Answer: Native species can be the hardest to explain. Simply put, natives are species that are from a particular place without human intervention–humans didn’t put them there directly or indirectly. Digging into that a bit means that “native” can vary a lot based on what scale one is considering, and whether or not there are records of pre-settlement organisms (think fossils). As with anything, there are lots of other names for native, like “indigenous.” Non-native species spread by natural process or human activities. ... When an exotic species becomes harmful to the ecosystem, it is called an invasive species. The main difference between exotic and invasive species is that exotic species is harmless to the ecosystem whereas invasive species is harmful to the ecosystem.
Explanation:
This question is unfortunately incomplete. The burning of coal containing sulfur can lead to the release of sulfur oxide compounds to the atmosphere. These compounds <span>combine with atmospheric water to form sulphuric acid. Sulphuric acid lowers the pH of atmospheric water vapour, and during rainfall events, precipitated rainfall will be of a low pH (acid rain).</span>
Chemotherapy targets fast growing cells , including cancer cells ,skin cells, Gastro intestinal cells, blood cells etc.
Explanation:
- Chemotherapy refers to use of chemicals to treat diseases like, cancer.
- This procedure involves the use of cytotoxic chemicals that inhibit mitosis.
- Drugs used in Chemotherapy principally target fast growing cells of the body .
- Thus along with cancer cells these drugs also effect normal body cells such as , blood cells, skin cells etc.
- Damage to blood cells weakens the immune system and the patient is susceptible to other diseases also.
- To avoid such situation chemotherapy is accompanied with other combination medicines.
- Even after having several side effects chemotherapy is suggested as most suitable treatment to reduce symptoms of most type of cancer because it involves the introduction of drugs into the blood and thus can be targeted to any anatomical location in the body.
Explanation:
A leaf of the embryo of a seed plant, which, upon germination, either remains in the seed or emerges, enlarges, and becomes green; a seed leaf.
Its types are monocots and dicots
Answer:
Voluntary muscles or striated muscles are those which are in our control.
ex, biceps, triceps, upper part of oesophagus., tongue.
On the way, the involuntary or non striated muscles are those which are not in control.
Ex, full ice of blood capillaries.
