Bacteria that produce vitamins are residents of what organ within the digestive system?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

What organelle other than the nucleus houses dna in a eukaryotic cell?

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d