Which option describes adaptation? Select one:
1)Over time, populations gain traits that make them
more suited for the environment.
2)Only the strongest
individuals in a population are likely to survive.
3)Parents pass their genes to their offspring.
4)If there are enough resources, the population will
grow.

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.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Explain why ecosystem diversity results in species diversity in a healthy biosphere