The size of a population of a given species that can be indefinitely sustained by an ecosystem is its ________
Fill in the blank(s) with correct word
carrying capacity
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A developer putting tract housing in a previously pristine area plans numerous small, open space areas where the
original habitat is to remain. As a conservationist, how would you suggest changing the plan, if at all (assume that canceling the development is not an option)? Why?
What will be an ideal response?You go on a canoe trip to the Boundary Waters Canoe Area (BWCA) in Northern Minnesota. This ecosystem is cold most of the year and receives plenty of rainfall. It has many lakes that are full of walleye pike fish. You know that walleye like to eat minnows. In turn, the minnows feed on scuds (zooplankton) which eat algae (phytoplankton). In this system, the zooplankton are the
A. primary consumers B. decomposers. C. producers. D. secondary consumers.
Four of the five statements listed below apply to the types of ecological pyramids. Which one is FALSE?
a. A pyramid of numbers has the greatest number of organisms at the top. b. A pyramid of energy shows that energy increases as one goes toward the apex of the pyramid. c. A pyramid of biomass cannot be inverted. d. The base of all ecological pyramids is equal in size to the top. e. The pyramid of biomass show actual biomass reduction from one trophic level to the next.
A strain of Neisseria gonorrhea has a mutation which has caused it to lose the ability to produce fimbriae and become less virulent as a consequence. What function has this pathogen lost?
A) the ability to adhere to cells of the body B) the ability to move from one location in the body to another C) the ability to produce an endotoxin D) the ability to establish a latent infection E) the ability to prevent phagocytes killing it