hi

parasitism

(+, -) one organism benefits and the other is harmed

Mutualism

(+,+) both organisms benefit

commensalism

(+,0) one organism benefits and the other is neither helped nor harmed

herbivore

1st level consumer that only eat producers

ecosystem

all the living organisms that live in an area and the nonliving features of their environment

community

all the populations of species that occupy an area

biomes

allarge geographic areas with similar climates and ecosystems. Includes: Tundra, Desert, Tropical Rainforest, Temperate Rainforest, Grassland, Arctic Tundra, Temperate Deciduous Forest

Predator

animal that hunts and kills other animals for food. It is a type of consumer [carnivore or omnivore]

all the living organisms that live in an area and the nonliving features of their environment

animal that hunts and kills other animals for food. It is a type of consumer [carnivore or omnivore]

Symbiosis

any close relationship between species, including mutualism, commensalism, and parasitism

limiting factor

anything that can limit the size of a population, including living and nonliving features of an ecosystem, such as predators or drought

food chain

chain showing how energy passes from one organism to the next

foodweb

complex network of many interconnected food chains and feeding relationships

decoposer

consume wastes and dead organisms

carnevors

eat herbivores, omnivores, or other carnivores

Omnivores

eat produsers and cosumers

niche

in an ecosystem, refers to the unique ways an organism survives, obtains food and shelter, and avoids danger

carring compacity

largest number of individuals of a particular species that an ecosystem can support over time

trophic

largest number of individuals of a particular species that an ecosystem can support over time

biotic factors

living things within an ecosystem

aboitic

non-living parts of ecosystem-air/water/soil/sun

Comsumer

organism that cannot make own food, a heterotroph

producer

organism that makes its own food, autotroph.

habitat

place where an organism lives and that provides the types of food, shelter, moisture, and temperature needed for survival

enrgypyramid

show the direction in which energy flows. As the amount of available energy decreases, the pyramid gets smaller.

ecology

study of the interactions that take place among organisms and their environment

population

the number of individuals of one species that occupy the same area