The first trees evolved around 370 mya along a lakeshore at the foot of the caledonian range. how did these trees have a positive impact on plants and animals?

These first trees had a huge importance for the other plants and for the animals, and this was because:

- they managed to change the structure of the atmosphere by consuming, using, and storing carbon dioxide, and releasing oxygen, which made the atmosphere much more suitable for life.

- they managed to influence the climate, by making it more moist, and also making the ground bellow them cooler.

- they were producing large amounts of biomass, which made the soil types much richer in nutrients, which in turn enabled more and more plants to grow.

- they were a food source of the animals.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle

d. groundwater flows through the subsoil and deposits minerals.