The north end of Earth's axis is tilted toward the sun from March 21 until
September 21 ... Spring and Summer in the northern hemisphere, which
includes North America.
Showing how trends change over time
•Rule our new roads
•Continue to invest in space for more efficient modes of transport
•Revisit congestion charging
•Invest in more people walking
Ocean and freshwater dumping causes mammals and other species that live very close or in the body of water, to die
Answer:
The true statement is - Sympatric speciation only occurs in areas where there is local variation in environmental resources
Explanation:
- Sympatric speciation means the evolution of new species from an ancestor species which are occupying in the same area and no geographical barrier takes place.
- Overlapping of ranges takes place to the organism and old and new species are living i the same geographical region.
- A dam diving a fish population could lead to allopatric speciation where geographical barrier causes formation of new species which are completely different from their ancestor species.
