The largest grouping within a phylum is a 

A. class.
B. order.
C. kingdom.
D. family.


A. class.

Biology & Microbiology

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Which type of molecule is considered “good cholesterol”?

a. HDLs b. LDLs c. trans fatty acids d. plaque e. embolism

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What is the primary difference between savannas and tropical forests?

A) Tropical forests are typically warmer. B) Savannas have less precipitation. C) Tropical forests have more variable temperatures. D) There are no climate differences between the two.

Biology & Microbiology

All viruses use the host cell's nucleic acid polymerases for replication

Indicate whether the statement is true or false

Biology & Microbiology

The central nervous system is protected by

A. muscle. B. bone. C. fibrous cartilage. D. hyaline cartilage. E. elastic cartilage.

Biology & Microbiology