The concept that living cells only arise from preexisting living cells is called:

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

Identify the area on the image where the force of attraction is the strongest.

Which of the following statements accurately defines epidermis? a. a thick protein fiber composed of the protein collagen b. hard, dense bone tissue found on the outer surface of a bone c. single layer of epithelial cells and the underlying basal lamina d. outer, protective layer of the skin composed of stratified squamous keratinized epithelial tissue