Living factors in an ecosystem
Biotic
The source of energy for food chains.
When species or individuals “fight “ for the same resources.
competition
Which is an abiotic factor? A squirrel, two raccoons, a snake, a rock, a palm tree
rock
The study of the interrelationships of living organisms and their environment.
Ecology
When you put the different food chains in an ecosystem you form a ______________.
Food web
A biological interaction where one organism, the predator, kills and eats another organism, its prey.
Predation
Which of the following is an example of a biotic factor: a feather, water, a beetle, rocks, a waterfall
beetle
The area in which an organism lives.
Habitat
The position an organism occupies in a food chain.
Trophic level
A long-term relationship where two species live closely together and at least one benefits directly from the relationship.
Symbiosis
All of the different species that live in an area.
Community
Another term for plant-eaters.
Herbivore
How many percent of energy is transferred to next trophic level?
10 %
A relationship between two organisms in which both benefit.
Mutualism
Living and nonliving things in an environment.
Ecosystem
Another term for meat-eaters.
Carnivore
This pyramid indicates the amount of energy that is present in each trophic level.
Energy pyramid
A type of relationship between two organisms, where members of one species gain benefits while those of the other species neither benefit nor are harmed.
Commensalism