A swamp contains lungfishes, lampreys, and ray-finned fishes. As the swamp begins to dry out, which fishes will better survive and why?

What will be an ideal response?


Lungfishes have both gills for breathing underwater and lungs for breathing in air. Neither lampreys nor ray-finned fishes can breathe the air. The lungfishes will be able to survive for short periods of time out of the water.

Biology & Microbiology

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Morphological traits are commonly used to identify species, which of the following can also be used?

A. The ability to interbreed. B. Molecular similarity (DNA and chromosome comparisons). C. Ecological factors. D. Evolutionary relationships. E. All of these.

Biology & Microbiology

Are the three methods of producing the building blocks of life proposed in this chapter mutually

exclusive? What will be an ideal response?

Biology & Microbiology

__________ and _________ are released by neurons

of the adrenal medulla and cause a fight–flight response as does stimulation by the sympathetic nervous system. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Digestion of microorganisms occurs in phagosomes

Indicate whether the statement is true or false

Biology & Microbiology