Answer:
Autotrophs make their own food through the process of photosynthesis. They use sunlight, water and carbon dioxide to produce glucose and oxygen.
Plants are the most common autotrophs, but algae and cyanobacteria are also autotrophs.
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They all use the same set of nucleotides. The following nucleotide codes are A,C,G,T or U. In all <span> all living organisms.</span>
The natural extinction rate defines background extinction
<u>Explanation:</u>
Extinction endured primarily control of paleontology. Background extinctions are the continuous importance of common environmental variations, local disasters, or inter species conflict. Background extinction is principally a local appearance. It happens only one or a few species at any time, habitually inside a distinct area.
Ecologists measure that the present-day extinction rate is 1,000 to 10,000 times the background extinction rate between one and five species per year because of deforestation, environment loss, over hunting, pollution, climate modification, and other human activities.
16 C. Animals only
<span>17 D. Photosynthesis </span>
<span>18 C. Glycolysis </span>
<span>19 </span>
<span>20 A. ATP synthase </span>
<span>21 C. Carbon-based molecules from food and oxygen are used to make ATP </span>
<span>22 D. Pyruvate, NADH, and ATP </span>
<span>23 </span>
<span>24 A. across the inner mitochondrial membrane. </span>
<span>25 B. To pick up electrons at the end of the electron transport chain</span>
