The extinction of the wooly mammoth about 10,000 years ago—due to human hunting and climate change—is an extreme example of ________ regulation.

a. density-dependent
b. density-independent
c. r-selected
d. K-selected


b. density-independent

The extinction of the wooly mammoth about 10,000 years ago—due to human hunting and climate change—is an extreme example of density-independent regulation.

Biology & Microbiology

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The basis of cellular differentiation is

the operon selective gene expression. cloning. mutation.

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Which molecules are not part of the closed promoter complex?

A. RNA polymerase B. Transcription factors C. Double helix DNA D. Single-stranded DNA

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In meiosis, homologous chromosomes separate in ____

a. metaphase I b. anaphase I c. metaphase II d. anaphase II e. telophase

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When a eukaryotic cell is not undergoing mitosis, the DNA and its associated proteins appear as a visible thread-like mass called the

A. nucleolus. B. chromatin. C. nucleoplasm. D. nuclear envelope. E. nucleosome.

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