When discussing natural selection, the term "fitness" is best thought of as a. a reference to physical fitness b. reproductive success c. strength d. none of these?

Explain the significance of thesaurus geographicus

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?