Characteristics that have arisen in organisms as a result of common evolutionary descent are said to be ________ characteristics.

A. homoplastic
B. derived
C. ancestral
D. adaptive
E. homologous


Answer: C

Biology & Microbiology

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A plant with its floral structures arranged around a central axis has _________________ flowers. 

Fill in the blank(s) with the appropriate word(s).

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These are nonphotosynthetic plankton, including aquatic protozoa and tiny animals. 

A. phytoplankton B. thermophiles C. zooplankton D. diatoms

Biology & Microbiology

Against which organisms are disinfectants effective? Against which type of organism may not be effective? What disinfectant(s) is used in your laboratory?

What will be an ideal response?

Biology & Microbiology

At any given time, what percentage of the body's capillaries have blood flowing through them?

A) 5-10% B) 20-25% C) 40-50% D) 85-90%

Biology & Microbiology