In the presence of oxygen, molecules of ATP can be formed during cellular respiration. A. 36 to 38
B. 19 to 24
C. 2 to 4
D. 63 to 68
E. 38 to 42

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root