Biology, 22.10.2019 05:20 adswadsaasdads
Bacteria convert atmospheric nitrogen to which of the following in the process of nitrogen fixation?
question 1 options:
nitric acid
phosphorus
ammonia
nitrogen gas
question 2 (20 points)
question 2 unsaved
during which of the following steps of the water cycle is water changed from a vapor state to a liquid state?
question 2 options:
evaporation
precipitation
condensation
transpiration
question 3 (20 points)
question 3 unsaved
what impact can deforestation have on the water cycle?
question 3 options:
carbon dioxide is released into the air as trees are burned.
photosynthesis increases, thereby increasing the amount of carbon dioxide in the air.
transpiration declines.
the amount of nitrogen-fixing bacteria increases.
question 4 (20 points)
question 4 unsaved
which of the following is the source of energy for the water cycle?
question 4 options:
volcanic eruptions
the sun
winds
gravity
question 5 (20 points)
question 5 unsaved
why is nitrogen fixation such an important step in the nitrogen cycle?
question 5 options:
soil nitrogen is different.
plants can't use nitrogen in the form of n2.
bacteria convert the fixed nitrogen back into n2.
decomposers need to use nh4+.
Answers: 2
Biology, 22.06.2019 06:30
Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.
Answers: 2
Biology, 22.06.2019 08:00
The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey
Answers: 2
Biology, 22.06.2019 12:40
In which part of the body is a ball-and-socket joint found?
Answers: 2
Biology, 22.06.2019 15:40
Read the article and use the information to answer the questions that follow discovering the structure of dna explain how the discoveries by rosalind franklin watson and crick build an accurate model of dna done
Answers: 2
Bacteria convert atmospheric nitrogen to which of the following in the process of nitrogen fixation?...
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