<span>d all of these
Fertilization is where the egg cell of the females meet the sperm cell of the males, Further it is even a step by step process, stated in the provided options.
Considering that the female and male sex cells are present
1. </span><span>Sperm must swim into an oviduct.
</span>2. b An oocyte must be present in the oviduct.
<span>3. c The nucleus of a sperm must fuse with an oocyte nucleus.</span>
Organisms get their energy from different sources depending on where they land in the food chain. This section on How Living Things Get Energy is going to talk about the two big ways that living things get their energy, Cellular Respiration and Photosynthesis.