Answer:
The flow of energy in the ecosystem is generally unidirectional and there is loss of energy across each trophic levels successively.
Explanation:
The entry of energy occurs in the form of sunlight which is process by the plant through photosynthesis resulting in formation of nutrient essential for survival of plants. This plant energy then moves to the living organism feeding on it such as primary consumer. Here most of energy is used up and some energy is lost as heat. Likewise in the case of secondary consumers and tertiary consumers energy is used up with loss of some energy as heat at each level. The energy flow is unidirectional in the sense that it cannot be used back by the plant from the consumer levels. Thus the energy flows successively with loss at each level as heat.
Many textbooks use what is called the folding test to find lines of symmetry of plane shapes. This tests says that when the folded part sits perfectly on top so that all the edges are matching, then the fold line is a line of symmetry. If we use this definition, then a diagonal is not a line of symmetry of a rectangle.
The loss of chloroplasts would have a direct impact on a green plant's ability to carry out photosynthesis, which is the process by which plants convert light energy into chemical energy.
Photosynthesis is the process by which plants, algae, and some bacteria convert light energy from the sun into chemical energy, which is stored in the form of organic compounds such as sugars, starches, and cellulose. This process occurs within specialized organelles called chloroplasts, which are found in the cells of green plants and algae. Without chloroplasts, a green plant would not be able to carry out photosynthesis and generate the chemical energy needed for growth and survival. As a result, the plant would gradually weaken and die as it was unable to produce enough energy to maintain its cellular processes.
Hence, the loss of chloroplasts would have a direct impact on a green plant's ability to carry out photosynthesis.
Learn more about photosynthesis here.
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A method that modifies the gene structure of a person to treat and cure illness is called gene therapy.
The correct answer is:
The explanation for this is:
Therefore, gene therapy is a form of genetic engineering that replaces mutated genes to cure diseases.
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Answer:
Gene therapy is a form of genetic engineering.
Gene therapy is an attempt to cure diseases.
Gene therapy involves replacing mutated genes.
Explanation:
Answer:
The difference between mitosis and meiosis is that....
Mitosis produces two daughter cells with the same number of chromosomes as the parent cell.
Meiosis results in four daughter cells harboring only half of their parent's chromosomes, which underwent recombination.
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Nerve and muscle are the cells that no longer undergo mitosis.
A cell must go through either mitosis or meiosis in order to divide. Since neurons are somatic cells, they must go through mitosis. Centrioles must travel to the poles and generate spindle fibers that pull the chromosomes in order for mitosis to take place.
Neurons cannot undergo mitosis because they lack centrioles, which prevents them from dividing.
In our nervous system, each nerve cell has a unique location. Its sole responsibility is to transmit a signal from one place to another. In a particularly complicated system, adding more nerve cells might disrupt these extremely precise connections.
Therefore, Nerve and muscle are the cells that no longer undergo mitosis.
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Answer:
Understanding how genes and the environment come together to shape animal behavior is also an important underpinning of the field. Genes capture the evolutionary responses of prior populations to selection on behavior. ... Many scientists study animal behavior because it sheds light on human beings.