Answer:
Parasitism is a relationship between two different organisms where one of the organisms actually harms the other through the relationship. The organism that is harming the other one is called a parasite. Examples of Parasitism: Fleas or ticks that live on dogs and cats are parasites.
Brainlist?
<span> A cell typically expresses only a fraction of its genes and the different types of cells in multi cellular organisms rise bc of its different set of genes are ex-pressed
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Answer:
DNA extraction is the first step in the genetic engineering process. In order to work with DNA, scientists must extract it from the desired organism.
Answer:
Lymph nodes absorb excess fluid from blood
Explanation:
Lymph nodes are part of lymphatic system. Lymph nodes perform two main function; one is to enhance the immunity by producing immune cells, and other is to absorb excess fluid that is continuously leaking from blood vessels. this fluid includes water, protein and other substances too. Lymph nodes are rich source of immune cells too.