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 its community
Niche The role of an organism within its 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 theSun 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?