The Brain is the only system that doesn't replace cells when lost
Answer:
i think its nearby PLANTS
Explanation:
plz mark brainliest
"Which of the following..." indicates that you had a list of answer choices. There are a couple of different names for D, and without those choices, it is impossible to know exactly which of the possible names is correct. It could be brainstem, it could also be the medulla or the medulla oblongata.
The expression of certain genes at different levels may cause color variation in the butterfly wings.
<h3>What is gene expression?</h3>
Gene expression is the cellular process associated with the transcription of certain genes in particular cell types.
In this case, the trait color in butterfly wings is associated with the differential expression of certain genes during development.
The variation in color may be due to the expression of different alleles in butterflies or the same allele at different levels.
Learn more about gene expression here:
brainly.com/question/20682055
The experimental group is the group given calcium. The control group is given a placebo.