kim has been lying in her bed all afternoon studying for her anatomy quiz . what process is she using to make ATP ?

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

Did you know that a blue wales tongue weighs more than an elephant?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?