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Masteriza [31]
3 years ago
7

How does dna lead sientest to better classify organisims

Biology
1 answer:
trasher [3.6K]3 years ago
4 0
By knowing the details on where and what about the organism, this helps with a lot of crime such as murder.
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Arrange these elements of the intrinsic conduction system in the order that a depolarizing impulse travels during a normal heart
zlopas [31]

Answer:

SA Node

Inter-nodal Pathways

AV Node

AV Bundle

Bundle Branches

Purkinje Fibers

The SA nodes functions first for setting pace for the heart, then the inter-nodal pathway make link b/w SA and AV node. AV node is site of delay when contraction of atria occurs. AV bundle is the mean of electrical link b/w atria and ventricle. The conveying of impulse to the inter-ventricular septum occurs through bundle branches, while conveying of impulse throughout and along the walls of ventricle occurs through Purkinje fibers.

7 0
3 years ago
Emotional memory ________.
suter [353]

Answer:

The correct answer will be option-A

Explanation:

Emotional memory refers to the memories of experiences which evokes or triggers the emotional reaction in higher organisms.

Emotional memory after evoking the emotional reactions remembers the past experiences based on which the person feels if the present event is pleasant or unpleasant.

The pounding of the heart is caused by the shock or the stress conditions observed with the fast beating of the heart. In the given question, When the heart pounds after seeing the rattlesnake will be considered response caused by the emotional memory as the rattlesnake is dangerous to humans based on the past experiences which evoke the emotional response.

Thus, option-A is the correct answer.

3 0
3 years ago
Which organism is a primary consumer? krill elephant seal squid penguin
galina1969 [7]
Krill should be ur answer hope this helps! have a nice day


7 0
3 years ago
Read 2 more answers
PLEASE HELP !!! ASAPPPP !!!
STatiana [176]

Answer:

Is this USA Test prep?

I believe that it is all except the 2nd one

Explanation:

7 0
3 years ago
Conservation biologists provide strong arguments about why we should all care about preserving biodiversity. When considering th
Ahat [919]

Answer:Increase in ambient global temperatures.

Recyling energy to be used again

Regulation of oxygen and carbon dioxide levels

An increase of erosion and siltation along waterways

Explanation:

Conservational biologists think about the preservation of ecosystem by maintaining the environment in a human control way.

Increase in ambient global temperatures.: The humans must prevent the increase in global temperature worldwide by preventing the rise of greenhouse gases which can lead to global warming worldwide.

Recyling energy to be used again: The sources of energy like wood, waste water can be recycled again for reutilization.

Regulation of oxygen and carbon dioxide levels.: The oxygen and carbon dioxide levels must be regulated. As oxygen is the basic requirement for respiration. The increase in carbon dioxide levels due to human activities is likely to cause respiratory diseases and health hazards in living beings.

An increase of erosion and siltation along waterways.: The erosion and siltation will likely to deposit nutrients and debris which may either contaminate the waterway or may cause eutrophication.

5 0
3 years ago
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