In selective breeding, humans influence the course of evolution. What determines the course of evolution in natural selection?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.