African elephants are often poached and killed for the ivory tusks. These elephant populations are becoming reduced in size, as their poaching is larger than their population births. Recently, elephants on an African reserve are being born tuskless, and lack the tusks even as adults. Which statements are supported by the description here? Select ALL that apply.

Responses
A A DNA mutation caused the elephants to be born tuskless.A DNA mutation caused the elephants to be born tuskless.
B Those elephants without tusks may be more likely to survive and reproduce.Those elephants without tusks may be more likely to survive and reproduce.
C The lack of tusks is an advantage to the organism when poaching is common.The lack of tusks is an advantage to the organism when poaching is common.
D The elephants needed to be tuskless, so they lost their tusks in order to survive.The elephants needed to be tuskless, so they lost their tusks in order to survive.
E The elephants are being selectively bred to have fewer tusks so that they require less land on the reserve.

B. Those elephants without tusks may be more likely to survive and reproduce.

C. The lack of tusks is an advantage to the organism when poaching is common.