Photosynthesis is limited to the well-lit upper layer of the ocean, which scientists refer to as the benthic zone. true or false

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

3what is the range of the function shownin the graph? ucation solutionsnw novo-9-8-7 -6 -5 -4 -3 -2 -1123456789

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing