The oldest known fossils on Earth are most similar to:

animals

plants

fungi

bacteria

Why is an ecosystem never constant?

What is the primary way that metamorphic rocks form? Lava erupts from Earth and cools. Water, wind, and gravity move particles from one place to another. Rock fragments break apart and collect as sediment.

The ability of Vibrio cholerae to cause disease depends on a number of factors. Which of the following are general requirements for any organism to cause disease within a host? A. production of exotoxins B.

What percentage of the Earth's water supply is represented by fresh water locked in ice?

Identify the benefits to native species of joining similar habitats with corridors.

Summarize what goes into each photosystem and what comes out of each photosystem; where do these products go?

What process is responsible for most of the heating of the lower atmosphere?

What theory proposes that evolution occurs steadily (slowly) in tiny changes over long periods of time? A. Gradualism B. Relative dating C. Natural selection D. Punctuated Equilibrium

The purpose of the right ventricle is to: receive blood coming back from the lungs pump blood to the upper and lower body pump blood into the lungs to be oxygenated receive blood back from the upper and lower body

A client has been admitted for observation after a closed head injury. there is clear fluid leaking from the client's nose. how would the nurse assess if this drainage is csf