Speciation is a process in which the members of the same population of a species get separated due to geographical, physical, behavioral, and temporal barriers. The separated members develop new traits and becomes a new species.
Oxygen (the waste product of photosynthesis)
The bald eagle and the black bear are tetrapods, which means that they both have four limbs along with the digits. This shows that they both are the descendants of the four-limbed ancestors. However, the limbs of the bear and the bald eagle have different functions. The forelimbs of both these organisms serves different purpose. Hence, their limbs are homologous organs. The homologous organs are those which have the same ancestry but the functions are different.
The answer to number two is true
A pet dog is a heterotroph. That is because we feed it and it doesnt make its own food.
It is mainly a carnivore, but the answer is that it is an Omnivore.
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