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kompoz [17]
2 years ago
7

Name 2 multicellular organisms and 4 things that plant and animal cells have

Biology
1 answer:
matrenka [14]2 years ago
3 0

Hi! human,dog are multicellular organisms. Nucleus,cell membrane, cytoplasm and mitochondria are 4 things that plant and animal cells have.

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Endosymbiotic theory is supported by similarities between chloroplasts and * Cyanobacteria Viruses Yeasts None of the above
stiv31 [10]

Answer:

Endosymbiotic theory is supported by similarities between chloroplasts and * Cyanobacteria.

Explanation:

The endosymbiotic theory proposes that mitochondria and chloroplasts were once free-living bacteria that were phagocytized by another cell but not digested. These bacteria got to adapt to their host, and both cells became interdependent.  

Both organelles have many similarities with other free-living bacteria. Chloroplasts probably derivate from cyanobacteria because both cells absorb sunlight, produce ATP, and organic molecules. And mitochondria derivate from rickettsias because they produce ATP in the same way by using the Krebs Cycle and Oxidative Phosphorylation.

From the phagocytosis moment, these two cells became so dependant on each other, they could not survive without the other one.  

Chloroplasts and mitochondria share some traits with free-living bacteria, that support the theory.  

• Both organelles present their genetic material. This DNI is independent of the cells´ DNA, is bi-catenary and circular, identical to the bacterial DNA, and very different from the one of the eukaryotic cells.

• Both organelles divide by binary fission, not by mitosis, and can synthesize their ribosomes and organelles.    

• Both organelles present a double membrane, a characteristic that reinforces the idea of being phagocyted. The internal membrane looks identical to the bacterial membrane, while the external membrane looks like the eukaryotic one.  

In fact, in this internal membrane are placed the energy centers, just as it occurs in bacterias membrane.  

• Finally, the sizes of the organelles are similar to the size of some procaryotes

6 0
2 years ago
A heat wave that causes an organism to move to a cooler climate is an example of a(n)
Bezzdna [24]
It is d. If it was adaptation, the organism would have stayed in order to adapt. The species moved in order to not go extinct. It can not be speciation, because a new species was not made. It is stimulus. It experienced too much heat, so it left.
5 0
3 years ago
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_________________ was the father of scientific management. Select one: a. Henry Gantt b. Elton Mayo c. Frank Gilbreth d. Frederi
puteri [66]
D. Frederick Taylor because I learned it in class today and I searched it up
4 0
3 years ago
If people use an ecosystem without damaging it then what they are doing is__ ?
soldi70 [24.7K]

Answer:

Sustainable use of the environment

Explanation:

Be it the ecosystem or the food you eat, if you just take up whatever you need instead of over exploiting the resources, another life can benefit from it. The relationship we need to form with our environment should be mutualism or commensalism but not parasitism.

4 0
2 years ago
Describe 3 characteristics of animals that make them different<br> from plants.
astraxan [27]

Answer:

They can move about freely.

They can reproduce.

They can respond to internal stimulus.

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3 years ago
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