Fill in the blanks: the original organism is called the and new organisms are called the

The original organism is called the parent (ancestor) , and new organisms are called the offspring.

Explanation:

Reproduction is one of the characteristics of life. Every living organism tends to give rise to another organism. The organism which gives rise to another organism is termed as the parent. The organism which is born is known as the offspring.

There are two basic methods of reproduction. An organism can give rise to another organism by the method of asexual or sexual reproduction.

During asexual reproduction, identical copies of the parent organism are made. During sexual reproduction, two organisms reproduce to produce non-identical offsprings.

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

trachea, alveoli, lung capillaries, arteries