You are studying a mysterious organism. The organism has a hard outer shell and no bones. The organism has legs with joints, lays eggs, and is cold-blooded. What type of invertebrate is this? science question btw

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

Which step is the same in both forms of fermentation, as well as in cellular respiration?

Why is the sun hot and can burn you if you get to close