Which of the following best represents an isolated system?
a. outer space
b. the moon
c. the ocean
d. the atmosphere

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.

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

Explain why process 2 is so important to sexual reproduction identify processes 1 and 3 state one difference between the cells produced by process 1 and cells produced by process 3