Students are experimenting with a substance that they think can be added to soil that will increase the number of flowers a plant will grow they set up 20 pots of soil with the same seeds they divide the pots into separate groups And add 15 drops of the substance in one group and 10 in the other after the plants grow for four weeks the students will see which ones are the most flowers which does this experimental investigation lack

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

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.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.