What is a biosphere?
Parts of Earth that support life.
The sun.
Close relationships between organisms.
Name a major biome.
Aquatic, grassland, forest, desert, tundra.
What are photosynthetic organisms called?
Producers.
What is mutualism?
A relationship that both organisms benefit.
What is a non living factor called?
An abiotic.
What do consumers do?
Organisms that eat other organisms.
What is commensalism?
One organism is helped but the other isn't.
How many ecological levels are there?
What are decomposers?
Organisms that break down remains.
What is parasitism?
One organism benefits but the other is harmed.
What are the two middle levels?
Community and Ecosystem.
What are all the steps of the Food Chain?
First Step: Producers.
Second Step: Herbivores that eat plants.
Third Step: Carnivores and Omnivores.
Give an example of parasitism.
Ex. A mosquito and an animal.