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Biology

2 answers:

ryzh [129]3 years ago

6 0

Answer:

Primary succession is the type of succession which occurs in areas where there was no form of life before or it occurs in areas where the previous form of life has fully been eradicated with not even the soil present from that ecosystem. For example, a land where lava eruption has occurred.

A secondary succession is the type of succession which occurs in areas where there was life before which was removed by natural disasters like fire, flood or by human activities. This kind of areas might have the soil texture and composition to support life again. But for primary succession, the rocks will eventually have to be broken down and soil particles would form with the passage of time. Then only the land will be able to support life. Hence, primary succession takes longer to occur.

Andru [333]3 years ago

3 0

Answer:

Soil with nutrients is already present.

Seeds are present from earlier occupants, brought in by wind, and/or germinate after fire.

Explanation:

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The correct sequence for aerobic metabolic breakdown of glucose is

Luba_88 [7]

Answer:

a. glycolysis—preparatory reaction--cirtric acid cycle--electron transport system

Explanation:

Glycolysis is the first stage of cellular respiration that occurs in the cytoplasm of the cell. During glycolysis one 6 carbon glucose is converted into two molecules of 3 carbon pyruvic acid or pyruvate.
In the preparatory reaction, the pyruvate converted into a two-carbon molecule called acetyl CoA. In this reaction, a carbon dioxide molecule is released and a molecule of NADH is released.
The citric acid cycle begins with the reaction of the acetyl CoA with a four-carbon molecule in the mitochondrisl matrix. It goes through a cycle of reactions regenerating the four-carbon starting molecule. ATP, NADH and FADH₂ are produced.
The electron transport system is the terminal step of aerobic respiration that operates on the inner membrane of the mitochondria. Reduced coenzymes NADH and FADH₂ move along electron transport system release high-energy electrons and produce ATP.

3 0

3 years ago

ok so can someone explain the Trophic Levels/Trophic Pyramid? I would prefer it simplified for a PowerPoint but its alright lol

Georgia [21]

So the trpohic pyramid is basically the producers and secoundary abs primary consumers and all that but what comes first so the weakest animals that the animals eat above it

5 0

3 years ago

Read 2 more answers

Which of the following can be found in both viruses and cells?

Anastaziya [24]

Answer:

Cytoplasm.

Explanation:

Eukaryota cells (cells in your body) hold the DNA in the Nucleus but still have everything in the cytoplasm

Prokaryotic cells (viruses) have free floating DNA in the cytoplasm

4 0

3 years ago