Answer:
answer b
Explanation:
because as said in the question the fruit is reliant on animals. So animals carry fruit seeds by fur
Independent variable: is the UV light exposure
Control group: people not exposed (sample b)
Dependent variable: skin cancer
Experimental group: (sample A)
Crossing over leads to genetic variation.
Crossing over is the process during meiosis during which homologous pairs of chromosomes exchange genes, giving rise to new combinations of genes within the chromosomes. This is an important source of genetic variation.
