How does sympatric speciation differ from allopatric speciation? A: Sympatric speciation involves reproductive isolation, while allopatric speciation does not.

B: Sympatric speciation applies to the biological species concept, while allopatric speciation applies to the ecological species concept.

C: Sympatric speciation involves a behavioral barrier, while allopatric speciation involves a physical barrier.

D: Sympatric speciation involves asexual reproduction, while allopatric speciation involves sexual reproduction.

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.

They create genetic variations

This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.