The right answer is A. producer.
Phytoplankton are all cyanobacteria and microalgae (microscopic plants) present in surface waters and drifting with the currents. Unknown because invisible to the naked eye, phytoplankton is the lung of our planet. Thanks to photosynthesis, it produces more than half of the Earth's oxygen and consumes half of the carbon dioxide. Phytoplankton is essential for marine life because it is also at the base of the ocean food chain.
Answer:
All choices are correct
Explanation:
The most well known was a botanist who studies plants too realized that plats,living things are made of cells so most likely the answer would be all living things are made of cells
I hope this helps, I am only in the 7th grade and this was pretty easy to me
B.
The radiation present is likely to cause genetic mutations.
To understand the environment of the fossilized organism to see what it would have ate or drank anything. in the surrounding area.