Which of the following describes how bacteria can receive or exchange genetic material? (a) in transformation, some bacteria pick up pieces of dna from the environment. (b) in conjugation, two bacterial cells temporarily join and transfer genetic material between them. (c) in transduction, viruses infect bacteria, carrying gene from one cell and injecting them into another. (d) all responses apply

wait any answer choices plz

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.