Lab report natural selection

here its the best i could find

Explanation:

Introduction: Natural selection, which is Darwin’s theory of evolution, plays a key role onspecies survival. Evolutionary change comes through the production of variation in eachgeneration of individual species with different combinations of variable characters.Survival of the fittest is what Darwin’s key famous phrase was. Species would adapt andchange according to their needs, and environment in order to survive. The stronger,more adaptable will survive and the weaker will die.Hypothesis: I hypothesize that the moth that blends better with its environment will havemore surviving individuals. As each generation continues, the moth that blends betterwith its environment will have more of its species therefore more reproduction. I alsohypothesize the moths that do not bled well will decrease I population each generation.

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

the answer is b. glad to .