Answer:
filamentous algae
According to 2 sources
Spirogyra is a filamentous algae, commonly found in freshwater ditches and ponds. Go through this article for a brief overview about these algae. Spirogyra is also known as pond silk, as its filaments shine like silk due to the presence of mucilage. The outer cell wall has pectin which dissolves continuously, thereby producing the mucilage
Answer:
the answer is d
Explanation:
i answered a on a test and i got it wrong,and it said that d was the correct answer.
Answer:
hi i am not in high school i am in middle so can you hit the thanks button please
Explanation:
thanks
Answer:
It is easier to reach a conclusion of causation from an experimental study than from an observational study because an experimental study is backed by evidence whereas an observational study is speculative.
Explanation:
An observational study is based on what appears to the eyes whereas an experimental study has facts and logical proof to connect the hypotheses to the conclusion. Before conclusions are reached in experimental studies, tests are conducted and stakeholders who are representative of the population are surveyed to obtain accurate data that can be further analyzed.
Observational studies are simply speculative and based on guesswork that cannot be relied upon.