Hypothesis: If plants are placed in white light, then the will grow better than plants in other colours of light.
Independent variable: Colour of light.
Dependent variable: plant growth.
Control group: the plant in the closet.
Experimental group: the plant is the other light colours.
Constants: miracle grow and amount of water.
Measurements: height of plants.
<span>The sex cells, more scientifically known as the ova and spermatozoa, are composed of 23 of the usually 46 human chromosomes. They have half the usual number because they of course combine to form a new, genetically distinct, cell, termed the zygote. The correct term for this type of cell, one with half of the complete genome, is GAMETE. Therefore the answer is option (a).</span>
