What is an isolated system?
A. A collection of matter that does not interact with anything else in
the universe
B. The system in which collisions always occur
C. The forces that act upon an object in a collision
D. The intergalactic highway system

A. A collection of matter that does not interact with anything else in

the universe

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.