1. Ecology Terminology
&
Concepts
Linda Sutton
May 13, 2015

2. Niche: an organisms role in the environment
- Birds eat insects, spread seeds, food for other organisms
- Insects pollinate plants, reduce populations, food for amphibians & birds
Rabbits are food for other organisms
- Wolves keep rodent and other populations in check

3. Keystone Species: a species that other species in the ecosystem depend on for existence
- Elephants push down trees and build savannas
- Creates grasslands for many other species
Squirrels hide acorns
some are not gathered and grow into Oak trees
provide food and shelter for many species
- Hippos carve out watering holes
- Provides water for other species

4. Habitat: where an organism lives, its home
Black Bears
-caves
-rock cliffs
-underground burrows
Owls
-holes in trees
Trout
- freshwater streams

5. Gestation Period: the length of time a female carries young while the young are developing
Toro, By Ross. "For How Long Are Animals Pregnant? (Infographic)."LiveScience. TechMedia Network, 23 Sept Web. 13 May 2015.

6. Natural Selection: 4 Main Points =
environment naturally selects for organisms most fit to survive in it
"Curran, Thomas / NOTES: Natural Selection Key Components." Curran, Thomas / NOTES: Natural Selection Key Components. Warren Hills Regional High School, n.d. Web. 13 May 2015.

7. "Flipper Fund. " Earth Trust Program. Earth Trust Fund, n. d. Web
"Flipper Fund." Earth Trust Program. Earth Trust Fund, n.d. Web. 12 May 2015.