What are the narrow, tapering cells found in the xylem tubes of drought-adapted plant species?
What will be an ideal response?
tracheids
You might also like to view...
When a vesicle moves along microtubules toward the center of the cell, the molecular motor(s) _____ are used?
A. dynein B. both kinesin and dynein C. Molecular motors are not required for movement along microtubules. D. kinesin
The difference between living and nonliving matter depends not only on the kinds of atoms and
molecules present, it also depends on ____.
a. their electrons b. their chemical interactions c. their compounds d. their organization and interactions e. their chemical complexity
Answer the following questions true (T) or false (F)
1. Isotopes differ from each other in the number of protons that they possess. 2. Atoms are electrically neutral. 3. The electrons of an atom contribute significantly to the mass of an atom.
The major growth surge in the human population that occurred about 11,000 years ago is attributed to the beginnings of ________
a. medical care b. religion c. stone spear and blade technology d. agriculture