Note that the scale bar under the photo is labeled 1 μm (micrometer). the scale bar works the same way as a scale on a map, where, for example, 1 inch equals 1 mile. in this case the bar represents a much smaller distance. what is the approximate diameter of the mature parent cell?

answer is a

explanation:

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms