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weqwewe [10]
3 years ago
11

Follow Up Questions: 1. What is a dichotomous key?

Biology
2 answers:
Paraphin [41]3 years ago
7 0

Answer:A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item.

Explanation:

Alexxx [7]3 years ago
3 0

Answer:

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts".

Explanation:

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Look at the image below? When do you think the fault (break) in the rock happened? After which layer was deposited?
ycow [4]

Layer C

Explanation:

The fault break occurred after layer C in the rock sequence.

Layer C is an igneous intrusion through the rock.

To interpret this sequence, we need to apply the law of superposition of strata and cross-cutting .

The law of superposition of strata states that "in an undeformed sequence of strata, the oldest is at the base and the youngest is on top".

Law of cross-cutting states that "intrusions and faults are younger than the rocks they cut through".

  • The intrusion is the last even before the fault because it cuts through layers A, B D and E.
  • After the intrusion then the faulting event happened.

learn more:

Sedimentary rocks brainly.com/question/9131992

#learnwithBrainly

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3 years ago
Calcite makes rocks very resistant to chemical weathering <br> A) true<br> B) False
PtichkaEL [24]
I’m pretty sure this is true
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List the quality control measures taken to ensure contamination does not occur during the Chelex extraction process (DNA extract
Gwar [14]

Answer and Explanation:

To promote a good DNA extraction through the Chelex extraction protocol, it is important to follow some measures, which are essential for the entire process to take place efficiently.

The most important measure is to avoid contamination. In this case, all surfaces, container and substances used must be properly sterilized, preventing unnecessary elements from coming into contact with the DNA sample or the protocol reagents.

It is important that the researcher is wearing clean, appropriate clothing and gloves when using this protocol. This avoids impurities and contamination with the researcher's DNA.

Another precaution must be taken with the DNA sample and the reagents that will be used during the extraction. All must be stored correctly, preventing their degradation, especially the DNA, which is a very unstable molecule.

Finally, the researcher must strictly follow all the steps of the protocol as indicated.

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The number of hedgehogs on a hill would be considered a community ​
maria [59]
The answer is true.
All of them bunched together is called a community
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Which medical episode applies to loss of consciousness for 10 to 30 seconds, eye or muscle flutterings, and a loss of muscle ton
inn [45]

Petit-mal seizure

Petit mal seizure is a form of epilepsy with short sudden, unannounced lapses in consciousness. Impairment of consciousness is the essential symptom. The sufferer experiences loss of consciousness for 10 to 30 seconds, eye or muscle flutterings and a loss of muscle tone.

 






4 0
4 years ago
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