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Karolina [17]
3 years ago
8

Which of the following is not true concerning the flow of energy through an ecosystem?

Biology
2 answers:
ira [324]3 years ago
6 0
<span>Most of the energy from photosynthesis flows out as heat is the statement not correct.</span>
enyata [817]3 years ago
3 0

Answer;

D. Most of the energy from photosynthesis flows out as heat.

Explanation;

-Energy flow is the amount of energy that moves through a food chain. The energy input, or energy that enters the ecosystem, is measured in Joules or calories.

-The largest source of energy for an ecosystem is the sun. Energy that is not used in an ecosystem is eventually lost as heat. Energy and nutrients are passed around through the food chain, when one organism eats another organism.

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Use the normal ecg trace below to determine how many seconds the trace represents as well as the heart rate.
mezya [45]
Attached is the image of the concerned ECG reading.

In reading the ECG, first you read the heart rate. To read the heart rate, you must count for the number of small boxes in between QRS complexes, specifically R-R intervals. These number of small boxes will then be used to divide 1500. In this example, there are 20 small boxes between R-R intervals. 1500 divided by 20 is 75, so the heart rate of this ECG reading is 75 beats per minute. 

<em>Another way, albeit less accurate, is to count the big squares between R-R intervals and instead of dividing it by 1500, you divide it by 300.</em>

3 0
3 years ago
Which of the following is a testable scientific question
sineoko [7]
Where are the questions so i can answer them?
3 0
3 years ago
Read 2 more answers
Factory part of cell membrane
rusak2 [61]
Mitochondria is the 'factory' or the 'powerhouse' of the cell! I've just been learning about them too! 
6 0
3 years ago
Scientists have observed that when air pollution is significantly reduced, the frequency of the melanic form of peppered moths:_
zhenek [66]

Answer:

The correct answer is : decreases

Explanation:

The development of the peppered moth is a transformative event of directional color change in the moth populace as a result of air contamination during the Industrial Revolution.

The melanic or dark color type of the peppered moth was not known before pollution level was low before 1811. Hence the decrease in pollution level in atmosphere will lowers the frequency of the melanic form of peppered moths.

Thus, the correct answer is : decreases.

4 0
3 years ago
Which event marks the beginning of the cambrian era?
Scilla [17]

Answer:

D) largest mass extinction event in Earth's history

Explanation:

The cambrian era started following the pre-cambrian extinction

5 0
3 years ago
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