Because they are genetically diverse cells that are used in sexual reproduction
Answer:
In thermodynamics, a closed system can be described as a system which can exchange energy from outside but matter cannot be transferred from such a system. This means that the resources present on the Earth cannot be transferred or replaced and the waste can also not be removed. By understanding the concept of the closed system, humans should recognize the fact that many resources such as minerals present on the Earth cannot be replaced and hence, resources should be utilized effectively in a conserved manner. Also, as waste cannot be removed hence humans should stop forming such waste products which cannot be removed or recycled.
Those are both examples of ecological services!
Answer: The research of British naturalist Alfred Russel Wallace (1823-1913) played a pivotal role in developing the theory of natural selection. ... Wallace collected more than 100,000 insect, bird and animal specimens, which he gave to British museums. By 1855, Wallace had come to the conclusion that living things evolve.
Explanation:
Answer:
Photosynthesis releases energy, while cellular respiration stores energy. Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide. Cellular respiration stores ATP, while photosynthesis releases ATP. Cellular respiration produces oxygen, while photosynthesis uses oxygen.
