click below
click below
Normal Size Small Size show me how
Ecology Quiz
NYS Living Environment AIS
Question | Answer |
---|---|
Competition | occurs when animals fight for resources because the resources are limited |
Abiotic | nonliving factors in an ecosystem |
Biotic | living factors in an ecosystem |
Biodiversity | the variety of living things in an area. The more variety, the better |
Carnivore | eats meat only |
Herbivore | eats plants only |
Omnivore | eats plants and meat |
Carrying capacity | the maximum number of organisms that a habit can support due to limits in food, shelter and other resources |
Producer | an organism that makes its own food (energy) through photosynthesis |
Consumer | cannot make its own food, must eat to get energy |
Habitat | where an organism lives |
Niche | an organism’s JOB in its environment |
Food web | Complex (goes in all directions) representation of items with arrows to show transfer of energy. Starts with the sun |
Energy pyramid | vertical stack of organisms in a food chain. Producers are on the bottom. |
Ecological Succession | gradual change in an area, as organisms grow after an event such as a fire. Starts with small plants and can eventually end with a complex forest. |
Heterotroph | organism that cannot make its own food; a consumer |
Autotroph | an organism that produces its own food; the source of energy for all other living things on earth |
Parasite | an organism that survives by living and feeding on other organisms |
Predator | an animal that actively hunts and kills other animals (prey) for food |
Scavenger | a carnivore that feeds on the bodies of dead organisms |
Limiting factors | any factor in the environment that limits the size of a population |
Carrying capacity | the largest population of any single species that an area can support |
Host | an organism that is home to a parasite |