The best answer would be:
Osteoarthritis
<span>It is when the person experiences too much weight bearing activities, which may cause the wear and tear breakdown of the joints. This worn bone may be a foreign material when identifying the joint erosion.</span>
Answer: The correct option is A.
Biosphere and ecosystems
Explanation:
This is because Biosphere and ecosystems include non living things and biosphere is the layer of the ecosystem that consist of both living and non living things.
Ecosystem consist of a area which consist of living things like plants, animals e t.c interacting with the non living part of the environment I e physical part which include temperature, soil e.t.c.
It has less dense region and it is almost 3 dimensional.
Ans. (A).one species would be force to leave.
A niche is defined as a specific area, where an organism lives and interacts with all the abiotic and biotic factors that affect it.
Two organisms cannot survive in the exactly same habitat as they will compete for same resources, so one will die). Hence, one of the two competing species gets evolved to use a different niche and uses different sources. This is known as resources partitioning and helps the organisms to coexist by reducing competition between them.
Thus, the correct answer is option (A).