Measurements of a plant's growth over a two-week period represent
a. qualitative data.
b. variables.
c. hypotheses.
d. quantitative data

The correct answer would be d. quantitative data.

Quantitative variables refer to the measures of values which can be expressed as numbers.

These include numeric variables such as how much, how many, how often et cetera.

For example, the growth of a plant, that is, a measure of its height over two weeks period.

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.