<span>Atherosclerotic
peripheral vascular disease is symptomatic with at least 50% occlusion. The primary peripheral symptom, due to ischemia, is calf pain.
</span>This disease is a form of arterial insufficiency, which means that blood circulation through the arteries is decreased.<span>Other symptoms include painful cramping in the hip, thigh or calf muscles after certain activities, such as walking or climbing stairs (claudication)<span> and leg numbness or weakness.</span></span>
Answer:
Grinnell was the scientist who coined the term niche. An ecological niche the place where the species and their members live together. Niche is quite different from habitat.
Niche include all the things which have impacts on a population and population impact on its environment and other species in their area. So the ecological niche does not mean the volume of area a species occupies but also include its specific functional role in its community.
For example, a lake can be considered as a habitat for fish but a lake can provide a different niche for fishes. A big fish hunting a small fish in a portion of a lake is a niche and a small fish hunting an insect in another portion of the lake is another niche.
Answer:
A theory is why something happens while a lawsuit how something happens
UGC ACG UUA AUC there ya go