Sperm production is called ____.
A. parthenogenesis
B. spermatocytosis
C. oocytosis
D. oogenesis
E. spermatogenesis
Answer: E
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Which of the following is TRUE regarding lymph nodes?
A) They are located only in the digestive tract and neck. B) They remove microorganisms and abnormal cells from the lymph and return them to blood circulation. C) Macrophages but not lymphocytes can be found within lymph nodes. D) They filter lymph fluid, trapping microorganisms and abnormal cells. E) Lymph flows from the lymph vessels to the urinary system.
Suppose a plant were grown in a nutrient solution containing all known essential elements except for a particular one
in question. This would be an application of: a. agriculture. b. mutualism. c. weathering. d. hydroponics. e. salinization
What is the correct way to open an agar plate to either remove a sample or to inoculate?
What will be an ideal response?
In contrast to bioremediation, which as a strategy for ______________, biological augmentation ______________ a degraded ecosystem.
a. replacing extirpated species.... removes man-created pollutants and toxins from b. eradicating a crippling disease in a keystone species... involves planting fruit and grain bearing crops to provide more forage in c. removing harmful substances... uses organisms to add essential material to d. adding new species to control problem species... adds fertilizer to nutrient-poor soils in e. using organisms to add essential materials... removes harmful substances from