Answer:
Gene. A segment of a DNA molecule (a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual.
Explanation:
A fish with gills,
A leopard with spots
A bird with its feathers
Answer:
The correct answer is option D. the adaptive immune system.
Explanation:
The adaptive immune system is the immune system that takes place after the first exposure to a specific antigen either from vaccination or a pathogen. Adaptive responses are of two types: the cell-mediated and humoral immune response, the cell-mediated immune response occurs with the help of T cells, and where is humoral immune response is B cells and antibodies.
Vaccination targets the adaptive immune system as they produce antibodies against the pathogen provided by vaccination.
Thus, the correct answer is option D. the adaptive immune system.
A tissue is different from an organ because an organ is made up of a group of tissues working together to do a specific job. While an organ is made up of cells that are working together to do a specific job.
They are similar by both of them working together to accomplish specific functions.
Just in case, an example of an organ is a heart.
hope this helps
