Scientists think that dolphins and whales may have evolved from a common ancestor because they have similar anatomies.
<h3>What is a common ancestor?</h3>
A common means different animals now, have evolved from a single ancestor or animal.
These animals may share common characters and structures.
Whales, dolphins, and porpoises are evolved from a common ancestor; cetacean.
The animals that evolved from cetaceans are all aquatic, primitive cetaceans were amphibians too.
Thus, They have similar anatomies.
Learn more about ancestors
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<span>Francis Bacon was the one who invented the scientific method!</span>
Answer:
A) Proportion of females with the trait is less than 8%
B) Proportion of females that would be carriers is greater than 8%
Explanation:
Only the 8% male sufferers can give their diseased X-chromosome for the female XX to be formed. hence, the proportion of the female carriers is most likely greater than 8%
On the other hand, the proportion of female sufferers will be definitely less than 8%, for 92% of the remaining male population are neither carriers nor sufferers; and the 8% male sufferers are strictly needed to give the disease X-chromosome for a female to have the trait XX.
<span>gradual movement of the continents across the earth's surface through time. and that explains draft because they were crossing/drafting across the ocean hope that helps</span>
Plants and some types of archaea or bacteria use photosynthesis to create food.