Celery stalks that are immersed in fresh water for several hours become stiff. Similar stalks left in a 0.15 M salt solution become limp. From this we can deduce that the fresh water_____
A) and the salt solution are both hypertonic to the cells of the celery stalks
B) is hypotonic and the salt solution is hypertonic to the cells of the celery stalks
C) is hypertonic and the salt solution is hypotonic to the cells of the celery stalks
D) is isotonic and the salt solution is hypertonic to the cells of the celery stalks
B
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The genetic diversity within a species of a given region is called the ____
a. biodiversity b. dominance hierarchy c. biogeographic distribution d. biome
e. communityFour of the following might be a response to rising body temperature. Which one is the exception?
a. increased rate of breathing b. decreased secretion of certain hormones c. more sweat d. reduced blood flow to skin e. increased rate of breathing
How do ascomycetes differ from glomeromycetes?
What will be an ideal response?