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bixtya [17]
2 years ago
7

Most marine animals live near the surface of the ocean because of ________, which supports photosynthesis by marine algae that f

orm the basis of the food chain.
Biology
1 answer:
kolezko [41]2 years ago
7 0
The sun they need energy
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With the endosymbiotic hypothesis in mind, what structure within modern-day chloroplasts is likely derived from the cytoplasm of
777dan777 [17]

Inner membrane of the chloroplasts

Explanation:

The present day eukayrotes are all considered to be derived from its original ancestor – the cyanobacteria.

Earlier, photosynthesis by the first photoautotrophs took place utilizing hydrogen sulphide as the electron donor. However, it was later when the cyanobacteria, which were originally residing in the mitochondria of an eukaryotic cell under an endosymbiotic relationship, developed into true chloroplasts, the use of water as electron donor to perform photosynthesis began.  

The cyanobacteria were aerobic in nature and required oxygen to survive. They evolved the chloroplasts covered with an external protective membrane and an internal membrane. It is the internal membrane which contains all the necessary organelles or components necessary for photosynthesis like thyllakoids, stroma etc which helped them to utilize water as an electron donor during photosynthesis like all the eukaryotes.  

4 0
2 years ago
You are operating a powerboat at night. Your red sidelight must be visible to boats approaching from which direction(s)?
Degger [83]
I believe the answer is head-on and port (left). The side lights are usually visible to vessels approaching from the front or the side. The red light usually indicates a vessel's port (left) side while the green light indicates a vessel's starboard (right) side. These lights ensure that there is safety at night as the vessels navigate.
8 0
2 years ago
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Name two properties of a good marker and explain why good markers are important.
Semenov [28]

Answer:

The overview is defined in the clarification section elsewhere here, and according to the particular circumstance.

Explanation:

Including genetic mapping as well as tracing the characteristics of hereditary disorders, genetic markers are valuable.

Basic DNA sequence determination for chromosomes.

  • Healthy Marker Properties.
  • This needs to have been Polymorphic.
  • It is indeed meant to be non-epistatic.
  • Throughout the genome, these are distributed uniformly.
3 0
1 year ago
Distinguish among eons, eras, periods, and epochs, using specific examples.
andrew11 [14]

In a particular context, “epoch” can refer to a particular point of time characterized by a particular event/series of events.

While “era” refers to a period of time characterized by events in a chronological order.

Thus, an “era” can encompass more than one “epoch”.

“Period” can refer to a short interval of time or a very long interval of time.
For example:

<span>“My period of happiness….”“The period of Four Horsemen…”</span>

<span>“Eon” </span>refers to an indefinitely long time. <span>Eon is presumed to consist of at least 2 eras.</span>

7 0
2 years ago
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Describe the path that energy takes, from solar energy reaching earths surface to energy used to power cell processes in animals
Tresset [83]

Answer:

How energy is produced and managed from solar cells?

Solar energy is created by nuclear fusion that takes place in the sun. Fusion occurs when protons of hydrogen atoms violently collide in the sun's core and fuse to create a helium atom. This process, known as a PP (proton-proton) chain reaction, emits an enormous amount of energy

Explanation:

All based on research.

6 0
1 year ago
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