How are predation and competition essential for maintaining a thriving ecosystem?

answer; i believe the answer is hydraulic action;

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint