The continued presence of vestigial structures suggests that these structures do not have a great impact on fitness, like in the whale, because even with these structures, the whale has been able to survive and reproduce.
Magnesium is the major mineral which is important for nerve and heart functions. It is a co-factor for over 300 enzymes. It is a major constituent of bone and is found in whole grains and vegetables. Sudden heart attacks may be due to the low level of magnesium. It can be obtained by consuming rice bran, sunflower seed, wheat barn and linseed meal.
Answer:
The cardiovascular system helps maintain homeostasis by continually supplying the central nervous system--the brain and spinal cord--with oxygen and glucose. Brain cells start dying after just one minute without oxygen. The brain is the control center for all of the body's homeostatic processes.
Answer:
The correct answer is - option D.
Explanation:
According to some scientists, a climate of a region is an average of the weather for a specific region for a particular period, which is more often 30 years or over.
SO, according to the options and the given information above, the measuring average temperature for 30 years of the month of July is most helpful in analyzing the climate of a specific region.
Answer:
Plant 1 grew steadily. Plant 2 grew quickly at first and then stopped growing.
Explanation:
You can tell that Plant 1 grew steadily because the growth for the plant can almost be represented by a linear equation. You can tell that Plant 2 grew fast at first and stopped growing because of its increase towards the beginning on the graph and how the line because horizontal later on. I hope this helps!!!
