The mussels that live at the NW Eifuku volcano are examples of _______. a. chemoautotrophs b. photoautotrophs c. apex predators d. primary consumers
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The mussels that live at the NW Eifuku volcano are
examples of _______.
a. chemoautotrophs
b. photoautotrophs
c. apex predators
d. primary consumers
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- As a result of_______ , an old animal usually has more pollutants in its body than a young one. a. bioaccumulation b. biological magnificationThe process whereby nitrogen is brought into organic molecules is called ________. a. nitrification b. denitrification c. nitrogen fixation d. nitrogen cyclingChemoautotrophs can survive on ____________ alone.a. minerals b. CO2 c. minerals and CO2 d. methane
- The process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called ________. a. dead zoning b. eutrophication c. retrofication d. depletionThe movement of mineral nutrients through organisms and their environment is called a ________ cycle. a. biological b. bioaccumulation c. biogeochemical d. biochemicalThe position of an organism along a food chain is known as its ________. a. locus b. location c. trophic level d. microcosm
- Choose the best answer from the choices. 1. A human infected with a virus is an example of a. Commensalism b. Predation c. Parasitism d. Competition 2. The main products of photosynthesis are a. Carbon dioxide and water b. Oxygen and water c. Oxygen and organic molecules d. Carbon dioxide and organic moleculesThe average time a molecule spends in its reservoir is known as ________. a. residence time b. restriction time c. resilience time d. storage timeChemoautotrophic bacteria and archaea are the main primary producers for food webs______ . a. in mangrove wetlands c. on coral reefs b. at seamounts d. at hydrothermal vents
- Which one of the following is not caused due to the PV power plants? a. Land pollution b. Battery Pollution c. Eyesight problem d. EarthquakesChlorinating swimming pools is an example of______________ to control microbial populations. A. employing halogens B. employing heavy metals C. employing surfactantsWe learned an ironic twist in the film called "The Other Inconvenient Truth." It was that a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere. d. agriculture uses 70% of fresh water mined , causing a salt water pollution too