Which type of study design is used in the following scenario:
a researcher interested in the incidence of chlamydia enrolls 1,000 college seniors. sexual habits are identified at baseline and every 6 months thereafter for four years. new cases of chlamydia are recorded over the four year follow-up period.

it is a

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.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this