Answer:
The closing of the stomata is controlled by the guard cells.
Explanation:
When guard cells loses water, they shrink and become flacid and straight leading to the closing of the stomata.
Two trophic levels
Typically there are three or four trophic levels in a community because after this point, it becomes very hard to sustain organisms. The amount of energy lost at each trophic level makes it harder and harder to sustain life.
Answer:
(4) is bred and the trait is capable of being inherited
Explanation:
<u>Mutation generally refers to a sudden change to the DNA sequence in the genome of an organism.</u>
Since, DNA is the molecules responsible for heredity and the inheritance of traits by offspring from their parents, a mutation should be inheritable.
<em>Hence, if a sudden appearance of hairlessness in one of the puppies is observed by a dog breeder, he/she can effectively conclude that the situation is caused by a mutation if the affected dog is bred with another dog and the hairlessness is observed in any of the resulting progeny.</em>
Option 4 is the correct option.
Answer:
I say A they were mostly from Europe
Explanation:
