Mounting is a medium in which biological specimens are mounted for either preservation or display.
Immunological memory refers to the ability of the immune system to react previous antigen infections.
<h3>What are primary and secondary immune responses?</h3>
The primary immune response refers to the initial interaction between the immune system with pathogenic microorganisms (e.g., bacteria).
The secondary immune responses refer to the second contact with the same pathogenic organism, which enables to the organism create specific antibodies against this pathogen through a process called immunological memory.
Active Immunity is a term used to refer to a type of acquired immunity caused by previous exposure to a pathogenic microorganism and/or vaccine inoculation.
Immunological memory leads to a faster and better response of the immune system against pathogen reinfection.
In conclusion, immunological memory refers to the ability of the immune system to react previous antigen infections.
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An organelle that releases energy through a common biological process that is common to eukaryotes is the mitochondrion, this would be cellular respiration.
Answer:
When sand is already present in a valley and more sand is deposited on top, it becomes a sand dune. As more sand is deposited, the dune gets bigger. Slowly but surely, the sand fills up the valley, until the valley is non-existent, but level to the ground.
Options are:
A. a fish
B. an aquatic bird
C. a mosquito
D. a dragonfly
Answer: Fishes
Explanation:
A metapopulation can be defined as a small population that cannot itself make a large population that is stable.Many sub populations are connected intermittently to combine and form a population.
Small population of fishes would have been separated for most of the years and are joined by when floods occur and these populations are connected by kettle ponds.
Rest of the three organism like bird, mosquito and dragon fly cannot be separated so as to form a metapopulation.