Biology, 11.08.2021 18:00 zhuotingwu147
A student is performing an experiment to see if fertilizer will help a plant grow. He/She sets up 2 containers to grow the plants in. In both containers the student puts the same type and the same amount of soil, the same type of plant seed, and then gives each container the same amount of water and sunlight each day. The only difference between the 2 containers is in container 1 the student gives the plant the fertilizer. During the next 60 days the student measures the growth (height) of the plant and records the data. What is the experimental variable is this experiment?
Answers: 2
Biology, 21.06.2019 23:30
What is the relationship between absorbance of light and the rate of photosynthesis?
Answers: 1
Biology, 22.06.2019 03:30
The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.
Answers: 1
Biology, 22.06.2019 04:30
Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?
Answers: 3
Biology, 22.06.2019 05:30
Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d
Answers: 2
A student is performing an experiment to see if fertilizer will help a plant grow. He/She sets up 2...
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