Ruby has observed that plants in her garden vary in height. She wants to investigate whether a plant species ( species A) grows faster than the other garden species (species B, C, and D). Select the statement that describes Ruby gathering enough evidence to support a scientific explanation concerning plant growth rates.
A. Ruby measures the heights of several species A,B, C, and D plants for a week under different conditions and finds a journal article that describes the growth rate of species A.
B. Ruby measures the height of a species a plants for a week and finds an anonymous gardening blog that describes the growth rate of species A.
C. Ruby measures the heights of several species A, B, C, and D plants for a week under the same conditions and finds journal articles that describe the growth rates of each species.
D. Ruby measures the heights of several species A, B, C, and D plants, each species for one week at a times for four consecutive weeks.
1 answer
A. Ruby measures the heights of several species A,B, C, and D plants for a week under different conditions and finds a journal article that describes the growth rate of species A.
1 answer