Match the following items with the correct phrases.
_______1. A decreased number of white blood cells in the peripheral bloodstream.
_______2. Increase in the diameter of blood vessels; an initial event in inflammation.
_______3. An increased number of white blood cells in the peripheral bloodstream.
_______4. Considered to be the first phase of phagocytosis; the means by which phagocytic cells are attracted to sites where they are needed.
a. chemotaxis
b. leukocidin
c. leukocytosis
d. leukopenia
e. vasodilation
1. d. leukopenia
2. e. vasodilation
3. c. leukocytosis
4. a. chemotaxis
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Which of the following taxa is NOT known to contain species that cultivate fungi for food?
A. leaf-cutting ants B. humans C. termites D. beetles E. nematodes
What is a ribozyme made of?
What will be an ideal response?
Your community has a wonderful lake as a recreational resource. The water is relatively clear, nuisance algae are minimal, and the fishing is great. Swimming is one of the many popular activities in this clean water. Devise a community plan that will protect the water quality of your lake and protect against an algal bloom (a thick growth of algae)
What will be an ideal response?
In mosses and fungi, the process of meiosis produces
A) egg cells. B) hybrids. C) spores. D) sperm cells. E) oocytes.