Which of the following is NOT a condition necessary for natural selection to occur? A. very high population density
B. variable fitness among individuals
C. more offspring are born than can survive
D. heritable variation among members of the population

Genes that come together with different alleles are heterozygous. homozygous. genotype. segregated.

Can yall plz me on this question im having a hard time think about it

Which of the following would be the best hypothesis for this experiment? a) use of the ginko biloba extract improves clinical outcomes when administered to patients with t2d. b) ginko biloba improves clinical outcomes of diabetes patients when combined with metformin. c) diabetes in patients is worsened when ginko biloba is taken in conjunction with metformin. d)the use of ginko biloba to treat t2d in combination with metformin lowers the cost of t2d treatment. ginko biloba shows benefits against t2d when combined with plant extracts as compared to other treatments.