A species' chances of going extinct are increased when its geographic range is _____, its local population size is _____, and its habitat tolerance is _____.
a) restricted; small; narrow
b) extensive; small; narrow
c) extensive; small; broad
d) restricted; small; broad
e) extensive; large; narrow
Answer: a) restricted; small; narrow
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Once amino acids are hydrolyzed from proteins, the energy can be harvested in cellular respiration pathways
A. as an intermediate molecule within the Krebs cycle. B. after slight modification to become acetyl CoA. C. after the ammonia group is removed. D. as in all of these answer options, with only minimal modification required. E. after slight modification to become pyruvate.
The glandular organ represented by the letter
"A" in the above figure is the ____ gland that makes/performs ____. a. hypothalamus; antidiuretic hormone b. pituitary; follicle stimulating hormone production c. adrenal gland; epinephrine d. pancreas; insulin e. none of these
Sex-linked traits affect only sexual characteristics
Indicate whether the statement is true or false
Which is not a component of nucleic acids?
A. sulfur B. pentose sugar C. organic nitrogenous base D. phosphate