bio exam 2

is linear *Sunlight, autotrophs, primary, secondary consumers, decomposers

cycles through an ecosystem

community plus abiotic factors

synthesis of an organic compound (sunlight) by a primary producer (plant or algae)

the rate at which energy is stored by plants or primary producers to be made available to the consumers

variety of life in an ecosystem

keeps pollution in check ecosystem stability drives evolution

scientists take endangered and threatened species into captivity, with selective breeding, return to the wild

grass land above highways to increase movement between habitats to increase diversity

open water above the ocean floor

ocean floor

area between high and low tide

area only sunlight reaches in the ocean

lives in the photic zone and warm areas AN ANIMAL

-live on the ocean floor and produce H_2S, CO_2, CH_4 -symbiosis with bacteria that supports life on the floor *how they obtain nutrients w/o photosynthesis

fresh and salt water meet

standing body of freshwater seasonal and small

standing body of freshwater around for 100+ years and large

an algae “blanket” on top of freshwater *suffocate the organisms

23.5

permanatly frozen soil, limiting plant growth

inheritance of aquired traits

principles of geology: earth has gradually changed over millions of years = uniformitarianism

natural selection and survival of the fittest