Answer:
A. Water and nutrients are absorbed.
Explanation:
About 90% of water and nutrients digestion occurs in small intestine. Therefore the answer to thşs question is A.
Answer:
It is either A or D, im not sure what the bubbles represent either o2 or co2.
Explanation:
The water will move out of the fish by osmosis due to existence of concentration gradient .
Answer:
Natural selection is least likely to occur in this population if:
- The resources are continuously available
For a species to survive in an area, it is essential that the place has enough resources like nutrients, space, water etc. If these resources are available then there will be less chances of competition which will lead to lesser chances of natural selection.
- The number of of death rates is equal to the number of of birth rates
In an balanced ecosystem, the number of birth rates is equal to the number of death rates for a population. If the number of death rates is lesser to the number of birth rates then the competition for resources will lead to natural selection.
