Carlos made a diagram to compare two kinds of fish.
Which label belongs in the area marked Z?
O
O
Ray
Hagfish
Scales
No jaw
Swim bladder
Skeleton made of bones
O
Save and Exit
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Sub

What are genotypes? what are phenotypes?

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass