Stomach, small intestine, big intestine. The digestive system digests the food that is eaten by the animal and intakes all the enzymes and vitamins that are essential for the organism.
No. Look up what a notochord is, vertebrates cannot have a notochord during embryonic development, as all nutrients flow into the blood stream, or stomach. Notochords are in between the mouth, and stomach. Which would NOT be used during development
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor
Answer:
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B because the burning of fossil fuels release greenhouse gasses
