Which organism is classified as nekton?
a. sponge
b. clam
c. sea anemone
d. fungi
e. whale
ANSWER: e
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Which factor(s) determine a species' optimal foraging theory?
a. availability of parasites b. availability of predators c. energy needed to capture food and court mates d. energy that foraging provides e. energy needed to capture food and the energy that the food provides
Answer the question using the accompanying figure. The worker bees represented by letters C and F, which receive
different alleles from the queen, are related to each other by ____.
a. 0% b. 25% c. 50% d. 75% e. 100%
The carbon cycle is closely linked to energy flow within an ecosystem because
a. carbon can be used as an energy source. b. all organisms are made of carbon compounds. c. carbon can form four covalent bonds. d. energy and carbon are both fixed into nutrient molecules by producers. e. carbon compounds can be both inorganic and organic.
Large carbohydrates, such as starch and glycogen, are polymers. What monomers compose large carbohydrates?
A. Fatty acids B. Nucleotides C. Monosaccharides D. Amino acids