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Keith_Richards [23]
3 years ago
6

Leaves fall from deciduous trees onto the forest floor. These leaves decay slowly and become part of the topsoil. Which change i

s MOST likely to have a positive impact on the nutrients available in the topsoil?
an increase in the number of decomposers
a decrease in temperature
an increase in the number of predators
a decrease in biodiversity
Biology
2 answers:
Masja [62]3 years ago
7 0
An increase in the number of decomposers
Lisa [10]3 years ago
4 0

Answer:

Explanation:

An increase in the number of decomposers ... Leaves fall from deciduous trees onto the forest floor. These leaves decay slowly and become part of the topsoil. Which change is most likely to have a positive impact on the nutrients available in the ... Which explains why the size of a population of rabbits might be decreasing.

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The technique psychologists use to measure electrical activity in the brain is 1. EEG 2. Lesion 3. FMri 4. CAT Scan 5. PET Scan
posledela

Answer:

The correct answer is 1. EEG.

EEG or electroencephalography is a technique used to measure the electrical activity of the brain.

8 to 16 pairs of electrodes are placed on the scalp which record the electrical activity or impulses (in volts) generated by thousands of neurons or nerve cells present in the brain.

It provides the real-time imaging of the electrical activity of the brain.

The recorded impulses are first sent to the amplifier as the magnitude of the brain's electrical impulses is very low.

The amplifier then amplifies the results and show it on the screen in the form of voltage units.

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2 years ago
Why do we use arrows when creating a food web? What do they represent?
dmitriy555 [2]

The arrows usually point to the organisms that are doing the eating.

Explanation:

For that reason, we can say that the arrows represent the flow or transfer of energy in an ecosystem. It also specifies the direction of the flow of energy.

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3 years ago
Which best explains why a pyramid is used to represent energy flow within an
Nat2105 [25]

Answer:

The answer is A

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How do scientist today usually communicate their results and conclusions
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Scientists publish their results and conclusions in scientific journals.

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What is the effect on transcription of the structural and regulatory genes of the lac operon when lactose is present in the envi
vova2212 [387]

In the lac operon, glucose also plays an important role along with lactose. When Lactose is present in the environment along with glucose then it cannot deactivate the regulator gene [repressor], as a result, the repressor will bind to the operator and the transcription will be blocked.

When Lactose is present in the environment without glucose then the Catabolite repressor protein will bind to the CAP Site, and lactose will bind to the repressor [regulatory gene product], as a result, the repressor gets deactivated and the transcription takes place.

Lac operon: It is a set of three structural genes z, y, and a which are all transcribed and regulated under one single promoter. The three genes code for β-galactosidase, lactose permease, and transacetylase respectively.

β-galactosidase is responsible for breaking the lactose into glucose and galactose, lactose permease is responsible for transporting lactose across the cell membrane and transacetylase attaches a particular chemical group to target molecules.

Learn more about Lac operon here

brainly.com/question/1217140

#SPJ4

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