An example of a reaction to a stimulus is A) a boy smelling a flower
B) eyes blinking due to smoke in the air
C) a person tapping on the shoulder of a friend
D) a loud clap of thunder following lightning

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

The fluid mosaic model of the membrane proposed that membranes

At the age of 6 months, caleb was diagnosed with tay-sachs disease. as his primary care physician, what would you tell his parents about this disease?