Answer:
O With training, the puppies are likely to excel at agility competitions.
O Without training, the puppies are no more likely to succeed at agility competitions than any other dog.
Explanation:
This two options speaks the same thing and are the correct option.
The phenotype of an organism is a product of genotype and environment
P=G+E
The litters can inherit the trait of running, having a good vigour and ability to win agility competition but when the environment do not allow this trait to be expressed the trait can be masked i. e may not find expression.
The environment ensure that this litters are been taught the rudiment of agility competition to ensure they win if they are not been taught, they many not know they have the ability to win and will not be different from other dogs.
The training is what brings out the potential in them that can later be seen and expressed in the competition.
Sonar testing has caused whales to die in mass amounts.
The difference between an artery and a vein is that arteries are larger, more muscular and more elastic than veins; they carry blood that is under pressure from having been pumped out of the heart; veins are under much less pressure, so they are not as strong
<span>Collin often experiences a "runner's high" during his daily three-mile run. this is most likely produced by endorphins.
Endorphins are related to a group of hormones which are secreted within the brain and the nervous system, it is like morphine chemicals which are produced. It is mostly produced when you exercise a lot, run high or stress etc.</span>