Science 33-34 Vocab
Published on Nov 18, 2015
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PRESENTATION OUTLINE
DENSITY DEPENDENT
- Definition- Biotic factors that regulate population size
- Two examples are predation and parasitism
DENSITY INDEPENDENT
- Definition- population regulation by abiotic factors
- Two examples- weather and natural disasters
POPULATION
- Definition- All organisms of the same species interacting with in the same environment
- Two examples- an isolated field of flowers and humans
COMPETITION
- Definition- occurs when soecies try to utilize a resource in limited supply
- Two examples- sea anemones compete for territory in tide pools and large insects defend space on cottonwood leaves
HABITAT
- Definition- space where an organism lives
- Two examples- red eyed tree frogs live in a tropical rain forrest and rattlesnake lives in a dessert
AUTOTROPH
- Definition- organisms that can produce their own energy
- Two exapmles- green plants and algae
CARNIVORE
- Definition- animals that feed on other animals
- Two examples- birds that feed on insects and hawks that feed on birds
HERBIVORE
- Definition- animals that feed on plants
- Two examples- deer and caterpillars
OMNIVORE
- Definition- animals that feed on both plants and animals
- Two examples- humans and chickens
HETEROTROPH
- Definition- relies on outside sources to obtain their food
- Two examples- raccoons and butterflies
