100 points am i a boy or a girl?

In pea plants p represents purple flowers while p represents p, and t represents y'all plants while t represents short. biologist cross two pea plants, each with the genotype pptt. we would expect what phenotypic ratio from this dyhybrid cross?

What evidence was found from soft tissue samples of a remarkable well-preserved tyrannosaurus rex that provided molecular evidence linking t. rex to a chicken? a. antibodies that react in a specific way with chicken proteins reacted in the same way with t. rex proteins. b. oxygen was found to be essential to t. rex’s survival in the same way that it is essential to a chicken’s survival. c. t. rex cell structure was found to be similar to the cell structure of chickens. d. t. rex cells were found to use glucose as a source of energy just like a chicken’s cells use glucose.

The removal of which tropic level of the food chain would have the biggest effect on the ecosystem? a) crabs b) fish c) whales d) plankton (i think it’s plankton)