The answer for this question would be letter A. Experimentation takes in by experimenting with your hypothesis, knowing what will happen and then gathering data from the outcome of the experiment. For your data, you create your analysis of what had happened then conclude.
Chromosomes females have xx and males are xy
Answer: Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
Explanation:
Answer:
to illustrate key points simply.
Explanation:
You first use images to back up your evidence, then secondly use them to add aesthetic value to your slide
Answer:
The second one is correct
Explanation:
A leukocyte is responsible for the immune system
