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.
If a plant loses too much water through osmosis then it becomes less rigid and the cell membrane soon will separate from the cell wall.
Answer:
Explanation:
Long-term memory may involve a change in the shape of the neuron's cytoskeleton.
The long-term memory process involves a structural change with the growth of new synaptic connections by the sensory neurons onto their follower cells.
Is the letter D because your having half of their DNA. That's why your mother is contributing the Y chromosome and your father is contributing the X chromosome