When marginal farmland is left barren, the process is termed this _____ .
A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
E) Desertification
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The production of sterile offspring is an example of a prezygotic isolation mechanism
Indicate whether the statement is true or false
Goiter is a disease characterized by an enlarged thyroid gland. Which of the following either leads to or is an outcome of the disease?
A. iodine deficiency in the diet B. reduced levels of T3 in the blood C. reduced levels of T4 in the blood D. excessive thyroid-stimulating hormone production E. All of the choices are correct.
Do predators control prey? Or do prey control predator populations? Explain your answer
What will be an ideal response?
Leaf abscission is initiated and orchestrated by the hormone abscisic acid. Indicate whether the statement is true or false