From the answers provided it would be <span>D. Nuclear transfer.</span>
To collect the water and mineral nutrients.
Because they each get half their dna from both parents. in pea plants for example the offspring have a total of 14 chromosomes thus inheriting 7 from each parent. plus genetic mutation is always a possibility making the offspring genetically different from the parents.<span />
Secondary consumers and heterotrophic
Swamps or maybe those in the desert. In swamps, the soil is too loose for animals to burrow without it caving in. In deserts, since the climate "rising" its getting to hot and dry for animals to burrow without the sand caving in when an animal walks above it.