Food Webs Within Ecosystems Marine, Freshwater, and Terrestrial FOOD WEBS

Ecosystems A community of organisms interacting with one another and their environment Includes all Biotic and Abiotic factors Biotic Factors – All living things Plants and animals Abiotic Factors – All nonliving things Water, light, air and land

Marine Ecosystems Oceans

Freshwater Ecosystems Lakes, ponds, rivers, streams

Terrestrial Ecosystems - Land Forests, Deserts, Grasslands, Mountains

Place where an organism lives Habitat Place where an organism lives

Group of individuals of the same species that live in a certain area Population Group of individuals of the same species that live in a certain area

Species A group of similar organisms that can breed and reproduce offspring.

All the populations that live and interact with each other in an area Community All the populations that live and interact with each other in an area

The role of an organism within it’s community Niche The role of an organism within it’s community Coral, plankton, fish

Food Chain Shows how the energy in food is passed from organism to organism in an ecosystem

Food Web Combination of all overlapping interconnected food chains in an ecosystem.

Producers Organisms that get energy from the Sun through photosynthesis - Plants

Consumers Animals - Organisms that eat other organisms to obtain food for energy

3 Types of Consumers Herbivores – Animals that only eat plants Omnivores – Animals that eat plants and other animals Carnivores – Animals that only eat other animals (meat)

Predator/Prey Relationships Predator – Organism that hunts, kills and eats another organism Prey – Organism that is hunted, killed and eaten

Parasite/Host Relationships Parasite – organism that feeds off other living creatures Fleas, Ticks, Worms, Lice, etc. Host – organism that is being feed on by a parasite

Decomposers Organisms that get their energy by breaking down dead organisms and other organic matter

Video Quiz What is the study of organisms and their environment? What is a community of organisms interacting with each other and the environment? What are the living things called in an ecosystem? What are the non-living things called in an ecosystem? What is a particular place in which an organism lives?

6.What is the unique role an organism plays in its habitat? 7.What type of organisms gets energy from the Sun through photosynthesis? 8.What type of organism gets energy by eating other living things? What type of organism gets energy by breaking down dead organisms or other organic matter? What are the 3 types of consumers?