Current research in behavioral ecology focuses on the overall contribution that behavior makes to an animal's
A. fitness.
B. learning.
C. competitive strategies.
D. foraging efficiency.
E. length of life.
A. fitness.
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Systemic symptoms, such as fever, weight loss, malaise, and a loss of appetite, along with a widespread rash, can be observed in patients suffering from _________ syphilis
a. primary b. secondary c. tertiary d. latent
A researcher in a lab finds a microscopic organism that is a producer. The organisms are found in
extreme environments (i.e., hot springs). The researcher has identified an organism belonging to the domain ____.
a. Bacteria b. Archaea c. Eukarya d. Animalia e. Amoeba
Large bodies of water maintain relatively constant temperatures compared to terrestrial locations. Why is this so, and how is this feature of water important for life?
What will be an ideal response?
Natural selection changes allele frequencies in populations because some __________ survive and reproduce more successfully than others.
A) alleles B) loci C) gene pools D) species E) individuals