What is the term for an organisms ability to survive and reproduce?

A. Fitness

B. Environment

C. Selection

D. Population

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Nucleic acid certain protein cell membranes certain carbohydrates

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.