4. Which of the following determines the chemical reactivity of biological molecules?
a. isomers
c. number of carbon atoms
b. functional
groups
d. length of the hydrocarbon
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.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

light dependent reactions:

light independent reactions:

hope this !

the answer would be d : p