<span>gills; lungs
Sharks have spiracles, also for whales they have lungs. Moreover look at amphibians, they live near water sources because they need an area where they can lay and protect their eggs. The early stages of an amphibian's life is spent mostly underwater. This is where they mature and slowly develop into land organisms. In the early stage of their life, they breathe through their gills and they do not have limbs yet. As they grow gradual changes in their body structures are prominent, this process if called metamorphosis.</span>
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The greatest amount of carbon is found in underwater sediments and sedimentary rocks.
Answer:
If a cell is placed in a large container of water with a very low solute concentration water will enter inside the cell and becomes turgid because osmosis will take place.
Explanation:
