The major cost to plants for having cuticle-covered epidermis in the shoot system to reduce water loss
is reduced ____ uptake.
a. carbon dioxide
b. potassium
c. nitrogen
d. calcium
e. oxygen
A
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The production of chlorophyll molecules requires most plants to obtain __________ from the
soil.
a. calcium b. magnesium c. nitrogen d. potassium
Water is oxidized by ________
a. photosystem II b. ATP c. NADP+ d. photosystem I
A deviation like having an extra toe is considered a ____
a. genetic abnormality b. genetic disorder c. syndrome d. pedigree e. carrier
Salmonella enteritidis causes a food-borne illness that kills 400 to 600 Americans each year. It is found mainly in poultry products
Rather than give large doses of antibiotics to poultry, some poultry producers infect the intestinal tract of hens with a harmless bacteria, resulting in a dramatic decrease of S. enteritidis found in the chickens. In this case, what principle did the producers use? A) mutualism B) predation C) competitive exclusion D) parasitism