The answer is A. They produce food by photosynthesis.
The function of leaves is taken on by stems of such cacti.
Answer:
The correct answer to the following question will be "Limestone".
Explanation:
- Carbon dioxide has always been typically accumulated throughout the ocean by organic compounds, whether as gasification agent or, throughout a longer period, as carbonate rocks elsewhere in the seafloor.
- When individuals die, everyone's shells fall straight to the bottom including its ocean's surface and thus become sediments including limestone as well as organic cement.
So that the above would be the right answer.
The answer TRUE they do not have a fossil record.
Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.