Explain whether you would rather use a meterstick or a ruler to measure someone's height. Explain why. Use the words ACCURATE and PRECISE in your answer.

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.

What was the land like over 500 million years ago? what was under the sea?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.