Human exploitation of fragile ecosystems can lead to the droughts and arid conditions characteristic of desertification. Effects include land degradation, soil erosion and sterility, and a loss of biodiversity, with huge economic costs for nations where deserts are growing.
Answer:
The correct answer is option B. favorable change in DNA of the insect.
Explanation:
At the point when a pesticide is first utilized, a little extent of the pest population may survive to introduction to the material because of their particular hereditary or genetic makeup. These surviving individuals pass along the gene resistance to particular insecticide or pesticide to next generation.
Upon introduction to pesticides, insects that don't have the resistance die eventually, in this manner permitting the insects with the resistance genes to endure and reproduce,creates more resistance insects.
Thus, the correct answer is option B. favorable change in DNA of the insect.
Having broken down walls of Glomerulus would cause blood to appear in urine because instead of only filtrate passing into the capsule, the blood would also flow into the capsule and be released with the urine.
Answer:
B. every cell of a multicellular organisms is responsible for movement
Answer: If there are 52 chromosomes then 51 chromosomes are autosomal and 1 pair will be sex related.
It is valid in diploid condition.
Explanation:
