Which of the following statements about prescribed burns is true? a. prescribed burns will always have detrimental effects on ecosystems, but should be used to protecthomesb. prescribed burns are necessary for preventing natural wildfires.c. prescribed burns can maintain healthy ecosystems.d. none of the above

your answer will actually be c. Prescribed burns can help maintain healthy ecosystems

Prescribed burns can help maintain healthy ecosystems.

Fire is a natural, common process in various ecosystems and is important to preserve a healthy forest and the quality of plant and animal growth. Many plants and animals have not only accommodated to fire but truly depend on it such as the lodge pole pine which requires fire to support in the scattering of its seeds. Naturally occurring fires also support to administer pests and disease under control by eliminating the pathogens contaminating a stand.

The correct steps are

Cutting DNA

Then pasting the DNA into the matrix

It is then introduced in the host cell

Vector DNA is isolated  

By the help of Restriction enzymes, DNA is cut into smaller pieces. Then the DNA is cut into fragments that has hundreds of bases, the restriction enzyme then cuts the DNA and all the pieces have different sequence of nucleotide.

Genetic engineering can be used in human growth hormones, making clones and many other useful things.