1.
The study of organisms and how they interact with their surrounding environment.
2.
A group of individuals of the same species living the same space.
3.
A group of two or more different species living in the same space at the same time.
4.
All of the living and nonliving organisms interacting with one another in the same space.
5.
The part of the Earth where life exists including the soil, water, and air.
7.
The living organisms in an ecosystem
8.
The non-living organisms in an ecosystem.
9.
factor Any biotic or abiotic factor that restricts the existence of organisms in a specific environment.
10.
The total mass of all living matter in a specific area.
11.
Organisms that can make their own food in an ecosystem
12.
Organisms that cannot make their own food, but instead gain energy from eating other organisms.
13.
An organism that breaks down dead plant or animal matter for food.
14.
An organism that consumes mostly decaying biomass, such as meat or rotting plant matter.
15.
An organism that collects energy from sunlight or inorganic substances to produce food.
16.
An organism that gets its energy requirements by consuming other organisms.
17.
An organism that feeds on other organisms.
18.
An organism that is killed or eaten by another organism.
19.
web A model representing the many interconnected food chains and pathways in which energy flows.
20.
chain A simple model that shows how energy flows through an ecosystem.
21.
Organisms that only consume plant matter.
22.
Organisms that only consume other animals.
23.
Organisms that consume both plants and animals.
24.
Organisms that consume dead and decaying organic matter.
25.
The unique role or job an organism plays within its ecosystem.
