Why are the stems of some plants empty in the middle?
If you cut the stem of a plant and observe its cross-section, you’ll find that the typical structure of a plant stem is as follows: The outermost layer is the …
Plant
The crop has no nostrils, so why do they keep breathing?
People constantly breathe in oxygen and exhale carbon dioxide. This is true for humans, as well as for animals like cows, horses, dogs, and pigs. However, it’s peculiar that crops, …
Since the earth’s center has gravity, why does the plant grow upwards?
Eighty years ago, the renowned British biologist Newton observed a peculiar phenomenon: when apples fell to the ground, he wondered why they didn’t go upwards. After conducting research, it was …
Why sprout face to the sun grow?
Eighty years ago, the famous British biologist Darwin discovered a strange phenomenon: seedlings of rice and wheat would bend towards the direction of sunlight when exposed to it. However, if …
Where did the first seed of the plant come from?
Many people like to ask questions such as: which came first, the chicken or the egg? Where did the first chicken egg come from? In the past, no one could …