How do scientists know that the first organisms were simple, unicellular organisms

Carbohydrates in size from size from smallest to largest

What is the opposite of evaporation? How do these processes differ?

In a paragraph, explain what effect very large small pores and their diffusion rates would have on the workings and mechanisms of a cell

Scientists use specific levels of organization in order to analyze the biosphere. The Everglades are a large area of subtropical wetlands found in Florida.

Which produces an ionic bond? A. creating an electrostatic attraction B. making neutrally charged atoms C. forming large molecules D. sharing valence electrons

What happens when the lungs recoil? A. Inspiration occurs. B. Internal respiration occurs. C. Ribs and diaphragm muscles contract. D. Expiration occurs.

Which of these is NOT a reproductive isolating mechanism? geographic temporal behavioral all of these are reproductive isolating mechanisms

What type of intrusive igneous rock texture has the largest crystals

Between x = 2 and x = 3, which function has a larger average rate of change than f (x) = 2x has? A) g (x) = (2/3) - x B) k (x) = 5x-2 C) h (x) = 4x-1 D) j (x) = (1/2) - x+1

How can we unlock the 90% of our brain that we never use