Sonar sends sound waves to the bottom that bounce back and tell the machine how far away the object is based on how long it takes for the sound wave took to come back.
Answer: Cytoplasm, the semifluid substance of a cell that is external to the nuclear membrane and internal to the cellular membrane, sometimes described as the nonnuclear content of protoplasm. In eukaryotes (i.e., cells having a nucleus), the cytoplasm contains all of the organelles.
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white blood cells are immune system cells that protect the body against disease and foreign invaders they’re generally the largest cell types found in the blood
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There are 5 prezygotic isolating mechanisms. These are...Mechanical Isolation, Temporal Isolation, Behavioral Isolation, Habitat Isolation, and Gametic Isolation. You may also see Geographical Isolation, Ecological Isolation, or even Time.
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Look at your options and choose the one that I HAVE NOT listed.
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