5 Written Questions
5 Matching Questions
- ecological succession
- keystone species
- energy pyramid
- realized niche
- a transition in species composition of a biological community, usually by a disturbance in community.
- b a species whose presence contributes to ecosystem's diversity and whose extinction would destroy other life forms
- c when a species settles for a smaller niche after battling against another species
- d 10% of energy is transferred from 1 level to the next, 90% given off as heat, respiration, digestion, etc.
- e total sum of species' use of resources in environment
5 Multiple Choice Questions
- organisms that consume producers (plants and algae)
- organisms in first stage of succession
- organisms that consume secondary consumers or other tertiary consumers
- (nitrogen cycle step 2) bacteria in soil convert ammonium (NH4+) to nitrate or NO3.
- organisms that are capable of interbreeding with 1 another but unable to with other species
5 True/False Questions
lichens → total sum of species' use of resources in environment
Net Primary Productivity → amount of sugar that plants produce in photosynthesis ------ amount of energy that plant needs for growth, repair, etc.
reservoir → where animals and plants breathe and give off CO2 from cellular metabolism
population → group of organisms of same species and same area
biodiversity → organism that can convert radiant energy or chemical energy to carbs