The process in which two cells from different parents unite to produce the first cell of a new organism is called
a. homeostasis.
b. development.
c. asexual reproduction.
d. sexual reproduction.

Could someone me with number one you

During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming

The transport tubes from food came down the plant are called?