our thyroid glands plays a main role in a human body. It secretes thyroxine and calcitonin. In which thyroxine help in growth and cellular metabolism and calcitonin helps to regulates calcium concentration in blood . If thyroid gland stops working then there is low level of calcium in our blood, which leads to mental and hormonal disorder. In this way a person's blood calcium level would be affected if his/her thyroid gland stops working.
Answer:
Chlorophyll
Explanation:
The chloroplasts is the organelle that process sunlight energy. Chlorophyll is the pigmentation within plants that absorbs sunlight
Blastocyst . Why ? Because Each of those cells will eventually become a different part of the baby's body as they each multiply, creating muscle, bone, and organ tissues.
The appropriate answer is C. ANCESTRAL FINCH. The study of these birds on the Galapagos island led to Darwin proposing his theory of natural selection. Darwin collect and preserved samples of the finches he observed while on his travels.
He did not observe anything unique about the birds until after he returned home. He focused on the differences in the beaks of the birds. It is then that he started to work on his revolutionary theory.
Answer:
Both A and B
Explanation:
Burning fossil fuels produces carbon dioxide.
Cellular respiration produces carbon dioxide.
Both produce carbon dioxide.
Both A and B.
