What is the study of interactions among organisms and their environment?
Does photosynthesis contribute to ecology?
Yes, it is how plants convert sunlight to energy
What type of animal eats only plants?
Herbivores
One organism hunts and the other is killed.
What is predation?
what is an organism that can produce its own food?
Autotroph.
T or F Energy is pass down through tropic levels?
False
What type of animals eat only animals?
Carnivores
when 2 organisms living together in a close relationship
Symbiosis
The role, or way of life of a species within its environment.
Define niche.
The maximum number of a population that an ecosystem can support
Carrying Capicity
What type of organism eats plants and animals?
Omnivore
Both organisms benefit.
What is mutualism?
Only one species benefits without harming or benefitting the other.
Define commensalism.
What is the amount of energy passed from one tropic level to the next
10
What type of organism breaks down dead organisms?
Decomposer
One organism benefits and the other is harmed.
What is parasitism?

Give 1 reason as to why the elk population dropped below the carrying capacity
answers will vary
What are the levels of ecological organization (small to large)
population, community, organism, biosphere, ecosystem
Organism→Population→Community→Ecosystem→Biosphere
What type of organism eats dead and/or decaying matter?
Detritivore/Scavenger
When 2 organisms both need the same resources, they are in?
Competition