Which of the following defines the term microflora? small, soil-dwelling animal parasites that feed on flowers

very small flowers, often found in compound clusters or heads

small, soil-dwelling non-animal microorganisms

a persistent contamination of the soil that leads to small flowers

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

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.

In which part of the body is a ball-and-socket joint found?