During a third trimester ultrasound, what would a doctor expect to observe in a fetus

A. initial development of organs

B. response to noise and light

C. presence of a tail-like structure

D. the first heartbeat

Match the digestive enzymes to the macro molecules they to digest. down fats into glycerol and fatty acids down carbohydrates into simple sugars down nucleic acids into nitrogenous bases and simple sugars down proteins into amino acids

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

Autotrophs a.consume their food to get energy b.may use photosynthesis to gain energy c.are also called consumers d.cannot use solar energy