Ecosystems Portfolio

salt water ecosystem

biotic factors

shark, fish, starfish, leaves , octapus

abiotic factors

water, sand, rocks, salt, dirt, shells

carrying capacity

carrying capacity is the total or the most organisms that the habitat can hold or support

Food, water, shelter, space

The population is increasing by 500,000 every ten years  

limiting factors

The factor that limits the reaction rate in any physiological process governed by many variables


Food is the limiting factor. Food is not the only factor that may limit population growth.

Predator pray relationship

A predator is an organism that eats another organism. The prey is the organism which the predator eats.

Energy roles

producers:  a person, company, or country that makes, grows, or supplies goods or commodities for sale.

EX: a krafish  is a producer because fish eat it and sharks eat fish.

herbivors:  An animal that feeds of plants.

EX: like a darafe because it eats plants.

omnivores: an animal or person that eats food of both plant and animal origin.

EX: a shark eats other sharks and fish.

carnivores:  something that eats its own kind.

EX:is kida like a spider or snake.

Decomposers : an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

EX: Decomposers are organisms that break down dead or decaying organisms.

Scavengers: an animal that feeds on carrion, dead plant material

EX: like a person cleaning the streets.

producer explanation:  it helps things out

EX: someone who sales somethig for sale.

Food chains and food webs

exp:a series of organisms related by predator-prey and a food chain is something that helps them or gives them energy.

Trophic levels and energy

exp: producers are at the bottom because it gives the fish and anything  they need.

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