In the two-stage cooling method, what is the maximum amount of time allowed for stage one (cooling food from 135 to 70 degrees f)

How was the climate when the ambulocetus was alive

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm