When a mutation has an effect that helps a species adapt to an environment, and specimens of both genders have it, it will end up taking over, causing evolution to gradually happen.
Most organisms rely on the sun as a primary source of energy
The sentences that make sense are "Volatile liquids are flammable" and "Liquids burn easily."
I think the correct answer from the choices listed above is option B. A modification of the leaves into the spine in a cactus plant can be seen The spines are modified leaves. It helps defend the plant and also reduce the surface area which helps limit loss of water.
Answer:
A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal. Answer: ... The saliva contains an enzyme salivary amylase (ptyalin) which converts starch in roti into maltose, isomaltose and small dextrins called a-dextrin.
Explanation:
