Which type of relationship exists between the algae and fungi that form lichen

Mutualism type of relationship exists between the algae and fungi that form lichen.

Explanation:

In algae and fungi, Mutualism type of symbiosis is present. In Mutualism, both the organisms that is algae and fungi gets benefits from each other. Fungi absorb water and nutrients from the environment and supply these nutrients to the algae. Algae produce food materials and provide it to fungi.

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.