Fossils in layers of rock are generally estimated to be than fossils found in the deeper layers. (3 points) Explain your answer for justification. older, younger

newer, younger

older, older

newer, older

How does natural selection change thephenotypes within a population over time?

Nucleic acid certain protein cell membranes certain carbohydrates

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.