Hermit crabs have a soft belly and live in the ocean. to protect themselves, they crawl into discarded snail shells and use them for homes. which symbiotic relationship describes the association of hermit crabs and snails? a. commensalism b. mutualism c. parasitism d. competition

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars