Which statement best defines a cell? the basic unit of structure and function in all living things the smallest organelle of all living organisms the smallest object in a living thing a crystal-like structure that exists in all living things

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

Why are recessive alleles not removed from populations over time? a. individuals can pass recessive alleles on to offspring b. recessive alleles are removed with enough time c. recessive alleles will always reappear after being removed

Asingle egg is a(n): it's not ovary. ovary ova ovum yolk