A new pesticide has been introduced to the habitat of this population of beetles.

One leaf contains 4 red bugs and 4 white bugs. The second leaf contains 4 red bugs and 1 white bugs.

Which describes the effect of this environmental change?
decreased genetic variation
increased genetic variation
genetic drift
gene flow

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

In a cladogram' when does a group of organisms branch off

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them