It’s B, having variation from sexual reproduction because the two parent mix genetic information so they have more of an advantage
Fish will eat tadpoles if they can get to them. The only way to stop them would be to give the tadpoles a space that the fish can't get to, like a shallow area with a barrier (plastic mesh would work but make sure the fish can't get caught in it) or lots of plants, or make a separate wildlife pond.
Nematodes<span> are the bacterial feeders, fungal-feeders, plant parasites, predators, and omnivores.</span>
True t<span>he only exception to organisms with different genetic codes are identical twins. Otherwise all organisms have differences in their genetic sequences that make them to at least a small degree unique</span>