The present giraffe has a long neck as compared to
its ancestors. it could be due to
(a) natural selection
(b) isolation
(c) speciation
(d) inheritance of acquired character

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions