Can you recognize a plant cell? Learn about distinguishing a plant cell from an animal cell, on this Moment of Science.
When it comes to ocean life, you might assume that the real action occurs down in the depths. After all, that’s where sharks, whales, octopi and other stars of sea do their thing, not to mention the truly weird and wonderful creatures that inhabit the ocean floor.
Carnivorous plants still rely on photosynthesis as their main source of energy. However, because they grow in areas where the soil lacks essential nutrients, they use the insects they capture as a source of nitrogen and other minerals.
For many scientists, a species’ success is measured by sheer numbers. In that case, the most successful species known to man is a type of bacterium known as S-A-R-11, or SAR-11 for short. Scientists estimate that there are two-hundred and forty times a billion billion billion SAR11 cells floating around in the oceans. Now that [...]