Answer:
Excretion is a process by which metabolic waste is eliminated from an organism. In vertebrates this is primarily carried out by the lungs, kidneys and skin. This is in contrast with secretion, where the substance may have specific tasks after leaving the cell. Excretion is an essential process in all forms of life.
Explanation:
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Answer:
energy is lost in the food chains so many secondary consumers cannot be supported
Answer:
D- are small in size, and have highly effective means dispersing their seeds.
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Answer:
water is denser than air and sound waves require a substance to travel through. when the substance is denser, the sound is amplified and carries farther. This excessive noise can be severely damaging to marine life's ears
Explanation:
Blood is a mixture of a variety of materials. Some of the materials are dissolved in the fluid portion of blood. Other materials, such as blood cells, do not dissolve but move along with the blood.