Answer:
D- Multicellular life
Explanation:
Multicellular organisms are those organisms composed of two or more cells, these species include most fungi, animals and plants. On the other hand, unicellular organisms include bacteria and archaea (i.e., prokaryotes), as well as unicellular eukaryotic species (e.g., protists). Multicellular organisms exhibit a higher organizational level compared to unicellular organisms because in these organisms cells are organized into successive hierarchical levels in order to carry out diverse functions (i.e., tissues, organs, organ systems, etc).
Q1. It originates in the spinal cord, not the brain
Q2. The environment and sensory receptors
Q3.Breathing during sleep
Q4. Reacts to a threat; Calms you down
Q5. Somatic nervous system
I think it is False. Heterotrophs are organisms that cannot make their own food. They obtain it from consuming other organisms. To make this statement true, you would have to replace the word, "heterotoph" with the word "phototroph" or "autotrophs".
The statement that is not part of the cell theory is C) only animals are composed of cells.
On the other hand, A) cells are the basic unit of structure and function in living things, B) all cells are produced from other cells, and D) all living things are composed of cells are correct.
The stimulus and response when a human increases his/her physical activity
<h3>What is stimulus?</h3>
- A stimulus is a detectable change in the physical or chemical structure of an organism's internal or external environment.
- The ability of an organism or organ to detect external stimuli, so that an appropriate reaction or response can be made, is called sensitivity
When a human increases physical activity, the amount of fuel burned in its cells also increases, which in turn increases the concentration of dissolved CO2 in the blood. The CO2 reacts with water in the blood to make a weak acid, which lowers the pH of the blood.
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