They are a part of primary succession. :)
Answer:
The thymus gland can be described as a gland that functions both for the endocrine system and for the immune system.
In the immune system, thymus gland plays a vital role in the development of the T-cells. If thymus gland wouldn't be there, then there will be a reduction in the T- cells of the body. Hence, the immunity of the body will be suppressed.
The thymus, till the time it is active, also protects the body from autoimmunity. If thymus is absent, then there will be suppressed autoimmunity in the child.
Prokaryotes have no nucleus therefore the prokaryotic chromosome or DNA is dispersed within the cell and is not enclosed by a separate membrane. In eukaryotes the chromosomes and DNA is located in the nucleus.
Explanation:
Survival of the fittest is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection.In On the Origin of Species, he introduced the phrase in the fifth edition published in 1869, intending it to mean "better designed for an immediate, local environment".
Bacteria will multiply so fast between
41-135 degrees Fahrenheit. Bacteria
can grow rapidly in the TDZ, also known as the Temperature Danger Zone, which
is 41f - 140f. Generally 37 degrees - body temperature. However some,
such as fungi, prefer lower temperatures as they are found on the outside of
the body. Similar some bacteria.
