Anisogamy (different-size gametes) is a phenomenon found in many sexually reproducing species. Which of the following assumptions might contribute to the notion that natural selection favors anisogamy? Group of answer choices A) The probability that a zygote survives increases with its size, and the size of the zygote is a function of the sizes of the fusing gametes. B) There is a trade-off between the size of gametes and the number of gametes. C) The larger the gamete, the less mobile it is. D) All options are correct