C: complete this punnett square. (i'll try to upload a picture. if not, here is what the punnett square looks like.) _t__tt__tt_ the two spaces next to the first t are blank. the two spaces next to the tt in the second row are blank. the last row is filled out. in this punnett square, what is the ratio of homozygous to heterozygous offspring? in the punnett square, what percentage of the offspring are homozygous recessive?

I think I understand even without the picture. I'll add a picture of the Punnett Square filled in, but what you're crossing is

Tt  x  tt (heterozygous crossed with a homozygous recessive)

The ratio you get in the end is 2 heterozygous (Tt) and 2 homozygous (tt) offspring, so the ratio is 1:1.

So the percentage of offspring that are homozygous recessive is 50%.

Wetlands form where water and land meet. a lake with a wetland fringe can fill in with decayed plant and animal material to become a wet meadow. a pond can fill in to become a bog or fen. sediment can fill in a river marsh to become a swamp.flooding of coastal lowlands from rising sea levels has created broad coastal marshes that are protected from wave action by barrier islands or reefs. coastal wetlands also form when rivers deposit sediment as they reach the ocean. plants then take root and hold the soil firm against the forces of tides and waves.