Answer: The process that happens during primary wastewater treatment is:
A. Insoluble particles are removed by settling.
Explanation: Settling is an operation that removes suspended particles in the water to be treated.
Answer:
reduced or poor blood supply
Explanation:
Since errors in the repair of DNA breaks can generate instability in the genome, repair of these breaks is a highly regulated process.
It is, therefore, essential the existence of control mechanisms that detect errors in this process and stop the cell cycle to allow the cell to repair the breaks, and if this is not possible, to eliminate the damaged cell.
Answer:
The correct answer is option C) "Remora fish stick to large sharks, receiving a free ride and scraps of food the shark does not eat. The shark is neither helped nor harmed".
Explanation:
Commensalism is defined as a type of interspecies relationship at which one individual gets benefited and the other is neither benefited or harmed. An example of commensalism is the one between remora fish and large sharks. In this case, remora fish gets attached to the large sharks by an organ that acts suction cup. The remora fish gets benefited by receiving transportation, a food source and protection from predators, while the large sharks are neither helped nor harmed.
Answer:
d
Explanation:
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If secondary consumers are removed from the ecosystem, an ecological imbalance may be created. Secondary consumers are generally feed on other animals (primary consumers) Thus, on removing secondary consumers from food chain, there will be increase in population of primary consumers as a result all the grass and other vegetation will be eaten by the primary consumers. This will leads to desertification and eventually all the top consumers will also eliminated from the ecosystem.