1.) What are the female sex chromosomes?
2.) What are the male sex chromosomes?

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

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

Select all that apply. careful listening skills include: refraining from interrupting the speaker taking quality notes making an effort to understand maintaining eye contact with the speaker