The biosphere is defined as the portion of _____ where life exists.
A. the earth
B. the atmosphere
C. the ocean
D. land on Earth
E. fresh and salt water
A. the earth
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In the flower diagram shown above, the item labeled "6" is a(n)
a. style. b. sepal. c. receptacle. d. ovule. e. petal.
Fill in the blanks to complete the following statements. Bacteria can produce __________ that are highly resistant forms of the organism that develop in response to adverse environmental conditions
Fill in the blank(s) with correct word
The Atlantic cod population decreased dramatically during the 1900s due to overfishing. What conservation measure, presently being applied, is most likely to help this fish population recover?
A) Putting a bounty on sharks and tuna in the area that would otherwise eat the cod B) Fertilizing the ocean with raw sewage to cause eutrophication, thus increasing productivity C) Establishing marine reserves in the area that prohibit fishing until stocks recover D) Encouraging selective fishing on haddock, turbot, and other species that compete with cod for food E) Spreading silt in the water to reduce UV radiation damage to sensitive cod eggs
Some antibiotics can harm the ribosomes in animal cells. Which of the following would you predict to be the most likely long-term effect of damage to ribosomes?
What will be an ideal response?