Check the organelles you think belong only in a plant cell.
nucleus
chloroplasts
cell wall

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Which of the following graphs have the same wavelengths