What is needed for work to be done?

In order for work to be done on an object, what must happen to the object? A force must be applied to the object and the object must move at least partly in the direction in which the force is applied.

Explanation:

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.