Although Darwin did not realize it, the variations he observed among the individuals of a population of finches were caused by what?

Describe the number of chromosomes in sex cells

What discovery was made by Robert Hooke in 1665

You are treating a 13 year old female who has a broken stick impaled in her forearm

Which is not an impact to the ecosystem after a drought? A. Floods will wipe out all the vegetation B. herbivores will have to leave and find food elsewhere C. water is scarce and causes organisms to find new sources of water elsewhere

Normally a human fertilized egg contains a number of chromosomes

Compare and contrast two types of plants described in this passage

The relationship between makor depression and dysthymic disorder is similar to the relationship between

A 13 year old growing 2 inches in 1 year mitosis or meiosis

Examples of obligate intracellular parasites that can only replicate inside a host are

Will mark brainliest! What are biotic factors? How can they affect the population dynamics? Give some examples.