The dark brown pigment in the skin is called a. carotenoids c. chlorophyll b. melanin d. keratin

Which of the following is not a classification of marine organisms? a. benthos c. neritic b. nekton d. plankton select the best answer from the choices provided a b c d

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?