Which density-dependent factor controls the size of a population?
a. wind velocity
b. light intensity
c. nutrient supply
d. rainfall
e. wave action in an intertidal zone
c
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A somatic cell divides to form two genetically identical daughter cells during mitosis. Prior to mitosis, what must
occur?
a. The cell must replicate its DNA. b. The cell must first be fertilized. c. The nucleus must divide. d. Chromatids must be separated. e. The nuclear envelope must disintegrate.
Deoxygenated blood is transported to the pulmonary capillaries of the lungs by the pulmonary veins; oxygenated blood is transported away from the pulmonary capillaries by the pulmonary arteries
Indicate whether the statement is true or false
What would be the growth rate (r) of an island population of 1000 that has 30 births per 100
population, 20 death per 100 population, 5 immigrants per 100 population, and 10 emigrants per 100 population? a. +5 b. ?50 c. +50 d. ?150 e. +150
The most abundant protein on earth is ________.
A. chlorophyll B. NADPH C. cellulose D. rubisco E. ATPase