Answer:
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections.
Answer:
When any pathogen enters our body , our immune system in response to pathogen releases antibodies. But if it fails , antibiotics are given.. Thus the resistance to antibiotic comes and so quickly
b. Cretaceous
c.Triassic
d. Jurassic
Answer: Malnutrition
Explanation: When a surgeon cuts an area of small intestine then the main problem that can be faced is malnutrition.
This is because small intestine is the main organ for the absorption of nutrients in the body.
If it is cut down then the absorption of many nutrients, vitamins an minerals will be affected.
The correct answer is malnutrition.
reintroduction programs
c.
habitat fragmentation
b.
exotic species
d.
edge effect