Proteins are made of amino acids. what elements make up amino acids? look up the structures of the 20 amino acids in your textbook and list the 5 elements present.

Where would coelacanths be located on a branching tree diagram?

Why does the present shapes of the continents fit perfectly into one supercontinent

All of the living organisms found in a particular area?

What are the two parts of respiratory system and their parts?

Which statements about salt water are true? Check all that apply. Salt water contains minerals other than salt. Fresh water is heavier than salt water. Objects float more easily in oceans than in lakes or rivers.

Give 2 possible circumstances or actions that may lead to a decrease in the TFR of a population

What's system includes oceans, lakes rivers and groundwater's

What extinction event wiped out the dinosaurs

What are 3 reasons that natural selection occurs

What areas of them body are involved in the lymphatic system