If you meant to add a page, you didn't. You might need to re post the question.
Answer: One of the primary differences between DNA and RNA is that DNA is double-stranded while RNA is single-stranded.
Answer:
Mesophyll is not a tissue technically speaking. It's just a place, a specific area. Or you can even think of it as the set of all tissues in a given area.
Phytoplankton - zooplankton- small fish -mammal
This is the food chain of the organisms.
From phytoplankton,which are microorganism, they are eaten by zooplankton. Zooplankton are heterotrophic planktons such as jellyfish and forams. Next to this is small fish, they eat those zooplankton. Lastly, the mammals will eat those fish.
Hypothesis - The temperature falls with the increase in the altitude
Observation - The average temperature on the plain is 20 degrees Celsius
Question - B. Why it snows on the mountain?
Result - C. Graph showing fall in temperature