Which fossil would most likely be found in the oldest rock layer?

A) flying dinosaur

B) mastodon

C) trilobite

D) saber-tooth cat

Which of the following are examples of dissolved gases found in the ocean. (3 of them) calcium oxygen potassium nitrogen carbon dioxide chloride

Which is the correct way to write the scientific name of a fruit fly

What is the allele frequency?

Lemmings are small mammals that reproduce quickly. A lemming population often grows so quickly that there is not enough food for all of the lemmings to eat. This results in a decline of the lemming population.

What type of organisms were dominant after each mass extinction?

From where dothe kenetic tiles collect energy

Landscapes will undergo the most chemical weathering if the climate is * A) cool and wet B) warm and wet C) cool and dry D) warm and dry

Why are sharks so successful at what they do?

The nucleus of an atom is comprised of

When the double stranded DNA helix is unwound, two single strands of DNA are formed. These strands have to be stabilized because their hydrophobic bases are exposed to water. The proteins that stabilize the two single strands are called