5 Written Questions
5 Matching Questions
- trophic cascade
- r-selected species
- a a fundamental system consisting of a community, its nonliving environment, and the interrupt
- b the sum total of living things on Earth and the areas that inhabit
- c normal bell curve, middle survive the best
- d oppurtunists, high biotic potential (high r), little parental care, high mortality rate, many offspring, generalist niches, poor competitors, good colonizers
- e a series of changes in a population sizes of organisms at different trophic levels in a food chain, occurring when predators indirectly promote populations of organisms by keeping the levels in check ex. aspen trees in yellowstone
5 Multiple Choice Questions
- to bounce back quickly after being harmed by a disturbance
- infectious disease, competition for food or mates, predators, parasites. What do these things have in common?
- when one species is benefited while the other feels no effect whatsoever
- the extremes are favored for survival of the species (speciation)
- an educated prediction that can be tested and proven true or false
5 True/False Questions
habitat → lifestyle and how an organism lives
environmental science → the collective force of limiting factors which together stabilize population size at its carry capacity
non sequitor → members of the same species who live and potentially breed together
density-independent factors → storms, natural disasters such as volcanoes pr earth quakes. What do these things have in common?
trophic levels → rank in the feeding hierarcht of a food chain. Organisms higher in the hierarchy consume those lower on it.