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Delicious77 [7]
3 years ago
9

What is the difference between primary and secondary succession?

Biology
2 answers:
mote1985 [20]3 years ago
7 0
P is more important your welcome
Travka [436]3 years ago
3 0
Primary succession occurs at places where there was no vegetation or life before, usually places such as lava or places where glaciers were. Secondary occurs at places that have already previously been colonized, but the habitat was somehow disturbed or damaged.
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Of the following experimental results, which is the best evidence that photosynthesis is more efficient at certain wavelengths o
GarryVolchara [31]

Answer:

The correct answer will be option-C

Explanation:

The plant absorbs the sunlight to perform photosynthesis which helps produce the sugar molecule used by the plants.

The plants absorb maximum sunlight at two wavelengths that are red and blue wavelength by chlorophyll and other pigments. The efficiency of photosynthesis is also measured maximum at these two active wavelengths called action spectrum.

In the given question, since the efficiency of photosynthesis has been discussed which could be measured with the production of oxygen and consumption of carbon dioxide. The experiment performed by the Engelmann showed that aerobic bacteria got concentrated in the blue and red wavelengths as the output of the photosynthesis were observed maximum.

Thus, the selected option is the correct answer.

5 0
3 years ago
Which of the following will be expected to be activated during times of prolonged starvation? (select all correct answers)
Scilla [17]

Answer:

Option A

Option D

Option F

Explanation:

During the process of continuous starvation for a long period of time, the primary source of energy in body is hepatic gluconeogenesis which is responsible for producing endogenous glucose. Also lipolysis takes place in the adipose tissue to release fatty acid which is then converted into ketone bodies through though mitochondrial β oxidation and ketogenesis. The liver communicates with extrahepatic tissues, including adipose tissue and skeletal muscle and deliver glucose and ketone bodies to muscle and other extrahepatic tissues as fuels.  

Hence, option A, D and F are true.

5 0
3 years ago
Matching - select the best answer and place it next to questions below.
GrogVix [38]

Answer:

Hair root is 27 dicot is 33

8 0
3 years ago
Sperm are created through meiosis in an area of the testes called the seminiferous tubules. Through which structure do the sperm
Alborosie

Answer:

Epididymis

Explanation:

From the testes, the sperms travel to the epididymis. These structures can be found resting on top of each testes. Fresh out of the testes, sperms are not yet matured and this is where the epididymis takes over. The sperm are stored here and this is where sperm matures. From here, the sperm moves into the vas deferens.

6 0
3 years ago
Which membrane gives eukaryotes an advantage over prokaryotes in protecting their genetic material from damaging chemical change
Anarel [89]
That would be the nuclear membrane. Eukaryotic cells have a nucleus that encases their DNA, so it stays safer than it would in a prokaryotic cell.
7 0
3 years ago
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