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Oduvanchick [21]
3 years ago
7

Which direction does energy flow in a ecosyste

Biology
1 answer:
zlopas [31]3 years ago
5 0

ANSWER:

Energy flows through an ecosystem in only one direction!

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What are the 5 postulates to Natural Selection?
Sveta_85 [38]

Answer:

- Individuals are variable.

- Some variations are passed down.

- More offspring are produced than can survive;

- Survival and reproduction are not random.

- The history of earth is long.

Explanation:

8 0
3 years ago
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Indicate whether each of the following occurs mainly in G1 phase (G), S phase (S), or G2 phase (H) of the cell cycle. Your answe
Ronch [10]

Answer:

Correct choice should be:

"SGSG"

Explanation:

The cell cycle consists of G1, S, G2 and M phase. The former three phases include the interphase and M phase is the dividing phase of cell . G1 prepares cell for DNA synthesis. S phase is the phase where DNA replication takes place. G2 phase prepares cell for cell division or M phase.

G1 phase preceeds replication or S phase and G1 phase licences DNA replication.

During other phases of cell cycle, ORC complex masks origin of replication. ORC phosphorylation takes place at S phase, which removes this omplex and unmasks origin of repication site so that replication machinery can bind to it.

DNA helicase activation: S phase

DNA helicase deposition on DNA at the replication origins: G phase (actually G1)

ORC phosphorylation: S phase

Licensing of replication origins : G phase (actually G1)

Hence correct choice should be:

SGSG

5 0
3 years ago
What are some features of birds that reflect how they may have evolved from dinosaurs
ankoles [38]

Some features might be feathers, thin bones, they are lighter to make flying easier.

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Plants are known for having green leaves. This is due to a compound inside called chlorophyll. Chlorophyll is also responsible f
Arte-miy333 [17]

Answer: why are you cheating?

Explanation:

4 0
2 years ago
It is a poor label for a category level file folder.
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I think the correct answer from the choices listed above is option B. A poor <span> label for a category level file folder is the label "R". It could mean many things and is a very broad label. Good labels should be very specific to that the files really pertains to.</span>
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2 years ago
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