The correct answer is B, I know this because none of the other answers are even reasonable. For example-
A is wrong because the size of elephant tusk has not changed over time, elephant tusk just grow...
C is wrong because it makes no sense to hunt elephants with no tusk :/
D is completely wrong because tusk have nothing to do with reproduction, those are two completely separate bodily functions.........
Answer:
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun. Electricity falls into its own category because it's an energy carrier and not a primary source.
Answer:
C
Explanation:
It is right trust me. It needs a longer beak to reach food in smaller areas and it has adapted to the enviroment in many years
Answer:
five kingdoms
Explanation:
members of the domain eukaryotes have member-bound organelles including a nucleus containing genetic material and are represented by five kingdoms.