Answer: D. Extinctions occur at higher rates during times of ecological stress when populations and species are poorly adapted.
Answer:
At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells
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The change is harsh on birds. Food supplies goes down and birds can become ill from the disease
Answer:
nucleotide, DNA, nucleus, cell, tissue, organ, organ system, human body
Explanation:
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Areoles are the tissue that make up most of the stem of cacti. These are specialized structure that give birth to flowers and are often tubular and multipetaled. This structure enables the plant to survive in the harsh conditions of the desert and help them absorb water from the soil efficiently.