Biology, 07.01.2020 19:31 aprilkenedy12
What theory states that species stay the same for a long time and then change quickly because of environmental changes?
a) natural selection
b) allopatric speciation
c) coordinated stasis
d) punctuated equilibrium
Answers: 3
Biology, 21.06.2019 19:30
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.
Answers: 1
Biology, 22.06.2019 08:30
Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.
Answers: 1
Biology, 22.06.2019 09:30
Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?
Answers: 1
What theory states that species stay the same for a long time and then change quickly because of env...
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