Earth's history. In the worst one, 250 million years ago, 96 percent of marine species and 70 percent of land species died off. It took millions of years to recover.
This implies that the gametophytes can easily lose water to, and absorb water from, the atmosphere.
Moss is a flowerless, spore-producing pant. The main moss structure is the gametophyte, a moss's stem and leaves. A moss stem also the axis supports leaf-like structures that carry out photosynthesis, transforming sunlight into sugars the moss uses for food.
Answer:
Axon is responsible for the quick transmission of the nerve impulse.
Explanation:
The mitochondria breaks down food into molecules the cell can use.
