What tissue conducts water and dissolved minerals from the roots to the stems and leaves?
a. collenchyma
b. epidermis
c. periderm
d. xylem
e. phloem
d
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Edema is a result of increased interstitial fluid in various tissues of the body. All of the following are causes of edema EXCEPT
A. injury to a limb. B. liver disease. C. abnormally low blood pressure. D. pregnancy. E. protein malnutrition.
The ___ model of human origins is supported
by genetic studies.
a. replacement b. multiregional c. transitional d. relational e. allopatric
________ is the term used to describe the condition of a cell containing a chromosome number that is not a multiple of the haploid number
Fill in the blank with correct word.
A bird in your care has an infection in its air sacs. What do you predict would be the effect of this infection?
A. Since the air sacs are vestigial, there would be no effect. B. Metabolism and overall activity levels would decline as a result of lower oxygen flow. C. The bird would be unable to fly as a result of aerodynamic changes in the infected air sacs. D. The bird would be much more vulnerable to toxic gases as the air sacs could no longer be protective.