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NARA [144]
3 years ago
13

The interactions of earthworms and robins in a beech forest make up which ecological unit? A. population B. ecosystem C. biome D

. community plz explain!!!
Biology
2 answers:
prohojiy [21]3 years ago
8 0

Ans. (D). community.

In an ecosystem, a community can be defined as a association or group of organisms of two or more species that occupy the same region, in a particular time. For example, grasses, herbivores (such as deer), and carnivores (such as lion represent a community in a grassland ecosystem that affect each other.  

As earthworms and robins belong to two different species, they will represent a community in a beech forest ecosystem.  

Thus, the correct answer is option (D).

ozzi3 years ago
6 0
The answer is D:  COMMUNITY
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Identify the position on the graph that gives the carrying capacity of the population.
Darina [25.2K]

The carrying capacity of any individual biological species is the maximum size of the population which can sustain indefinitely in that environment provided the necessary requirements like food, water and other environmental conditions are available.

The carrying capacity in the graph is the point on the graph where the line of population is horizontal. The graph has the population in y-axis and time period on x-axis. Alternatively if in the carrying capacity graph the line becomes parallel to x axis then it gives the carrying capacity. Here, at the point 2000 on y-axis and starting from 15 months in x-axis is the point of carrying capacity is marked with red horizontal line and green border in the image attached.


8 0
3 years ago
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Birds, insects, and many reptiles excrete nitrogenous waste in the form of uric acid, which _____. see concept 44.2 (page 980)
Degger [83]
<span>The answer would be:
reduces water loss compared to other nitrogenous wastes, but requires more metabolic energy to produce

Nitrogen waste needs to be removed out of the body. There are a few ways to remove the nitrogen waste but it will vary in the amount of energy used. 
Uric acid is less soluble which makes it won't be secreted in urine, thus reducing the need to urinate and reduce water loss. But the production of uric acid need hydrolysis of ATP, so it needs more energy.
Fish will secrete the waste as ammonia which soluble in water but doesn't need ATP to synthesize.</span>
5 0
3 years ago
The inner membrane of the mitochondrion is folded into cristae. The cristae _____ the surface area of the inner membrane, _____
Jet001 [13]

Answer:

The inner membrane of the mitochondrion is folded into cristae. The cristae

<u>increase</u> the surface area of the inner membrane, <u>enhancing</u> the mitochondrion's ability to produce ATP through <u>cell respiration</u>.

Explanation:

Options for this question are

  • <em>increase - inhibiting - photosynthesis</em>
  • <em>decrease - enhancing - cell respiration</em>
  • <em>increase - enhancing - cell respiration</em>
  • <em>decrease - inhibiting - photosynthesis</em>

Mitochondria are the organelles in charge of energy production inside the cell. For the mitochondrion to achieve its goal, a series of metabolic processes must occur, that require the presence of oxygen and organic substrates.

Mitochondrial cristae are the configuration of the mitochondrial internal membrane, with the purpose of increasing the surface where metabolic reactions and the electron transfer chain occur, in order to obtain ATP molecules, during the process of oxidative phosphorylation, also called cellular respiration.

Learn more:

Mitochondrion brainly.com/question/1128811

8 0
3 years ago
Which of the following is a correct statement?
Kipish [7]

Answer:

The correct answer will be option-B

Explanation:

cDNA library or complementary library is the DNA library constructed from the mRNA which is isolated from the specific tissue.  

The genomic library is constructed from the genome sequence of the organism by cutting the gene of interest or the whole genome with a restriction endonuclease and then inserting it into the vectors.

Since the genomic library includes the whole genome which is same in every cell and tissue whereas the cDNA library contains the coding genes expressed in the specific tissue only therefore, Option-B is the correct answer.

6 0
3 years ago
Which important biochemical process receives a supply of NAD+ ions from the fermentation process during anaerobic respiration?
sammy [17]

Answer:

Glycolysis.

Explanation:

Glycolysis is a universal process that provides energy in the form of ATP molecules. It requires two molecules of NAD+, which are reduced to NADH during glycolysis. Thus, regeneration of NAD+ is necessary as if NAD+ is absent, glycolysis cannot be able to continue.

During anaerobic respiration (respiration in the absence of oxygen), fermentation takes place to regenerate NAD+ used in the process of glycolysis.  

6 0
3 years ago
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