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vfiekz [6]
3 years ago
10

A very interesting comparison is that between a thermal engine and living systems, say us. Thermal engines operate under a tempe

rature gradient, as a vapor locomotive, whereas we are essentially isothermal systems. Also, the second law of thermodynamics establishes that the entropy of the universe increases in any spontaneous process, eventually leading to equilibrium. Discuss the following aspects in qualitative terms: a. What is the source of useful work in biological systems? b. How do we maintain steady state? c. Are there biological processes that occur reducing entropy? If the answer is yes, how do we reconcile this fact with the second law of thermodynamics?
Biology
1 answer:
bekas [8.4K]3 years ago
4 0

Answer:

a. For both we need some energy source.

b. because of the homeostasis.

c. no

Explanation:

a.- In  engines the energy source could be some fossil fuel, electricity, etc. in living things the energy source is the sun or another living thing.

b. In living things the homeostasis is the process by which the levels of water, energy, nutrients, etc. are stable. The needs of a living thing is regulating by its wastes.

c. Living things have order and need energy for its activities like grow, reproduce, etc. but at the same time they release energy to the universe, so at the end. the living things increase the entropy of the universe.

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4 years ago
What term is used to indicate a characteristic that is shared and inherited from a common ancestor?
Alex73 [517]

The question is incomplete as it does not have the options which are:

A) ancestral trait

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Answer:

Homologous trait

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A homologous trait refers to a trait which is derived from a common ancestor in different species present on the Earth.

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Thus, Homologous trait is correct.

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