Decrease in blood pressure in directly causes widespread VASCONSTRICTION Resulting in a rise in blood pressure is this a negative or positive feedback ?

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Amoeba sisters video recap pedigrees