What are the results of an increase in global
temperature?
a. extreme amounts of rainfall
b. droughts followed by heavy rains
c. increased intensity of hurricanes
d. increase in sea level
e. all of these
E
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Which of these methods of heat transfer is not relevant to biological systems?
A. radiation B. conduction C. convection D. evaporation E. reflection
This photograph shows a leaf-cutter ant carrying a leaf back to its underground garden, where the leaf will be digested by the fungi that live there. Why does the leaf-cutter ant do this?
a. Feeding leaves to the fungi prevent them from digesting the ant’s young.
b. The fungi emit pheromones that repel the ant’s natural predators.
c. Leaf-cutter ant eats the fungi that grow on these leaves in its garden.
d. The fungi have infected the ant’s nervous system to control it like a puppet.
Which pair is NOT matched correctly?
a. plant cell wall : cellulose b. intermediate filaments : tubulin c. microfilaments : actin d. cell membrane : phospholipid bilayer
Answer the following questions true (T) or false (F)
1. Anything that occupies space and has mass is energy. 2. An element can't be broken down into another form of pure matter. 3. The number of neutrons in the nucleus of an atom gives it a unique chemical nature.