PlSSS HELPP IM TIMED!! Which characteristic do sea cucumbers have that makes them different from sea urchins?
- tentacles for feeding
- tube feet for movement
- teeth-like structures for digesting
- endoskeleton for protection

What type of plant is good for a bioassay and where can i buy it? i only have a month.

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

What is a drought? what problem can it cause?