats only meat.
A consumer that eats both plants and animals.
Organisms that break down dead organisms to get energy.
List 2 Decomposers
A simple diagram that shows how energy in food flows from one organism to another.
A diagram that shows the feeding relationships between organisms in an ecosystem.
What are the 2 main food webs on earth?
1). Land food web
2). Aquatic food web
The diagram shows an ecosystem's loss of energy at each level of the food chain.
The largest population that an environment can support.
When 2 or more individuals or populations try to use the same resource.
Is an organism that eats other organisms.
Is the organism that is eaten.
A long term association between two or more species.
What are 3 types of symbiosis?
When both organisms benefit.
When one organism benefits and the other is unaffected.
One organism benefits and the other is harmed.
Omnivores that eat dead plants and animals.
A resource so scarce that it limits the size of a population.
The organism that is harmed by a parasite.
In parasitism, the organism that benefits.
A long term change that takes place in two species because of their close interactions.
The study of the interactions of living organisms with one another and with their environments.
All organisms that live and interact with each other.
Non living factors of the environment like water, soil, light, and temperature.
1). Individual organism