A monophyletic group_________

A. consists of an ancestor and some of its descendants.
B. is characterized by one or more homoplasies.
C. consists of an ancestor and all of its descendants.


Answer: C. consists of an ancestor and all of its descendants.

Biology & Microbiology

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The seabirds with an ecological role similar to land-based hawks, falcons, and vultures are the:

a. gulls and terns. b. skuas and jaegers. c. avocets and sandpipers. d. curlews and turnstones. e. eiders and puffins.

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These joints have bones joined by stiff fibers of connective tissue and are essentially immobile

a. synovial joints b. cartilaginous joints c. fibrous joints d. non-synovial joints e. non-fibrous joints

Biology & Microbiology

The genotype of a tall, yellow pea plant is TtYy. How many different types of gametes can this individual produce if the tall and yellow genes are on different chromosomes?

A) 1 B) 2 C) 4 D) 5 E) 8

Biology & Microbiology

Glycoproteins in the plasma membrane that identify self and help the body defend itself against pathogens.

What will be an ideal response?

Biology & Microbiology