Communication has often evolved through co-opting and modifying behaviors used in another context. For example, the communication advantage to scent markings is to:
A. strategically mark particular locations for
eliminating wastes.
B. let an intruder know where another
individual's territory is so that a costly fight
would not ensue.
C. advertise to other individuals in order to
attract mates.
D. All of the answer options are correct.
E. None of the answer options is correct.
B
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A(n) _____________________ depicts the evolutionary relationships between related species
Fill in the blank(s) with correct word
In bacterial toxins of the A-B type, the A fragment is responsible for (1) __and the B fragment is responsible for (2)__.
A. (1)Toxin activity (2) binding to cells B. (1) Fever production (2) binding to cells C. (1)Attaching to surfaces (2) interfering with nerve function D. (1) Binding to cells (2) stopping protein synthesis E. (1) killing phagocytic cells (2) lysing host cells
The descending limb of the loop of Henle is permeable to _______________ but not to _______________
Fill in the blank(s) with correct word
The ____ is a system of vesicles that wraps around each A band and I band
a. neuromuscular junction b. Golgi apparatus c. sheath d. microvillus e. sarcoplasmic reticulum