Answer:
Gills
Explanation:
Sharks are fishes and thus have gills through which they absorb oxygen from the water.
On the other hand, Whales being mammals use lungs to breathe. They can’t directly obtain oxygen from water.
The answer is C. A theory is an idea intended to explain why something happened. It may have not been proven correct e.g. Darwin's theory of evolution
Answer:
The correct option is D) The birds have different mating seasons.
Explanation:
Organisms belonging to the same species will have the ability to reproduce and produce fertile offsprings. As the birds have different mating seasons, this means that the birds are not able to mate and reproduce at the same time. Thus phenomenon supports the second student's argument.
Answer:
Option D, DNA from a dead organism can become active in another organism
Explanation:
It has been established by a famous researcher Soren Overballe-Petersen that some parts of our body never die. This is because the even though the organisms die, its genetic components such as DNA or part of it remain active and if these are fed into any culture , they are adopted by the genomes of the cells in the culture.
Hence, option D is correct
If this is a true or false, question I will help you by saying that this statement is FALSE.