Answers: 2
Biology, 22.06.2019 11:30, yarrito20011307
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 14:50, dondre54
Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.
Answers: 1
Biology, 22.06.2019 17:20, Bianca1203
Can yall plz me on this question im having a hard time think about it
Answers: 1
Biology, 22.06.2019 18:30, embersongracie
Which gas prevents the spread of fire and extinguishes it? is a type of compressed gas that prevents the spread of fire and extinguishes it.
Answers: 1
Suppose different species of sea urchins release gametes into the ocean at the same time. The inabil...
Mathematics, 24.11.2021 06:40
Mathematics, 24.11.2021 06:40
SAT, 24.11.2021 06:40
Social Studies, 24.11.2021 06:40
Mathematics, 24.11.2021 06:40
Law, 24.11.2021 06:40
Mathematics, 24.11.2021 06:40