What is diffusion? * the movement of molecules against a gradient
the movement of molecules with low to high gradient
the movement of molecules with a gradient
the movement of molecules across into and outside our body

answer; i believe the correct answer is (sporophyte);

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.