1. Which of the following appeared on Earth most recently?

a. chordates

b. tetrapods

c. dinosaurs

d. single-gene algae

2. Dinosaurs appeared before

a. mammals

b. photosynthesis

c. chordates

d. land plants

A medical researcher hypothesizes that a newly developed medication can reduce high blood pressure. The medication would interact the most with which system?

What is the main influence of global climate change

Strongest causes of climate change.

Which is not a specific function of the right hemisphere of the brain?

Which sequence shows the order of energy flow in a food chain? Urgent 1. sun - rabbit - -grass - owl 2. grass, rabbit, owl, sun 3. sun, grass, rabbit, owl 4. owl, rabbit, grass, sun

Which process is a form of mechanical weathering? A. Hydration B. Carbonation C. Exfoliation D. Oxidation

The nurse obtains the patient's history to identify factors that may affect drug pharmacokinetics. which patients who are on highly protein-bound drugs are likely to experience drug toxicity?

The hellenistic philosophy advocating the avoidance of both joy and pain is called

What names did the ancient romans give to the planets that they knew of

Why is an organism's niche like a person's occupation? A) An organism makes "money" by working in its niche. B) A niche is a "company" that the organism has to work in. C) A niche is a "factory" where organisms build things.