Biology, 01.04.2020 21:32, isaiahst573
Which statements best describe natural selection? Check all that apply.
Populations must have genetic variation.
Genetic mutations do not produce advantageous traits.
Natural selection occurs when the environment changes.
Evolution works independently of natural selection.
Organisms best suited for the environment survive and reproduce.
Answers: 3
Biology, 21.06.2019 14:30, mmpinkortizov5n3y
When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.
Answers: 2
Biology, 21.06.2019 15:00, gugu1004
6. in the dna double helix, how are the two strands of dna held together? a. chemical bonds between base pairs hold the two strands of dna together. b. hydrogen bonds between the base pairs hold the two strands of dna together. c. hydrogen bonds between sugar groups and phosphate groups hold the two strands of dna together. d. chemical bonds between sugar groups and phosphate groups hold the two strands of dna together.
Answers: 1
Which statements best describe natural selection? Check all that apply.
Populations mus...
Populations mus...
Mathematics, 31.01.2020 02:48
History, 31.01.2020 02:48
Mathematics, 31.01.2020 02:48
Mathematics, 31.01.2020 02:48