Sponges produce structures called gemmules, which are hard outer coatings protecting a reproductive bud during times of drought. What type of adaptation is this? a. Biochemical b. Ecological c. Structural d. Physiological

a is the answer to this question

explanation:

c8h10 is your answerr

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he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".