Answer:
Joint - a joint is where two bones articulate
In this case, the femur and tibia form a joint.
Answer:
mitochondrion / mitochondria coming from the apex.
False. sea otters dont really eat <span>sea urchins and not much would chang</span>
The fish use reacting behavioural mechanism in order to protect itself from the danger.
The fish uses reacting behavioural mechanism when the fish sense any type of danger surrounds it. This behaviour is a type of defense mechanisms which is used to defend and protect itself.
The fish apply electric shock in order to protect itself from the attackers and give harm to the other organisms which comes in contact with it so we can conclude that the fish use reacting behavioural mechanism in order to protect itself from the danger.
Learn more about behaviour here: brainly.com/question/24519685
Learn more: brainly.com/question/26040401
