What are index fossils and how are they used to find the age of a sedimentary rock

How frequently can scientists prove that their hypotheses are true?

Which of the following enzymes digests carbohydrates?

How does embryological evidence support Darwin's theory of evolution

The evolutionary theory that suggests that a species can suddenly and rapidly evolve into a new species is A. genetic drift B. gradualism C. punctuated equilibrium

How are the nervous system is of a flatworm in a fish different

Consider the following hypothetical scenario: An ancestral species of duck had a varied diet that included aquatic plants and terrestrial plants and insects. These ducks spent time on both land and water.

Cross a homozygous dominant individual for brown hair with an individual who is blond hair. remember the starting are the parental generation. What you are getting with results are the offspring (the F1 generation)

Identical twins look alike because their bodies contain identical

You can spread allergies to another person t/f

A volcanic eruption adds carbon dioxide to the air. This is an example of interactions between the 1) hydrosphere and geosphere 2) atmosphere and geosphere 3) geosphere and biosphere 4) hydrosphere and biosphere