When conditions in the environment change, a lack of genetic diversity may be disadvantageous for organisms that reproduce asexually.
What is sexual reproduction?
A gamete with a single set of chromosomes joins with another gamete to create a zygote, which then grows into an organism made up of cells with two sets of chromosomes. Sexual reproduction is a type of reproduction that requires a complex life cycle. Mixing the genetic material from two persons of different sorts to create new living things (sexes). In the majority of higher creatures, the male sex generates a small, mobile gamete that travels to the larger, stationary gamete generated by the female to fuse with it (female).
What is asexual reproduction?Asexual reproduction is a form of reproduction in which the number of chromosomes or the fusion of gametes are not altered. The whole gene pool of their single parent is inherited by the offspring that are produced through asexual reproduction from either unicellular or multicellular organisms.
Thus from above conclusion we can say that when conditions in the environment change, a lack of genetic diversity may be disadvantageous for organisms that reproduce asexually.
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all cells are enclosed by a plasma membrane that is similar in and . question 14 options: thickness . . . composition permeability . . . content lucidity . . . texture structure . . . function
All cells are enclosed by a plasma membrane that is similar in structure and function.
Cell is the most basic unit of life. It is the building block of all the organisms. A cell is composed of cell organelles, cell membrane and cytoplasm. All of these components work together in order to keep the cell functional and alive.
Plasma membrane is the outer layer of the cell whose structure is composed of lipid bilayer along with proteins, carbohydrates and proteins. The function of the plasma membrane is to mediate the transport of molecules. The plasma membrane is semi-fluid in nature.
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osteoporosis is a disease that results in weakened, porous bones. it is most common in post-menopausal women. what type of change in bone cell activity could cause osteoporosis?
The decrease in estrogen that occurs during the perimenopausal transition period is what causes osteoporosis because it leads to a greater rate of bone resorption than bone growth.
What is osteoporosis?The hip, the backbone (spine), and the wrist are the areas of the body most commonly affected by osteoporosis, which is a disease that weakens the bones to the point where they shatter easily. Osteoporosis is sometimes referred to as a "silent illness" since its symptoms may not manifest themselves until a bone is fractured.
The deficiency of calcium during a lifetime is one of the factors that can contribute to the development of osteoporosis. A diet deficient in calcium has been linked to decreased bone density, an accelerated rate of bone loss, and an increased risk of fractures. Both men and women can experience bone loss if they severely restrict their food intake and maintain a low body weight.
Osteoporosis is caused by the drop in estrogen that happens throughout the perimenopausal transition phase. This decline promotes a larger rate of bone resorption than bone formation, which ultimately results in osteoporosis.
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