Which of the following is a scientific question? a. should commercial fisheries be regulated to protect dolphin habitats? b. are dolphins more interesting than whales? c. do dolphins emit characteristic whistles in response to their offspring? d. why don't people eat more dolphin meat?

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?