You find a new animal. It is a large, predatory marine vertebrate covered with scales. It has a two-chambered heart and gills, and its skeleton is made of cartilage. You should classify it as

A) Amphibia.
B) Actinistia.
C) Actinopterygii.
D) Reptilia.
E) Chondrichthyes.


E

Biology & Microbiology

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Indicate whether the statement is true or false.

Biology & Microbiology

Match the following items with the correct phrases.

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Biology & Microbiology

Which technique(s) is/are used to help identify and classify bacteria?

A. Microscopic examination B. Culture characteristics C. Biochemical tests D. Nucleic acid analysis E. All of the choices are correct.

Biology & Microbiology

Which molecules are the most important for a cell to protect from damage if the cell is to stay alive and reproduce?

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Biology & Microbiology