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NeTakaya
3 years ago
15

Which is the smallest part of an organism?

Biology
1 answer:
postnew [5]3 years ago
6 0

Answer:

D. cell is the smallest part of an organism.

as cell is basic functional and structure of life.

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1)what organs make up the organ system , the circulatory system.
Y_Kistochka [10]

Answer:

1. Circulatory system is made up of your heart, arteries, veins and capillaries.

2. There isn't a photo attached. But Specialized cells perform specialized functions in multicellular organisms. Groups of specialized cells cooperate to form a tissue, such as a muscle. Different tissues are in turn grouped together to form larger functional units, called organs.

Explanation:

6 0
3 years ago
A biologist is studying two organisms, X and Y. She knows that at least one of them is an animal. Organism X only reproduces sex
mrs_skeptik [129]

Answer: option B) Organism Y has the benefit of not having to find a mate.

Explanation:

Unlike organism X, Organism Y is capable of reproducing it's young ones by undergoing meiosis or in the presence of a mate supply gametes that will then be fused together into a new offspring as characterized in sexual reproduction; AND ALSO in the absence of a mate undergoes mitosis, binary fission etc as characterized in asexual reproduction.

4 0
3 years ago
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Blood is a tissue because it is made up of different types of specialized cells.
Kruka [31]
Plasma, water, salt, protein, platelets
5 0
3 years ago
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Some have speculated that the origin of life occurred at geothermal vents. amino acids can form there. compared to the amino aci
cluponka [151]

There are a number of amino acids that have formed under certain environmental conditions if the required elements are present and the energy conditions ar compatible with chemical assembly. These conditions have also allegedly formed amino acids on meteors, asteroids and comets.


But, amino acids are a very minor component of more complex biochemical assemblies required for life. Pentose sugars are also required, which form under different environmental conditions than amino acids. More importantly, only left-handed homochiral amino acids and right-handed homochiral sugars can form functioning biochemical assemblies that are viable in an organism. But, natural conditions, like hydrothermal vents only produce racemic versions of sugars and acids, meaning they are always approx. 50% left and right handed. This is fatal to forming viable biochemical assemblies.


Further, it is not possible for all of the 20+ homochiral amino acids needed for a living organism to form naturally. The only ones found have been the simpler amino acids. Also, the 4 critical nucleotide amino acids, C, G, A, T, do not form naturally, are not homochiral, nor in the right proportions.


The geo/hydrothermal vent conjecture is nonsensical. These are open systems, susceptible to currents, mineral contamination, salinity, ph, and temperature, making them a totally unacceptable environment for the precise and exact placement of elements to assemble to form life.

3 0
3 years ago
Once cells have specialized and are performing a specific function they cannot.
deff fn [24]
Undergo differentiation 
become stem cells 
turn on all of the genes found in the nucleus 

some cells can undergo cell division
7 0
3 years ago
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