Because there is more oxygen in an alveolus (sac in the lung) than in the blood around it, oxygen diffuses

How could the loss of biodiversity affect humans

Which of the following is not true about plants? a. their leaves absorb red and blue light, reflecting only the yellow and green light b. light is a plant's energy source c. photosynthesis occurs in chloroplasts d.

What accounts for the movement of water up the veins of a tall tree?

Compare and Contrast competitive inhibition and and Allosteric inhibition

A substance ionizes or dissociates into ions when placed in water is always a what

The relationship of blood flow (Q), resistance (R), and pressure (P) in a vessel can be expressed by which equation?

Plants that might be called "weeds" are often great pioneer species. What characteristics do they possess that would make them a successful pioneer species?

Which tissue type contains cells that can be described as long, cylindrical, multinucleated, and striated?

Which of the following is the correct explanation for linked genes?

A lizard lives in a desert. which would be an adaptation for this lizard?