Help please, I don't understand how to do this.
Its about punnet squares and stuff

All 4 genotypes will be rr, and all 4 phenotypes will be white.

Explanation:

The "r" gene for white hair color is recessive, and both the bull and the cow have two copies of this gene. Therefore, since the "r" is the only gene that both could pass down, all offspring will have white hair and two copies of the "r" gene.

c

explanation:

i think

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.