food web

FOOD WEB IN AN

ECOSYSTEM

Is this an ecosystem?

ECOSYSTEMAn ecosystem includes all of the living things (plants, animals and organisms) in a given area, interacting with each other, and also with their non-living environments (weather, earth, sun, soil, climate, atmosphere).

FOOD WEB

A food web is a graphical depiction of feeding connections among species of an ecological community. Food web consists of food chains of a particular ecosystem.

TROPHIC LEVELS

TROPICAL FOREST FOOD WEB

GRASSLAND FOOD WEB

BOREAL FOREST FOOD WEB

DESERT FOOD WEB

AQUATIC FOOD WEB

BIODIVERSITY

It is the variety of different types of life found on the Earth and the variations within species. It is a measure of the variety of organisms present in different ecosystems.

3 levels of biodiversity Genetic Diversity-refers to the variety of genes within a species.

Species Diversity- is the number of different species that are represented in a given community (a dataset).

Ecosystem Diversity-refers to the variety of ecosystems in a given place.