Biology, 15.06.2021 17:00, hebrew1148
In 2011 and 2012, scientists working on the Banana River in Florida recorded a dramatic increase in the number of manatee deaths. Over the past 50 years, this area has also seen the human population increase by more than 500,000 people. It is believed that pollution from numerous sewage tanks leaked into the water, eliminating the manatees' food source, replacing it with an alga that is toxic to the manatee. This is an example of A) a natural cycle in an ecosystem B) the effect of increased biodiversity on an ecosystem C) human actions altering ecosystems with serious consequences D) direct harvesting in an ecosystem
Answers: 1
Biology, 22.06.2019 02:30, florochoa217
Plz ! a scientist wants to produce a cow that makes a particular human protein in itās milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.
Answers: 1
Biology, 22.06.2019 06:50, jerrica988
Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.
Answers: 3
In 2011 and 2012, scientists working on the Banana River in Florida recorded a dramatic increase in...
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