Ecology

the interaction between organisms or species that use the same resources in which the health of one is negatively affected by the presence of the other

• mutualism

• competition

• commensalism

• predation

an animal that hunts and eats another animal

• mutualism

• competition

• commensalism

• predator

an organism that lives in or on another organism (the host) and obtains nourishment from the host but provides nothing back to that host

• parasite

• prey

• predator

• bacteria

the position an organism occupies at each level of the food chain

• energy pyramid

• consumer

• producer

• trophic level

a group of different populations that live together and interact in an environment

• biome

• community

• individual

• ecosystem

consists of  living and nonliving things in their environment, that interact with each other and with their environment.

• biome

• community

• individual

• ecosystem

a major ecological community such as grassland, tropical rain forest, or desert

• biome

• community

• individual

• ecosystem

the group of organisms of the same species living in the same area

• biome

• community

• population

• ecosystem

an animal that eats plants as well as other animals

• carnivore

• herbivore

• omnivore

• decomposer

an animal that eats only other animals

• carnivore

• herbivore

• omnivore

• decomposer