William Smith and Georges Cuvier
DNA has sequences that mRNA finds the pair for (ex. DNA says AGC, RNA says UCG)
with that, they only come in 3 nucleotide increments.
Answer:
B. Cartilaginous fish
Explanation:
Sharks have a cartilaginous skeleton. Cartilage is less dense than bone which allows sharks to move quickly through the water without using too much energy.
According to the theory of vitalism all the living substances are special and are distinct from the non-living substances, that is, they comprise a unique entity within themselves. This soul or entity distinguishes them from the non-living components.
However, the theory was rejected when urea was taken out successfully from a non-living matter by Wohler, proving the fact that the biological constituents can be extracted from a non-living source. The modern scientists now believe that the living things are just more composite than the non-living substances.
For the first question the answer is Linnaeus
For the second question the answer is D, Organisms can be classified based on similar traits
For the third one the answer is C, the black snakes will survive and reproduce passing their traits to their offspring...
For the last one it’s A, some insects in a population survive temperature changes and pass their traits on to their offspring
Hope I helped!!