Answer:
If the inter breeding absent between the individual of different species due to some barrier or mechanism calles reproductive isolation.
Answer:
1. A 2.B 3.B 4.C 6.A 7.B 8.C 9.D
Explanation:
Answer:
True.
Explanation:
The earth system is itself an integrated system, but it can be subdivided into four main components, sub-systems or spheres: the geosphere, atmosphere, hydrosphere and biosphere. These components are also systems in their own right and they are tightly interconnected.
If you have a second fixture around, you can use the same test of putting a tube in a working socket and see if it lights. It is not uncommon in fluorescent fixtures to have the ballast burn out. You may detect a burnt smell or see the bulbs flickering.
Through mitosis is the way the body duplicates.