Answer:
Angle of light source
Explanation:
Independent variable is the variable that the experimenter changes or manipulates in an experiment in order to bring about a measurable response, which is the dependent variable.
In this question, a student wants to investigate the effects of phototropism in bean plants. She places a light source directly above one plant, at a forty-five degree angle to another, and at a ninety-degree angle from the third. This shows that the variable being manipulated (independent variable) is the ANGLE OF THE LIGHT SOURCE.
Thanks to their stripes, they can hide in tall grasses like the image below.
~Hope this helped :)
The correct answer is B.
Population growth is correct because humans need water to
survive. Actually not just humans, all living things need water for survival.
Hope this helps!
Discussion:
<span>Some people may think it is A. The truth is “the amount of
evaporation” is incorrect. Amount is doesn’t depend on the amount of water. It
depends on heat. </span>
His muscle cells have experienced aerobic resipiration;carbon monoxide
Next, Mendel took the F1 progeny and allowed them to self-fertilize. In the resulting F2 generation, 3/4 showed the dominant phenotype, and 1/4 showed the recessive phenotype. ... 1 out of 3 round pea plants from the F2 generation were true-breeding and produced only offspring with round peas.
