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.

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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?

Biology & Microbiology

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

Biology & Microbiology