How are all the species in a food chain similar to links in a metal chain? a. each species plays the same role as all the other species in the food chain. b. if one species is taken away, the whole chain will change or break. c. each species plays a different role from any other species in the food chain. d. there is an equal population of each species in the food chain.

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.

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.