HELP THIS IS ABOUT TO SUBMIT The diagram below represents a cell and some molecules in its environement. Which molecules would require the use of energy in order to be brought into the cell?

***Image shows a cell with 4 molecules: Molecule 1 square, Molecule 2 diamond, Molecule 3 a triangle and Molecule 4 circle. On the outside of the cell: 5 Molecule 1, 3 molecule 2, 5 molecule 3 and 4 molecule 4. On the inside of the cell: 3 molecule 1, 2 molecule 2, 1 molecule 3, and 7 molecule 4.

A. 1

B. 2

C. 3

D. 4

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle

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.