Plants transport water to their leaves through the xylem when water evaporates from the leaves. The evaporating water pulls other water molecules up the xylem through ____
A. Hydrophobic interactions
B. Ionic bonds
C. Covalent bonds
D. Hydrogen bonds
D
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Hypothermia occurs when:
a. temperature falls to the point where brain activity is impaired b. interstitial fluid begins to freeze c. shivering response begins d. breathing rate increases e. metabolic activity increases
Describe the components of a freely movable joint, and give their functions. What happens when there is inflammation of the joint?
What will be an ideal response?
____ is the study of a species' evolutionary history
a. Natural selection b. Taxonomy c. Microevolution
d. Phylogeny e. Convergent evolution
In an ecosystem
A. both energy and nutrients cycle. B. energy flows and nutrients cycle. C. energy cycles and nutrients flow. D. both energy and nutrients flow. E. energy is contained with nutrient cycles.