Dogs
a community of organisms and their nonliving environment
ecosystem
two organisms that have close interactions that either help both,harm one,or help one at no expense to the other
symbiosis
living factors in an environment
biotic
an organism that eats prey
predator
several populations living in the same area
community
a symbiotic relationship in which both organisms benefit
mutualism
A consumer that eats only animals
carnivore
diagram that represents how energy in food flows from one organism to the next
food chain
the organism that is hunted by a predator
prey
a consumer that eats plants
herbivore
The study of the interactions between organisms and their environment.
ecology
non living factors in the environment
abiotic
The part of Earth where life exists
biosphere
diagram that represents the many energy pathways in a real ecosystem
food web
Producers use this process to make food
Photosynthesis
long-term change that takes place in two species that live together in the same area at the same time
co-evolution
symbiotic relationship in which one organism benefits and the other is not affected
commensalism
consumer that eats both plants and animals
omnivore
symbiotic relationship in which one organism benefits while the other is harmed
parasitism
the two main food webs
aquatic and land
A group of individuals of the same species that live together in the same area at the same time.
population
the number of organisms an ecosystem can support
carrying capacity
triangle shaped diagram that shows the loss of energy at each level of a food chain
energy pyramid
two types of decomposers
fungi and bacteria
the lowest level of organization
organism