By using the energy of sunlight, plants CAN convert carbon dioxide and water into carbohydrates and oxygen in a process called photosynthesis.
Asphotosynthesis requires sunlight, this process only happens during the day
While a constant supply of freshwater happens by itself in natural streams, an aquarium is by definition, a closed system. So here, man has to help out in order to provide new..
Answer:
i think its D cause in my opinion there have no similarities with each other... but im not sure
Answer:
It's 3!
Explanation:
There must be genetic differences so the best fitted organisms will survive. If they were all the same then no one would be best fitted and Natural Selection wouldn't be able to occur
It's not 1 because a food shortage isn't required, there's always competition for food sources
It's not 2 because there doesn't need to be a change in the environment for natural selection, just for evolution.
And it can't be 4 if 1 and 2 are wrong!
Hope this helped!
