True because, more variation increases the species fitness, the ability to survive and reproduce. Allowing the organism to pass on their beneficial traits (advantageous traits), to their offspring.
it can show us our history and may help us discover relatives we never new we had or lot contact with.
Answer:
the answer is a. any ciliated cell in lungs catches bacteria & debris from lungs causing cough, difficulty breathing, etc.
can develop into asthma, infection of pleura, and bronchitis...
<span>ne day, while walking through a crowded zoo, I noticed that suddenly there were no people walking on the path anymore. I happened to be next to the gorilla den, which was just a cul-de-sac at the end of a long, curved trail. I thought I'd go in since I was there. </span>
Answer:
Cell membrane is considered as boundary of the cell.
Explanation:
Cell membrane is the boundary of the cell which is selectively permeable that allows the micro-nutrients, water and gases like oxygen and carbondioxide etc through the process of diffusion. When the water goes inside due to diffusion it is the indicator that there is less quantity of water present inside the cell as compared to the external environment, this phenomena is called hypertonic.