Answer:
<em>Hypotheses may vary. Most students will probably state that ecosystems at
</em>
<em>high altitudes will support little vegetation. </em>
Explanation:
Ecosystem distribution is different at different places. Regions at high elevations might usually have low varieties of plants and animals but it cannot be true for every ecosystem located as higher altitudes.
Some communities might be well adapted to live in the cold and hence progress rapidly.
The characteristics of T lymphocytes that are involved in specific immunity includes;
They mature in the thymus
They move freely among lymphoid tissues and connective tissues
They are responsible for cell mediated immunity.
Specific immunity is a subsystem of immune system that is comprised of highly specialized, systemic cells and processes that prevent the growth of pathogens or eliminate them from the body.
In what organisms are you referring to?
Pigments absorb light used in photosynthesis.Set of wavelengths that a pigment doesn't absorb are reflected.
when cells spilt into 2 or more new cells