Mutuaism
because they both benift from each other
Answer: [B]: " a muscular foot ".
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"Every mollusk has a head, body, and <u> muscular foot </u> . "
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During extracting DNA from cheek, it is a classroom and standard protocols to students to used sports drink in their mouth as they scrape the inside cheek than water. The reason for this is the sports drink contains salt and concentration which is compatible with the cells inside the cheek. Additionally, another reason is sports drink prevent cells from damaging or breaking apart and releasing DNA before getting a sample.
Answer:
The phenotypic ratio is the distribution pattern (expressed as a ratio) of the physical characteristics in the offspring obtained after a genetic cross. So, genotypic ratio and phenotypic ratio are the two types of genetic ratios used to express the genotype and the phenotype of offspring from a genetic cross.
Explanation:
This is from biologyonline.com