This is the primary source of energy in most ecosystems on Earth.
What is the Sun?
100
Symbiosis is a relationship between two different _________ that live closely together and at least one of the organisms benefits.
What is "species"?
100
This is the process by which plants create their own food by harnessing the energy from the sun.
What is photosynthesis?
100
If an organism eats both animals and plants, it is called this.
What is an omnivore?
200
Hetero
What is other?
200
The arrows (not lines!) on a food web represent this...
What is the flow of energy?
200
This type of symbiosis occurs when both species benefit.
What is mutualism?
200
These are the parts of a habitat that are living, or once living, and interact with an organism.
What are biotic factors?
200
During photosynthesis, plants take in carbon dioxide, water and sunlight and then they give off these two things, one of which is a gas.
What is food and oxygen?
300
Auto
What is self?
300
We draw each unique organism on a food web this many times.
What is once?
300
This type of symbiosis occurs when one species benefits and the other is not affected.
What are commensalism?
300
Meaning other-feeder in Latin, this is an organism that must eat to survive
What is heterotroph?
300
This is what tertiary consumers eat.
What are secondary consumers?
400
Troph
What is "feeder"?
400
Secondary consumers eat this trophic level. (BEST ANSWER, not right answer)
What is primary consumers?
400
This type of symbiosis occurs when one species benefits and the other is harmed.
What is parasitism?
400
This is an organism's position in the food chain, such as producer, consumer, or decomposer.
What is a trophic level?
400
Fill in the blank:
As you go up an energy pyramid, there is ______ energy available at each level.
What is less?
500
Photo
What is "light"?
500
These organisms contain the most amount of energy in an ecosystem.
What are producers/plants?
500
Mistletoe is a plant that grows in the branches of trees. It grows by taking water and nutrients from the trees. This is an example of...
What is parasitism?
500
This is an organism who can make its own food. Translates to self-feeder in Latin.
What is autotroph?
500
Invasive species are harmful to ecosystems because they have no natural __________, organisms that would 'attack' them and keep their populations in check.