Answer:
A 39
Explanation:
The sex chromosomes is always half of it original chromosome
Answer:
Scientists learn a number of things about the classification of amphibians is that there are three categories of amphibians that are different from one another.
Explanation:
Amphibians have three categories i. e. the first one is frog and toad, the second one is salamander and the third one is newts and caecilians. All of these have one thing in common that they require water for their survival. They are the organisms which are capable of living on both land and water environment. About 6,200 species of amphibians were discovered by the scientists.
Answer:
The spikes would be pointed and long, strong, to be able to break the surface of the marble and the particles.
Explanation:
The adaptation of the beaks is the selection of the fittest, in nature the species that best adapts and evolves according to the changes in the environment that surrounds it survives.
This was mentioned by Charles Darwin.
The answer is b) proteins because amino acids are the monomer of proteins. Many amino acids are joined together in what is known as a polypeptide chain, which forms a protein :)
Answer:
False
Explanation:
Chronic fatigue syndrome refers to the condition of continuous or long term tiredness which is not corrected with the sleep.
There are many causes of such type of tiredness but the exact cause of the fatigue is not known as this symptom is common to many disorders. The main causes of chronic fatigue are the weak immune system, pathogens and the stress which is increasing with modernisation.
Since there are many causes of the fatigue syndrome therefore only repeated daily activities is not the only option and thus is false.
Thus, false is correct.
