We believe that modern birds evolved from feathered dinosaurs. If we find the fossil of a feathered dinosaur in a higher strata than the fossil of a bird, does this invalidate the idea that this evolution occurred? Explain fully.

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

i believe the correct answer is d

which

what is a measurement of the earth’s history divided into time periods?

> fossil record <

sedimentary rock

> geologic time scale <

radioactive elements