Cuando te realizan un analisis de sangre te sacan sangre arterial o venosa? por que?

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Are gametes exactly the same? explain why or why not?