Answer:
Answer Below
Explanation:
It usually occurs every 3 to 5 years but can occur as low as every 2 years or as long as every 7 years.
Nutrients cross the membrane wall with the help of protein channels.
Answer:
That would be the definition of osmosis
Answer:
Those organisms are fit which has the ability to survive in harsh climatic condition and transfer their traits to the next generation through the process of reproduction.
Explanation: Fit means they are strong and compete with other organisms for food, shelter and other survival items. Those organisms which are not fit could not survive in harsh environmental conditions and removed from that ecosystem.