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Archy [21]
2 years ago
8

Homologous structures and analogous structures are both evidence of a single common ancestor for more than one species.

Biology
1 answer:
MissTica2 years ago
6 0
True i hope this is correct
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Unidirectional flow in the heart is ensured because the heart contains ___________.
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<span>Unidirectional flow in the heart is ensured because the heart contains valves that prevent backflow.

These valves keep the flow of the heart going in one direction (hence the name "unidirectional").</span>
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3 years ago
What role do variations have in the theory of evolution by natural selection?
Black_prince [1.1K]

Answer:

Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others. ... Through this process of natural selection, favorable traits are transmitted through generations.

3 0
3 years ago
Challenge: A chemical equation is balanced when each side of the equation includes the same number of each type of atom.
nirvana33 [79]
If the reactants are the same the equations are balance but if the reactants are not the same you have to make them balance, however if the reactants are not balance  in order to balance the equation you need to use coefficient to balance the reactants and products of particular chemical reaction.
yet for Photosynthesis the equation 
CO_2 + H_2O => C_6H_12O_6 + H_2O + O_2
Find the ugliest Compound in equation and do not balance first the repetitive Element.
A)So the ugliest one is C_6H_12O_6 and the C is not repetitive and have six atoms so there fore we multiply 6 as coefficient with carbon dioxide.
6CO₂+ H₂O → C₆H₁₂O₆+H₂O+O₂ but oxygen will get 12 atoms because is to all Carbon dioxide.
B) Then we have carbon balanced then we are going to balance Hydrogen, yet on product side it have 14 but on the reactant side it have 2 but Oxygen on product side is 9 there but on reactant side we have 1 so there fore we have to multiply water on reactant side by 12 and on product side multiply water with six and in addition multiply oxygen with 6 which land you at:
6CO₂+ 12H₂O → C₆H₁₂O₆+6H₂O+6O₂.
so we will have 24 hydrogen and 24 oxygen on both sides. 
Hope that helps you.

6 0
3 years ago
In the visual analogy of a cell as a factory, what two functions of the nucleus are represented? How are these functions illustr
ludmilkaskok [199]

The control center of the factory.


5 0
3 years ago
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Within a plant cell, the glucose formed as a result of
Mademuasel [1]

Answer:

an energy source during cellular respiration

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2 years ago
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