Answer:
A major problem in using geothermal power is corrosion.
passive immunity
innate or natural immunity
Answer: The correct answer for the full in the blank is "Passive immunity".
Passive immunity is the transfer of active humoral response (with ready made antibodies) into the individual.
It can be naturally acquired by mother during gestation period (where antibody from mother is transferred to fetus via placenta) and through breast feeding (antibody transferred through breast milk).
Thus, antibodies transferred to child from mother are part of Passive immunity.
percent more to produce than the old fertilizer but has better results: The
same land now produces 25 percent more crops each year.
Which statement best describes one way the farm will be affected by using
this new fertilizer?
A. The farm's opportunity cost for using fertilizer will decrease.
B. The farm's marginal cost for fertilizer will decrease.
C. The farm's marginal cost for fertilizer will increase.
D. The farm's opportunity cost for using fertilizer will increase.
Answer:
C. The farm's marginal cost for fertilizer will increase.
Explanation:
Answer: cell cycle
Explanation:
b. Soil environments aren't affected by nutrient limitation.
c. If one essential nutrient within an ecosystem runs out, primary productivity will be limited.
d. Limiting nutrients are the nutrients whose supply is in excess.
Answer is c. If one essential nutrient within an ecosystem runs out, primary productivity will be limited
According to Vitousek et al., 2010, nutrient limitation defined as meaningful additions of an essential element in biologically available forms which increases the rate of primary productivity or increase in the biomass in an ecosystem. Alternately, nutrient limitation may also explained as when the supply of one essential nutrient of the ecosystem runs out the primary productivity of the plants will be limited.
Nutrient limitation refers to a situation where an ecosystem or organism's growth is hampered due to lack of a certain essential nutrient. When such a nutrient runs out in an ecosystem, primary productivity is affected as this nutrient is vital for the growth of primary producers.
Nutrient limitation describes a situation in which the lack of a particular essential nutrient prevents an organism or ecosystem from reaching its full growth potential. This concept is very essential in the area of ecology. The correct answer to your question is (c.) 'If one essential nutrient within an ecosystem runs out, primary productivity will be limited.' Let's consider primary productivity in a freshwater ecosystem for example. It is often limited by the availability of nutrients like nitrogen or phosphorous. When these nutrients run out, primary productivity is affected because these nutrients are essential for the growth and development of primary producers (like plants), which set the foundation for energy flow in an ecosystem.
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Bile from the liver is secreted into the small intestine to make the absorption of nutrients more efficient.
B
Involuntary muscles of the small intestine contract to make the absorption of nutrients more efficient.
C
Salivary glands deposit saliva into the small intestine to make the absorption of nutrients more efficient.
D
Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.
The correct answer is:
D .Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.
Explanation:
The small intestines are well adjusted for absorbing nutrients during digestion by being very long, having villi and microvilli that enlarge surface area, using muscular contractions to move and mix food, and raising and housing digestive enzymes and bile that aid the breakdown of food. The inner surface of the small intestine is not flat but thrown into circular folds, which not only enhance surface area but aid in preparing the ingesta by acting as baffles. Villi: the mucosa makes multitudes of ridges which project into the lumen and are satisfied with epithelial cells.
b. False