The technological advancement that was needed to be made before scientist began to observe cells was the invention of the microscope. I have answered this question before on here
Answer:
Option B
Explanation:
In the book The Descent of Man published in 1871, Charles Darwin mentioned that the two recent most ancestor of present day human being live in Africa. These two recent ancestors of human beings are—chimpanzees and gorillas
Hence, option B is correct
The plants observe carbon dioxide from the soil into the roots and transfer to the leaves where the photosynthesis process occurs. In the final stage of the photosynthesis, carbon dioxide in output oxygen to the atmosphere.
Animals and humans absorbed oxygen and transport it to carbon dioxide so the plants can absorbed the carbon dioxide from the atmosphere to photosynthesis .It is process that the plants does to survive and benefit the others living things.
Answer:
The answer should be By growing sharp, stinging hairs over their bodies.
Explanation: