________ isolating mechanisms include improper development of hybrids and failure of hybrids to become established in nature.

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


Post-zygotic

Post-zygotic isolating mechanisms include improper development of hybrids and failure of hybrids to become established in nature.

Biology & Microbiology

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In meiosis, centromeres split in 

A. telophase I. B. anaphase I. C. telophase II. D. anaphase II.

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three main abdominal accessory organs

What will be an ideal response?

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Which of the following statements is a hypothesis rather than a theory?

A) Living things are made of cells. B) Female birds prefer to mate with male birds that have longer tails. C) Modern organisms descended from preexisting life-forms. D) Matter is composed of atoms.

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. Hot weather is common to all deserts. 2. Tropical rainforests are known for having high biodiversity but relatively poor soil. 3. Overall, the abundance of life is higher in the coastal zones of marine ecosystems than the open ocean.

Biology & Microbiology