a scientific model is a model used to test theories. sometimes scientist use rats as a scientific model
Answer:
Species
Explanation:
Such as humans, we are a species because we all look similar and can reproduce with one another.
Answer:
c. bivalents.
Explanation:
In Meiosis a bivalents are formed during the first stage of meiosis which is the prophase. The bivalent consist of a paired chromosome and four chromatids i.e two chromosomes in a tetrad. one chromosome comes from each parent.
In mitosis, a bivalent is not formed. There is the presence of chromatids, homologs, centromeres and spindles during mitosis and meiosis.
I believe the answer is anaerobic respiration. Sorry if that’s wrong though! :)
