Some types of fish have a gas bladder that can fill with air. This bladder has vascular tissue that fills the bag with oxygen, a gas gland that regulates the amount, muscle tissue that squeezes the bladder to let out air and nervous tissue that allows the fish to control the amount of air in the bladder. The gas bladder is an example of which level of organization in fish?

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.

1) clean up you lab area2) dispose of the chemicals as instructed by your teacher3) put everything back where it belongs unless your teacher tells you otherwise4) dispose of gloves5) wash hands with soap and water

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It would be like the 70's song "it's raining men".