Which of the following are consequences of Arctic ice melting due to global warming?
a. arctic animals are losing suitable habitat
b. polar bears are in poorer condition and their weight has decreased over the last 30 years
c. more solar radiation is being absorbed by the ocean
d. the temperature is increasing in the Arctic at an accelerated rate
e. all of the above
Answer: e. all of the above
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If an autosomal ____________________ allele is very common in a population, there is a chance that it will enter the
pedigree from outside the family.Fill in the blank(s) with the appropriate word(s).
A pond ecosystem includes small water fleas which feed on submerged aquatic plants. When the water fleas die, they sink to the bottom of the pond and where they decompose with the help of bacteria. List in order the producer, decomposer, and consumer in this system.
a. water fleas, bacteria, aquatic plants b. aquatic plants, water fleas, bacteria c. bacteria, water fleas, aquatic plants d. aquatic plants, bacteria, water fleas
What is a challenge that organisms living in an intertidal zone face that other aquatic organisms normally do not face?
A. damage from pollution B. changes in temperature at different depths C. movement of water D. light penetrating only through the photic zone E. daily changes in water depth
A turtle is classified as a(n) ________
Fill in the blank(s) with correct word