Its the barrier it proctects the cell and makes sure nothing goes in and nothing goes out
In a human female reproductive system, the OUTER FEATURES ARE COLLECTIVELY CALLED THE VULVA. The vulva is the external anatomical structure of the female reproductive system. The opening of the female urethra is also located at the vulva, thus, the vulva also helps in urination in female.
The mean rate of photosynthesis when the carbon dioxide concentration was 0.2% is 8 .
<h3>What is photosynthesis?</h3>
The process of photosynthesis is defined as the green plants prepare there own food in the presence of sunlight and during this process heat energy is converted into chemical energy is known as photosynthesis. The process is takes place only in green plants as they contain chlorophyll.
The plant use water, carbon dioxide, nitrogen in the form of nitrates, sunlight and sugar as the source of energy to prepare its own food. Plants prepare there own food so they are known as autotrophs.
Therefore, The mean rate of photosynthesis when the carbon dioxide concentration was 0.2% is 8 .
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Here are some of the themes in biology that come up again and again:
-cellular basis of life
-information and heredity
-matter and energy
-development and reproduction
-homeostasis
-evolution
-structure and function
-unity and diversity of life
-interdependence in nature
-science as a way of knowing
The main difference between sexual and asexual reproduction. Sexual reproduction just means combining genetic material from two parents. Asexual reproduction produces offspring genetically identical to the one parent.