Xylem and phloem are _____ tissues
a. ground c. dermal
b. vascular d. both vascular and dermal
B
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What is the function of endosperm?
a. food for animal pollinators in flowers that don’t have nectar b. food for the sprouting seedling c. food for developing pollen grains d. food for the growing pollen tube e. food for the developing fruit
The condition in which it takes larger or more frequent doses to produces the same effect is drug ____
a. tolerance b. addiction c. habituation d. concealment e. depression
What is the function of alveolar pores?
A) speed the rate of diffusion B) equalize pressure in the lungs C) allow for exhalation of H2O formed during cellular respiration D) allow for nutrients to reach the alveolar cells E) a portal for diapedesis
each cell runs on chemical energy mainly found in ___________________.
Fill in the blank(s) with the appropriate word(s).