Biology, 02.04.2021 20:30, silviamgarcia

4) Question: Would more carbon dioxide help a plant grow taller? Hypothesis: If a plant receives more carbon dioxide than normal then it will grow larger than a group receiving normal levels of carbon dioxide.
• Experiment: Rodger is studying the effect of increased carbon dioxide on plant growth. He sets up four tanks (terrariums). Each tank has the same type of plant, same potting soil, same amount of water, same amount of sunlight. The first tank has normal levels of Carbon dioxide. The second tank has 25% more carbon dioxide, the third 50% more and the fourth 100% more. Darren records plant height after each week for a four-week period.
a. What was the independent variable?
b. What was the dependent variable?
c. What was the control?
d. Was there a constant variable?

Answers: 3

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 04:00, stelllllllllllllllla

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Answers: 3

continue

Biology, 22.06.2019 07:30, makaylaspeaks4787

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

Answers: 1

continue

Biology, 22.06.2019 08:30, neariah24

Which group of molecules are targeted by the kinases in order to control this movement

Answers: 2

continue

Biology, 22.06.2019 11:30, annsmith66

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?

Answers: 1

continue

Do you know the correct answer?

4) Question: Would more carbon dioxide help a plant grow taller? Hypothesis: If a plant receives mo...