Answer:
Kingdom 4
Explanation:
This kingdom is the only one with the ability to be heterotrophic or autotrophic.
When an individual muscle fiber receives a threshold stimulus, it contracts as much as possible. ... a threshold stimulus is the minimum amount of energy needed to make a muscle fiber contract.
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities
I believe the correct answer would be metabolism. This comprises all of the reactions inside organisms that allows them to sustain life. There are two categories of such namely, anabolism and catabolism. Hope this answers the question.
Carbon is exchanged, or "cycled" among Earth's oceans, atmosphere, ecosystem, and geosphere. All living organisms are built of carbon compounds. It is the fundamental building block of life and an important component of many chemical processes.
Spanish:
El carbono se intercambia o se "cicla" entre los océanos, la atmósfera, el ecosistema y la geosfera de la Tierra. Todos los organismos vivos están construidos con compuestos de carbono. Es el componente fundamental de la vida y un componente importante de muchos procesos químicos.
