PART 1: In the space provided, write the letter "A" if the term refers to an abiotic
factor. Write the letter "B" if the term refers to a biotic factor.
1. Moisture
2. Bacteria
3. Soil
-4. Carbon dioxide
5. Corn seeds
6. Insects
7. Minerals
8. Light
9. Grass

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

What is the difference between a scientific hypotheses and a scientific theory?