Energy is lost as you go up the trophic levels. Therefore the trophic level with the least amount of energy is the secondary consumers.
Note: I'm not sure where decomposers fall in the food chain. I did not say decomposers as they are and can be present in any trophic level.
Answer: The options are not given, here are the options.
A) the lack of an effective method to induce division of the product of the somatic cell fusion product
B) the difficulty in extracting nuclei from somatic cells
C) the lack of an efficient method for injecting the somatic cell nucleus into the egg cell
D) variations in the completeness of epigenetic programming of the somatic cell nucleus
The correct option is
D) variations in the completeness of epigenetic programming of the somatic cell nucleus
Explanation:
Nuclear transplantation method is the method in which the nucleus from a donor cell is removed and inserted in the target cell in which also it's nucleus has been removed or enucleated. The nuclear transplantations has slowed
embryologists to interfere the development of an organism and to study nucleus to direct development. It has been used for the cloning of several species.
Nuclear transplantation has failed in cloning because variations in the completeness of epigenetic programming of the somatic cell nucleus.
The right atrium recieves deoxygenated blood from the vien (vena cava) and the left atrium recieves oxygenated blood from the pulmenary vien i.e from the lung.
Answer:
"Sporophyte to spores"
Explanation:
"Sporophyte to spores" is the one among the following choices given in the question that shows a reduction of chromosomes by half. The correct option among all the options that are given in the question is the second option. I hope that this is the answer that has actually come to your desired help.