Select the correct answer.
a particular species of fish were split by the formation of the isthmus of panama a long time ago. the fish developed changes in their genes to adapt to the new environment and became two different species. what is this process called?
a.
allopatric speciation
b.
sympatric speciation
c.
gametic isolation
d.
behavioral isolation
e.
mechanical isolation

In 2015, about ten percent of total u. s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?