If a family has a child with Down syndrome (trisomy-21), then one of the siblings must be monosomic for chromosome 21.A. TrueB. False

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

What would most likely happen if green plants were exposed to longer days of sunlight? a. the mitochondria would produce less energy . b. the chloroplasts would produce more energy. c. the cell wall would become thicker. d. the vacuoles would quickly shrink.b. the chloroplasts would produce more energy.

What are levels of ecology and how can we remember them