Adaptive evolution is a permanent change in a trait.
adaptive evolution is a temporary change in a trait.
adaptive evolution is a fluctuating change in a trait.

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.

Besides regulating what enters and leaves the cell, what is another function of your choice from question #1?

Which process involves glucose reacting with oxygen to produce energy, carbon dioxide, and water? a. photosynthesis b. atp production c. glycolysis d. cellular respiration