B. some species die out when environmental changes occur
Answer:
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Explanation:
Monocots differ from dicots in four distinct structural features: leaves, stems, roots and flowers. ... Whereas monocots have one cotyledon (vein), dicots have two. This small difference at the very start of the plant's life cycle leads each plant to develop vast differences.
The venom of a poison dart frog has the special ability of being quiet permeable through the skin. A dart frog's poison can travel up the nerves, into the brain leading from tingling to pain, to paralysis, to coma, and then death. Its agonising.
Malthus didn't account for diseases or natural disasters in his theory of population growth.
A. True. Meiosis and mitosis are the same, right?