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4 years ago

Energy in an ecosystem flows directly from

2 answers:

6 0

energy enters an ecosystem through photosynthesis. By feeding on plants and on one another, animals play an important role in the movement of the matter/energy though. they also influence the quantity of plant and biomass present. so the anwser is D, secondary consumers to tertiary consumers

Andrej [43]4 years ago

4 0

Answer:

''d' is correct.

Explanation:

Producers-->Primary Consumers-->Secondary Consumers-->Tertiary Consumers

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Which type of microscope is the most widely used and shows cells against a bright background?

gtnhenbr [62]

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3 years ago

The pH of a solution containing 0.1 mM H+ is _______ ( 1mM = 10-3M)

Taya2010 [7]

Answer:

The pH of a solution containing 0.1 mM H+ is 4

Explanation:

The pH of any solution is given by the following mathematical equation -

$pH = -log[H_{+}]\\$ ----------- Equation (A)

Where,

$H_{+}$ = the concentration of hydrogen ion in the solution.

Given

$H_{+}$

= $0.1mM\\=0.1 * 10^{-3}\\= 10^{-4}\\$

Substituting the given value in equation (A) , we get -

$pH = -log[10^{-4}]$

$= -(-4)\\= 4$

Hence, The pH of a solution containing 0.1 mM H+ is 4

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3 years ago

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Aleonysh [2.5K]

Answer:

Population trend refers to changes over time and can include changes in ranging behavior (e.g., distance and route) and distribution, biogeography (e.g., size of population) and life-history (e.g., birth and death rates).

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3 years ago

When Mendel crossed true–breeding pea plants that have inflated pods (PP) with those that have constricted pods (pp), it was obs

Elena-2011 [213]

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3 years ago

What do all ecosystems have

vodomira [7]

All ecosystems have a feeding hierarchy

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3 years ago