The levels of organization in living things are cell, tissue, organ, and organs-system. What level of organization is each layer - the
epidermis, palisade layer, spongy layer? __ . The entire
leaf would then be considered to be a__.

HELP PLEASE!!!

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

What is the identity of the planets?

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae