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tia_tia [17]
3 years ago
14

The diameter of many blood vessels is controlled exclusively by the ________ nervous system, and decreases in the activity of th

is system result in _________.
Biology
1 answer:
lara31 [8.8K]3 years ago
8 0
By the sympathetic nervous system 
system result in vasodilation 

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What is the backbone of the dna structure composed of?
Reptile [31]

Answer:

Each DNA strand within the double helix is a long, linear molecule made of smaller units called nucleotides that form a chain. The chemical backbones of the double helix are made up of sugar and phosphate molecules that are connected by chemical bonds, known as sugar-phosphate backbones.

Explanation:plz mark me as brainliest

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3. Explain what the difference is between an oxygen atom and an oxygen molecule.
max2010maxim [7]

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An oxygen atom is what is found on the periodic table. The Oxygen atom is made of 8 proton, 8 electrons and generally 8 neutrons.The oxygen molecule is made of two oxygen atoms that have formed a double bond with each other and share valence electrons.

Explanation:

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3 years ago
In psychology, the term nature refers to traits that are a result of ___.
Taya2010 [7]
In psychology, the term nature refers to traits that are a result of heredity. <span>Plato (428–347 BC) believed that people’s ability to think, feel and interact are innate and natural. That is, the person already had a set of its characteristics by the moment he or she was born through his or her genes passed on from his parents. He believed that people already have the certain tendency to react to a certain stimulus even before he was taught by his environment.</span>
6 0
3 years ago
Match each of Darwin's ideas to the earlier scientist whose work helped Darwin develop the idea.
mamaluj [8]

Answer:

Lamarck:

The inheritable traits of species may change over time.

Malthus:

In every species in nature, some individuals survive while may others die.

Hutton, Lyell:

The environment of organisms may change over time.

Explanation:

Darwin's revolutionary ideas were influenced by a number of scientists and thinkers of the time:

Jean Baptiste Lamarck:

A botanist and zoologist, Lamarck, for, the first time, proposed the idea of evolutionary changes or adaptations in organisms in response to changes in the environment. He introduced the concept of inheritance of acquired characters.

Thomas Malthus:

Thomas Malthus was not a biologist, but an economist who proposed the ideas that at the rate of the current population growth, human population would eventually suffer from famine and starvation.This would lead to the deaths of the weakest of the population. This idea inspired Darwin to formulate the idea of "the survival of the fittest".

Charles Lyell and James Hutton:

Charles Lyell and James Hutton were famous geologists who greatly influenced Darwin with their theories about the beginning and evolution of the Earth. Charles Lyell proposed that the present state of the Earth was a result of small, gradual changes. James Hutton theorized that the processes that too place at the beginning of the Earth were still in progress.

Lyell and Hutton's work paved the way for the formulation of the theory of natural selection.

6 0
3 years ago
Select all that apply.
kvasek [131]
A   
it picks up oxygen 
3 0
3 years ago
Read 2 more answers
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