Which processes help return water to the oceans and lakes? 1.photosynthesis, condensation, infiltration
2.water storage in ice, snow, atmosphere and ground
3.snowmelt, streamflow, ground-water discharge
4.evaporation, transpiration, sublimation

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

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?