Which of the following descriptions fits Phytophthora ramorum?
a. water mold that causes sudden oak death
b. heterotrophic protist with a glassy silica shell
c. euglenoid that can survive acidic water
d. charophyte algae related to land plants
a
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Hemoglobin binds oxygen most efficiently in areas of the body where the pH is low and the concentration of carbon dioxide is high
Indicate whether the statement is true or false
Which of the following examples is incorrectly paired?
a. schooling fish?aggregated distribution b. nesting seabirds?random dispersion c. grove of aspen?clumped dispersion d. flour beetle larvae?random dispersion e. adult sand pine?uniform dispersion
In contrast to alpha radiation, beta radiation:
A) is easily stopped by a piece of paper. B) travels slowly and is less penetrating. C) can easily penetrate the human body. D) requires a layer of clothing to stop it.
The ________ of the microscope holds and allows selection of the objective lenses.
A. condenser B. ocular C. stage D. nosepiece