Chaparral biome is characterized by evergreen shrubs. They leaves are hard and they do not turn red or orange and eventually fall off in the autumn. So, in the winter, these shrubs leaves will remain green.
Answer:
Correct option is (B) False.
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Answer:
Pericardial sac has protective tole
Explanation:
Pericardial sac or pericardium is a fibrous tissue that surrounds the heart. It has two coats:
- the outter coat-parietal pericardium
- the inner coat-visceral pericardium or epicardium which is double-layered and contains pericardial fluid between those two layers (pericardial fluid is necessary as a lubricant for the heart movement).
Besides lubrication, percardium also protects heart from infections, fixes it and limits its movements.