Answer:
True
Explanation:
In vitro fertilization refers to the laboratory techniques by which a woman's egg is fertilized by injecting a man's sperm in order to develop an embryo outside the body. Subsequently, this embryo can be then implanted into the female uterus to continue with its development. Nowadays, it is possible to decide the stage of development in which the fetus (developed from an embryo) is transferred to the uterus. This situation raises ethical, moral and legal concerns about when a fetus can be regarded as a human being.
Answer:
The correct option is D. Drug-resistant populations of microbes arise when exposure to drugs selectively kills sensitive cells, allowing overgrowth of resistant cells.
Explanation:
Drug- resistance can be described as a mechanism through which an organism can overcome the effect of a drug.
Usually, exposure of a drug again and again to a population of microbes will make the microbes resistant to that drug. The cells of the microbes undergo some change to overcome the effect of that particular drug.
A population of drug-resistant microbes might occur when the sensitive microbes get killed by the drug and resistant strains remain alive.
Answer:
D
Explanation:
the picture has ripples and is dry and cracked, hence the envirmoment having to be dry and windy.
