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uysha [10]
3 years ago
9

The function of the intrinsic conduction system is to ________. the function of the intrinsic conduction system is to ________.

Biology
1 answer:
cestrela7 [59]3 years ago
8 0
<span>I think you have repeated the same question The intrinsic conduction system determines the basic rhythm of the beating heart. It consists of autorhythmic cardiac cells that initiate and distribute impulses (action potentials) throughout the heart which causes the heart to contract and expand which causes the beating or pumping of heart</span>
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Originally, only animals that were useful to humans were<br> domesticated.<br> O True<br> False
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The shoes traveled faster than the rubber ducks and the bath toys. Propose a hypothesis to explain why the shoes traveled faster
vekshin1

In the sea, since the shoes are heavier they will travel faster in a lower point.

<u>Explanation:</u>

The situation that has been put up in the question are the shoes and the ducks which are made of rubber. When the weight of the two is compared, it is obvious that the shoes are heavier than the ducks which are made out of rubber.

As a result of this, in the sea, the shoes will go to a lower point where as the ducks will remain at a higher level only. Being at a lower level. the shoes will travel faster compared to the ducks.

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3 years ago
It is thought that modern-day humans (Homo sapiens) evolved from the species Homo heidelbergensis approximately 250,000 to 400,0
lozanna [386]

Answer:

I have found the choices that are written with this question. For ease of understanding and a better way for explaining the answer I have listed them below:

a. difficulty in classifying species

b. difficulty in classifying asexual species

c. difficulty in classifying hybridizing species

<u><em>d. difficulty in classifying fossil species</em></u>

e. difficulty determining when one species changed into another

Explanation:

The evidence already exists that are required to answer these scientific questions. At this point in time scientists can use genetic data to understand the relationship between species. In some instances the data that is acquired is not enough or it is damaged and not well preserved. Here, along with palaeontologist the scientists can use all the evidence they find to better create cladograms and classification charts to date back our common ancestors.

Even with this great scientific tool it is still a challenge to properly identify the speciation to <em>H. sapiens. </em> The continued advancements in science is closing the gap on these set backs and hopefully in time this can be overcome.

In conclusion, the answer here is <em><u>d. </u></em> It is currently a challenge identifying fossil species.

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Explain whether opening and closing your eyes is voluntary or involuntary
shtirl [24]
Hello there!

Closing your eyes is voluntary.


Hope I helped!

Let me know if you need anything else!

~ Zoe
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