<span>A(n)PRIMITIVE CHARACTER is one present in the common ancestor and all members of the group
Primitive character is also known as ancestral character in phylogenetics. It is defined as a characteristic that has undergone little change since time immemorial and is inherited from a common ancestor of a clad.
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You need organisms like some are in plants and without Plants how will the animals eat
Answer: Photosynthesis is the process of when a plant makes it's own food, and the main goal is to convert solar energy to chemical energy.
Explanation: Plants use photosynthesis by taking the sunlight, to synthesize foods from carbon dioxide and water. Since plants can't move and consume other organisms, they use photosynthesis. The formula is:
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Like I said, the main goal is converting solar energy to chemical energy then store the chemical energy for future use, for example it can be used for Chemical batteries, Natural gas, Heat, Food, etc.
Hypertension is known as abnormally high blood pressure.
Kidney disease can also cause high blood pressure.
I am not sure exactly what you're asking but I hope I helped.