From the bottom trophic level to the top trophic level, the number of organisms decreases. Because there are fewer organisms present in each trophic level, there is typically a smaller amount of biomass in each level as well. Each trophic level in a food chain or food web can be represented in the ecological pyramid.
Answer:
B. Three
Explanation:
Messenger RNA : mRNA : Encodes amino acid sequence of a polypeptide.
Transfer RNA: tRNA : Brings amino acids to ribosomes during translation.
Ribosomal RNA: rRNA : With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.
Answer:
FALSE
Explanation:
Blood actually enters the right atrium first and finally exits thru left ventricle to the body.
To go to lungs, it must go from right atrium to right ventricle to the lungs.
Answer:
Estrogen
Explanation:
Estrogen are hormones that increase the development and maintenance of female characteristics in the human body. Estrogen is involved in the development of a range of health issues.
