1. a fish that has a flexible skeleton made of cartilage is known as a . 2. a row of organs that are sensitive to changes in water pressure is called a . 3. a fish that has muscular pectoral and pelvic fins supported by rod-shaped bones is known as a . 4. movement of the allows some fish to breathe without swimming. 5. a fish that has a bony skeleton and thin, flexible supports in its fins is known as a . 6. the gas-filled sac found in many fishes is called a .
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2polhiswhere is the energy in a glucose molecule stored? ooa. inside the carbon atomsb. inside the protonsc. in the bonds between the atomsood. inside the hydrogen atoms
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Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.
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Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from
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1. a fish that has a flexible skeleton made of cartilage is known as a . 2. a row of organs that are...
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