The two-layered sac surrounding the heart is the pericardium.
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Explanation:
hormones are transported through blood to the areas where they are needed
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Answer:B
Explanation:
Its the extraction of energy from carbohydrates in the absence of oxygen.a metabolic process that produces chemical changes in organic substrates through the action of enzymes.
Answer:
Part A: Fossil Evidence
Part B: Biogeographical Evidence
Part C: Anatomical Evidence
Explanation:
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They are SIMILAR Because: all are covered with shallow layers of water during some or all of the year
They are DIFFERENT Because : bogs are found in cooler, Northern areas , tend to be acidic , and contain many mosses. marshes are usually grassy . swamps have many trees and shrubs, and are found in the warm and humid southern United States (:
