The living organisms and their interactions with the physical environment
What is an ecosystem?
100
These diagrams best show the feeding relationships in an ecosystem.
What is a food web?
100
The availability of oxygen, resources, living space, and pollution can affect this.
What is the population size?
100
Converts the sun's energy into energy stored as food.
What is a producer?
100
Three things organisms compete over
What are mates, food, space, water, etc...
200
Fungi and bacteria make of this group in a food web. They break down dead and waste matter.
What are decomposers?
200
Provides the original source of energy.
What is the sun?
200
The main reason why some introduced species survive and overpopulate an area is because of this.
What is no natural predator(s)?
200
A new species of fish is added to a lake. This organism eats algae. It is a ______.
What is a consumer?
200
An organism that is brought into a place where it is not naturally found
What is an introduced species?
300
The greatest number of a species a certain habitat can hold.
What is its carrying capacity?
300
The arrows in a food chain or food web represent this.
What is the flow of energy?
300
Occurs when two or more different species need the same resource.
What is competition?
300
A group of the same type of species in a certain area is known as this.
What is a population?
300
Name 3 consequences or benefits for removing an invasive species from an area.
Various answers include: less competition for native species, may be difficult to remove on its own without influencing other species as well, etc.
400
This process that occurs in plants cannot happen without the sun.
What is photosynthesis?
400
Phytoplankton are producers in a marine food web. Name one possible consequence of sudden die-off of these organisms
What is the die-off of primary consumers that eat phytoplankton, or die off of secondary consumers that rely on primary consumers that eat phytoplankton.
400
This term describes two different species of organisms that live in close proximity to each other and benefit from each other. For example, a bird that picks off bugs from a hippo.
What is mutualism?
400
These 6 groups make up the current method of classifying organisms.
What are archaea, bacteria, protists, fungi, plants, and animals?
400
Names of three biomes in the world and an organism that lives in each.