Only urchins were removed, which resulted in an increase in limpet population and decrease in seaweed cover.
- Sea urchins and limpets both consume seaweed, making them competitors for it. The limpet population grows as a result of the urchin removal, having a greater impact on the amount of seaweed present.
- The biodiversity of these settings can be wiped out if seaweed builds up in bodies of water. This issue arises when there is an overabundance of algae, which, in search of additional food, proliferate aggressively and cause pollution.
- Additionally, life might end where there is pollution. Hedgehogs and limpets can play a significant role in this situation because they feed on seaweed, which helps to control the problem of its excessive profusion.
- A lot of research has been done to determine the value of these two species in preventing pollution brought on by the growth of seaweed.
- When the sea urchins and limpets were removed in the study mentioned in the question above, seaweed cover rose significantly more than when only the sea urchins were removed.
- This most likely occurred because the limpet population expanded and the amount of seaweed was reduced when only the hedgehogs were eliminated.
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The right answer is NADP+.
Ferredoxin is an iron-sulfur protein that effects electron transfer in a large number of redox reactions in cell metabolism through Fe-S clusters whose iron cations oscillate between +2 (ferrous) oxidation states. and +3 (ferric). The first protein of this type was isolated in 1962 from the anaerobic bacterium Clostridium pasteurianum. A chloroplast-specific ferredoxin is involved in the cyclic and noncyclic photophosphorylation reactions of photosynthesis. In non-cyclic photophosphorylation, ferredoxin is the ultimate electron acceptor and reduces NADP + under the action of ferredoxin-NADP + reductase (EC 1.18.1.2) with FAD and a flavin group as cofactors:
2 ferredoxin- [Fe (2+) Fe (3+) S2 (-2)] + NADP (+) + H (+) ==> 2 ferredoxin- [Fe3 (+2) S2 (-2)] + NADPH .
6. a, 7. c, 8. b , 9. e , 10. d , 11. e, 12.c
Answer:
Phytoplanktons are microscopic creatures that are primary producers of oceans. Phytoplanktons take carbon dioxide from atmosphere to make their food and then they are eaten by some other animals of oceans.
Phytoplanktons are present in huge numbers in oceans and have a great contribution to the carbon cycle because it is responsible for the transfer of carbon dioxide from the atmosphere to the oceans.
Most of the carbon is released through combustion by animals that eat phytoplanktons but some accumulate in the ocean floor because some dead phytoplanktons settles down in the ocean.
