What type of stem cells produces muscle cells?

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Which of the following is not a defining characteristic of plants?