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Novosadov [1.4K]
3 years ago
15

An energy pyramid is composed of oak trees, rabbits, snakes, and eagles. The producers receive 100% of the total energy from the

sun and have a total biomass of 30,000 kg. As you move up the energy pyramid, the biomass for each tropic level decreases 10%. What claim can be made about the biomass in this ecosystem?

Biology
1 answer:
Sauron [17]3 years ago
5 0

The biomass of the snakes is 300 kg

Explanation:

If the oak trees that receive the energy from the sun are the primary producers in this energy pyramid. They, therefore, enter the food chain with 30, 000 kg biomass – the highest biomass. They have the highest biomass because passing this biomass up the food chain is inefficient. Only 10% is pass up with the rest being lost in the environment in other forms of energy but mostly as heat energy.  

Learn More:

For more on the energy pyramid check out;

brainly.com/question/6808296

brainly.com/question/12477814

#LearnWithBrainly

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Lucia is walking barefoot in her yard. She accidentally steps on a nail. How will her nervous system work to generate a reaction? Arrange the events chronologically.

  1. Interneurons relay the impulse to motor neurons in the spinal cord.
  2. She immediately moves her foot.
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Answer:

4. Receptors in her toe receive stimuli

3. The sensory neuron generates an impulse.  

1. Interneurons relay the impulse to motor neurons in the spinal cord.

5. Motor neuron signal the leg muscles    

2. She immediately moves her foot.  

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The reflex arc refers to an action mechanism that responds to different stimuli.  It is an involuntary reaction involving different nervous vias. The reflex arc is composed of receptors, afferent nervous fibers, efferent nervous fibers, and effectors.    

Receptors are located in nervous terminals and are widely distributed in the organism. Receptors are capable of receiving stimuli from different nature, and most of them are specialized in one kind of stimuli such as vision, audition, touch, among others. In the exposed example, these sensory receptors were located in the toe, and probably they were touch receptors.

When they receive the stimulus the sensory neuron transforms it into an excitatory nervous impulse that goes to the central nervous system along the afferent nerves. This stage is known as the <u>afferent via</u>, beginning with the environmental information received by sensory receptors, and ending in the arrival of the transcripted message to the central nervous system.

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