Answer:
The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants. They make their own food.
Explanation:
Answer:
The correct answer is option 3. a nucleus.
Explanation:
The first genetic material present in the early organisms were RNA which was present in the microscopic organisms back then 3.5 billion years ago which means it is normal to have RNA in such microfossils chemical analysis.
Since, the nucleus was not present in early life forms of prokaryotes like bacteria. so, it is unusual to find nucleus in the fossils of stromatolite rocks.
Thus, option III is the correct answer.
Answer:
I am not sure what you are asking????
Explanation:
if it is multiply choice then I would c and e
the bilateral infection on the testes from mumps can result to Infertility examples in the males who are past puberty and develop mumps, about thirty percent of these infection in these males will develop to orchitis which develop resulting to testicular atrophy.
<span>Active transport is a process that removes substances from a cell against the concentration gradient. The molecules move from low concentration to high concentration during this process.</span>
