Answer:
The beating or fanning movements of three pairs of maxilliped flagella in crabs and crayfish modify exhalent gill currents while drawing water over chemoreceptors on the head. They play an integral part both in signalling by distributing urine odours, and in active chemosensation.
Explanation:
By squeezing the food and pushing it towards the digestive juices in your stomach
Answer:
Because liquids and solids are denser than gasses.
Explanation:
Solids and liquids are denser than gasses making it easier for things like sound to conduct through them. Being dense contributes to a better conduction because the particles and such within the solid or liquid are closer together which allows for things like sound to travel at a much faster rate because they're so much easier to vibrate.
<span>(</span><span>A. specialized cells that perform specific functions)</span><span>
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The answer is <span> an endothermic reaction. </span>Photosynthesis is a type of endothermic reaction because it needs the energy from light (sun) to convert water and carbon dioxide into oxygen and glucose needed by other organisms.
