Semifluid medium of the nucleus containing chromatin.

What will be an ideal response?


nucleoplasm

Biology & Microbiology

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Peter Sheldon found that the number of tail “ribs” in ____ changed over a 3 million year period with no evidence of

speciation.

a. horses b. trilobites c. insects d. humans e. ectoprocts

Biology & Microbiology

 TRAIT    SPECIESABCDE101111200111310101401111500001610101 The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which pair of species shares the greatest number of derived characters (synapomorphies)?

A. 6 and 3 B. 6 and 1 C. 5 and 6 D. 1 and 4 E. 5 and 1

Biology & Microbiology

Both necrotizing fasciitis and gas gangrene are diseases characterized by rapid, spreading tissue necrosis. Compare and contrast the infectious agents, the pathology and treatment

What will be an ideal response?

Biology & Microbiology

Why did animal life probably diversify during the "Cambrian explosion"?

a. predator-prey relationships stimulated animal diversity b. changing sea levels increased available land for animal habitat c. increases in atmospheric oxygen allowed larger body sizes d. the permian extinction left many vacant niches e. A and C

Biology & Microbiology