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vodka [1.7K]
3 years ago
5

Describe the effect that increasing the calcium ions had on the heart in this activity. how well did the results compare with yo

ur prediction?
Biology
1 answer:
aksik [14]3 years ago
5 0
Dhhhhhhhhhhhhhhhhh hddddddddddddddddddda dfffff
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In a population, a specific gene has two alleles, 'A' and 'a.' Individuals with
san4es73 [151]

Answer:

In a population, a specific gene has two alleles, 'A' and 'a.' Individuals with

genotype 'aa' die in early childhood. Individuals with genotype 'Aa' have a

higher rate of surviving and reproducing than individuals with genotype 'AA.'

This phenomenon is called survival of the fittest, Darwins law which entails the fittest organisms survives while the ones that could not would go into extinction

Explanation:

6 0
3 years ago
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Darius created what economy for the use of coins for goods ?
Bond [772]

Answer:

The correct answer is -  A. Trade

Explanation:

Darius the emperor of the Persian empire was the first Persian emperor to use a coin system for goods, services, and even for tax which makes his economy large and developed his empire, and created a new capaital. Darius used a gold minted coin system for trade for the goods and services and salaries to the army which made his empire popular and a large economy. His economy was a trade economy as coins were used for the different type of goods, foods and services.

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3 years ago
Name a involuntary muscle
n200080 [17]

Involuntary muscles are the muscles that move without conscious control of the organism and are controlled by the autonomic nervous system.

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• the ,cardiac muscle, (,heart,)

,

• smooth muscles,, like the ones found in the ,stomach,, ,intestine,, and, bladder.

3 0
1 year ago
Which system coordinates the body's response to changes in its internal and external environment s?
damaskus [11]
The nervous system does this!
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4 years ago
Suu-OS
Colt1911 [192]
I would say A is the correct answer. B and C are definitely wrong, and I think D is talking about genes and not chromosomes.
4 0
4 years ago
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