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Which statement about capillaries is correct?

Their walls are covered with cilia.

They warm and humidify inhaled air.

They move mucus through the lungs.

Their walls are only one cell thick.

Classify the structures as homologous or analogous, depending on their structure and function.

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

Which is not a likely outcome after extensive irrigation of dry farmland? useless, unproductive soil salinization of the soil depletion of groundwater nutrient-rich soil