Answer:
Allopatric speciation
Explanation:
Where a population forms new species due to geographical barrier
That has separated the initial original population into 2 separate population which cannot interbreed
Answer:
Vitamin-D in the blank.
Explanation:
If you think you may have a deficiency, it's important that you speak to your doctor and get your blood levels measured. Fortunately, a vitamin D deficiency is usually easy to fix. You can either increase your sun exposure, eat more vitamin-D-rich foods, such as fatty fish or fortified dairy products.
Answer:
Environmental change results in the environmental ecosystem to be able to adapt to a new environment to survive the impact of environmental change can cause a decrease in the amount of organisms living in that ecosystem and without one of the organism living in the ecosystem the other organism supports on the other organism for food/energy will be scarce resulting in a decrease of species eventually dying out.
B) the decay of once-living things
Hope this helps have a great day!
C. The increase in average global temperatures caused by greenhouse gases