Which structure constitutes part of the axial skeleton?

A) skull
B) pelvic girdle
C) pectoral girdle
D) radius


Answer: A

Biology & Microbiology

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A natural predator of the crown-of-thorns sea star is a mollusc called the Giant Triton, Charonia tritonis. If the triton uses a radula to saw into the sea star, then to which clade should the triton belong?

A) chitons B) bivalves C) gastropods D) cephalopods

Biology & Microbiology

Review the basic events in the life cycle of Chlamydia by completing each sentence.

The mature _______________ bodies are reorganized into elementary bodies, which are released from the host cell.A) Budding B) Elementary C) Binary fission D) Reticulate E) Phagolysosome F) Meiosis G) Secondary

Biology & Microbiology

Give examples of at least two species that are either extinct or facing extinction due to each of the

following: 1) destruction of habitat, 2) biotic pollution, 3) unregulated hunting and poaching, 4) deliberate pest or predator control, and 5) commercial harvesting. What will be an ideal response?

Biology & Microbiology

It takes the Earth ________ to orbit around the sun.

A. 1 month B. 1 day C. 1 year D. 12 hours

Biology & Microbiology