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maw [93]
3 years ago
14

As symbols of the freedom of the wilderness, bald eagles have the unique capacity to inspire people and foster in them a sympath

etic attitude toward the needs of other threatened species. Clearly, without that sympathy and the political will it engenders, the needs of more obscure species will go unmet. The conservation needs of many obscure species can only be met by beginning with the conservation of this symbolic species, the bald eagle.
Which one of the following is the conclusion of the passage as a whole?

(A) Because bald eagles symbolize freedom, conservation efforts should be concentrated on them rather than on other, more obscure species.

(B) The conservation of bald eagles is the first necessary step in conserving other endangered species.

(C) Without increased public sympathy for conservation, the needs of many symbolic species will go unmet.

(D) People's love of the wilderness can be used to engender political support for conservation efforts.

(E) Other threatened species do not inspire people or foster sympathy as much as do bald eagles.
Biology
1 answer:
valentinak56 [21]3 years ago
6 0
<h2>The correct answer is: B.</h2>

Explanation:

  • A variety of species become threatened or endangered due to various natural and anthropogenic factors.
  • Natural factors like climate change, global warming, flood, volcanoes, forest fires, avalanche, earthquake, tsunami etc cause the death of many species of organisms and often cause the extinction of several endemic and rare species.
  • Man-made factors like habitat destruction, mining, quarrying, deforestation, poaching, etc also has similar impact on species diversity.
  • Conservation of animals can be defined as the procedure adopted to promote the well being of different species of animals such that they can survive and reproduce to maintain their existence on earth without getting threatened, endangered or extinct.
  • A Threatened species can be defined as the one which has a high probability of becoming endangered in the near future.
  • An Endangered species can be defined as the one whose population has reduced to such an extent that the probability of the species to become extinct in the near future becomes exceptionally high.
  • An Extinct Species can be defined as the one whose last surviving individual has died. The ability of such a species to breed and recover its population gets lost much earlier.
  • Conservation program carried out for the preservation of a particular animal species includes the protection of their surviving habitat, breeding habitat and also their hibernating habitat.
  • A particular habitat can be occupied by multiple species of organisms which occupy different ecological niches.
  • Therefore, conservation of the habitat of a particular species of organism will simultaneously cause the conservation of other species present in the same habitat.
  • Hence, this would indirectly cause the conservation of other endangered species.
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What is coal primarily used for, and what advantages and disadvantages does it have?
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3 0
3 years ago
Read 2 more answers
Crossing over prevents homologous chromosomes from separating during meiosis i. true or false?
Scilla [17]

Crossing over does not prevent homologous chromosomes from separating during meiosis, hence, the statement is false.

CROSSING OVER:

  • Crossing over is the process whereby non-sister chromatids of homologous chromosomes exchange their genetic materials.

  • Crossing over occurs specifically during the prophase I stage of meiosis I. Via this process, genetic diversity is likely to occur in the daughter cells.

  • Crossing over only assures that genes of homologous chromosomes are recombined, it does not stop them from separating in the Anaphase stage.

  • Therefore, crossing over does not prevent homologous chromosomes from separating during meiosis, hence, the statement is false.

Learn more at: brainly.com/question/18824252?referrer=searchResults

4 0
3 years ago
The citric acid cycle is a stage of catabolism that oxidizes acetate into carbon dioxide and generates energy. There are eight e
Delicious77 [7]

Answer:

1. isocitrate dehydrogenase,  malate dehydrogenase,  α‑ketoglutarate dehydrogenase

2. α-ketoglutarate dehydrogenase and Isocitrate dehydrogenase

3. Succinyl coenzyme A synthetase

4. α‑ketoglutarate dehydrogenase

5. aconitase

Explanation:

The citric acid cycle is a stage of catabolism in which the oxidation of acetyl-CoA takes place which releases stored energy. it takes place in the matrix of the mitochondria (in eukaryotes) or in cytoplasm (in prokaryotes).

1. All the  dehydrogenase produces NADH in citric acid cycle except succinate dehydrogenase as it inhibit other dehydrogenase enzymes activity. <em>so, Isocitrate dehydrogenase (in second step),  α‑ketoglutarate dehydrogenase (in third step) , and malate dehydrogenase (in eigthth step or final step)  </em>are responsible to produces a coenzyme, NADH.

2.  Isocitrate dehydrogenase (in third step) form one carbon dioxide and one NADH and α-ketoglutarate dehydrogenase (in fourth step) form four-carbon succinyl CoA. hence both the enzymes  produces carbon dioxide in the citric acid cycle.

3. Succinyl coenzyme A synthetase catalyzes the formation of coenzyme-A and succinate.

4. α‑ketoglutarate dehydrogenase have an α‑keto acid substrate which is converted into into a four-carbon succinyl CoA in the fourth step of citric acid cycle.

5. Aconitase catalyzes the isomerization of citrate to isocitrate.

Hence, the correct answer is:

1. isocitrate dehydrogenase,  malate dehydrogenase,  α‑ketoglutarate dehydrogenase

2. α-ketoglutarate dehydrogenase and Isocitrate dehydrogenase

3. Succinyl coenzyme A synthetase

4. α‑ketoglutarate dehydrogenase

5. aconitase

6 0
3 years ago
What is the KE of a 250kg cart as it reaches the bottom if it’s velocity was 22m/s?
tensa zangetsu [6.8K]

Answer:

Kinetic energy = 60500 J

Explanation:

Given that,

Mass of the cart, m = 250 kg

Velocity of the cart, v = 22 m/s

We need to find the kinetic energy of the cart. This type of energy is possessed due to motion of an object. It can be given by :

E_k=\dfrac{1}{2}mv^2\\\\E_k=\dfrac{1}{2}\times 250\times (22)^2\\\\E_k=60500\ J

So, the kinetic energy of the cart is 60500 J.

6 0
3 years ago
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