Does anyone want to be friends with me and it has it be a boy not girls

In sexual reproducing animals once fertilization of the egg takes place, the exists as a single cell until cell division begins. a) egg b) larva c) sperm d) zygote

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?