Is this right if not please help and don’t just say it’s right

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.

What are the three different shapes or structures shapes or structure of carbon-based molecules?