Biogenesis, the fir tree began life when fertilization occurred to produce a singlee cell.
Answer:
the body has glucagon and insulin, glucagon tells the body to release more glucose whenever glucose levels are low and insulin feels the glucose to the body, reducing glucose levels
Explanation: pretty much it
The answer is <span> b) chromosomes replicate
DNA replication occurs before mitosis. So, duplicated chromosomes are already present in mitosis. They are connected by centromeres. During different phases of mitosis, spindles are formed and pull chromosomes toward the opposite poles of the cell so centromeres must split.</span>
The sequence of events that will occur are as follows:
- Receptors in her toe receive stimuli.
- The sensory neuron generates an impulse.
- Interneurons relay the impulse to motor neurons in the spinal cord.
- She immediately moves her foot
<h3>What is Nervous System?</h3>
The brain, spinal cord, and nerves make up the nervous system. It greatly affects how you feel and think, as well as how your body behaves. You can walk, speak, swallow, breathe, and learn thanks to it. It also regulates the body's emergency response.
To learn more about the nervous system with the help of the given link:
brainly.com/question/3217086
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