Water may be lost in the form of liquid from the surface of leaves through a process known as
A. guttation.
B. cohesion.
C. phloem loading.
D. mesophyll adhesion.
E. aeration.
A. guttation.
Guttation occurs when root pressure is so strong that it forces water up to the leaves.
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In order to kill a body cell, ________ T cells must recognize the ________ molecules on the surface of the cell
a. naïve, MHC b. helper, MHC c. cytotoxic, MHC d. helper, MMR e. cytotoxic, MMR
What can you infer from this graph?
1.The population no longer exists.
2.6000 individuals is more than the habitat can support.
3.The carrying capacity of reindeer is about 6000 since that is the maximum number that was attained.
4.The population crashed because it had increased far past the number of individuals that the habitat could support, so both 1 and 2 could be inferred from the graph.
Identify the labeled zones and briefly state what occurs in each region. 
A. ________B. ________C. ________
What will be an ideal response?
A carbon atom is most likely to form what kind of bond(s) with other atoms?
A) ionic B) hydrogen C) covalent D) ionic bonds, covalent bonds, and hydrogen bonds