Certain species of fish are unsafe to consume in high quantities because these fish

a. ingest other fish that are poisonous to humans.
b. have high levels of metals in them from cancer-causing pesticides.
c. are endangered species.
d. contain vitamins that aren't water-soluble and can cause toxicity.

don't guess, try to give the correct answer

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.