Select the correct locations in the diagram. The diagram below represents four species of invertebrates as they progress through three stages of embryonic development. Select the two species that are likely to be the most closely related.

Explain why phospholipid molecules form a bilayer. (3 marks)

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a. changes in genetics in human populationsb. antibiotic resistance in bacteria populationsc. pesticide resistance in garden insectsd. changes in the color of the peppered moth population in england

Which of the following is one way in which organisms such as clown fish and sea turtles are able to overcome the many dangers that their offspring encounter and ensure that their species population numbers stay relatively steady