Ruby has observed that plants in her garden vary in height. She what’s 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.
Note: consider reviewing how ruby developed her conclusion on page 8 of this lesson to select the best answer
Options:
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.
Ruby measures the heights of several species A,B,C and D plants for a week under than same conditions and finds journal articles that describe the growth rates of each species.
Ruby measuers the heights of several species A,B,C and D plants, each species for one week at a time for consecutive weeks
Ruby measures the height of a species A plant for a week and finds an anonymous gardening blog that describes the growth rate of species A