Answer: The given statement is True.
Food chain can be described as the sequence of transfer of energy and matter among different organisms present within an ecosystem.
It starts with producers ( occupying the first trophic level), which are consumed by consumers in a successive manner ( primary consumer→ secondary consumers→ tertiary consumer or decomposers).
Therefore, producers are beginning link in a food chain whereas decomposers occupy the last level in a food chain.
Smelt would have the quickest increase because the perch would no longer be eating them.
Answer:
Its Euglena
Explanation:
Shape change from normal elongated egg-shape to round-shape in stressful environment. These shape changes attain two transition phases. The I-transition phase is reversible where the organism can return to normal if favourable environment persists.
A team of scientists has consistently gotten the same unexpected results from a set of experiments. Then "Peer review of the scientific methods and data analysis" may helps the scientists to ensure the reliability of the results.
<u>Answer:</u> Option D
<u>Explanation:</u>
The roots of achieving unexpected results lie or depend on scientific methods used and analysis of data performed for acquiring results. Therefore when experiment results into unexpected readings researcher need to give a review of entire method and analysis.
Although rest other points like publication of results, discussing with friends and family members or removal of inconsistent data may or may not help depends upon conditions but reviewing helps as observed in many cases , because one must have performed unintentionally or intentionally an error while going through methods.
