Answer:
Cilia that line our respiratory system help trap dust and other foreign particles, thereby preventing them from further entering our body and causing problems.
Answer:
B
Explanation:
Y chromosomes are the male chromosome. A person with an XY sex chromosome pair will be male while that with an XX sex chromosome pair will be female. This is because the Y chromosome has a male-determining gene called the SRY. This gene is responsible for the development of testis.
Answer:
possible genotypes are - Rr Rr Rr Rr
Possible phenotypes - remember that R is dominant therefore all of the seeds with be round
Explanation:
Definite volume is doesn’t possess a definite volume so therefore the answer is c
