One function of cortical parenchyma cells is:
a. photosynthesis.
b. to provide structural support and strength.
c. to produce cutin.
d. to conduct water and nutrient minerals.
e. to conduct sugars
A
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Tropical; grassland with scattered trees; seasonally dry; nutrient poor soils; large grazing mammals.
A. desert B. savanna C. taiga D. temperate grassland E. tropical rain forest
With the exception of cancer cells, most cells divide approximately ________ times before they stop reproducing
A) 2-4 B) 10-12 C) 20-25 D) 50-90 E) 100-200
Why do living organisms have the potential for errors (mutations and/or variations) in their development?
a. so that organisms may contribute to evolution b. so that organisms may live unchanged c. so that organisms may die unchanged d. so that organisms may contribute to reproduction
Bioenergetics is the study of ____ in living organisms.
a) energy input b) energy transformations c) energy manipulations d) energy output