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Dmitry [639]
3 years ago
14

According to the modern theory of evolution, ...

Biology
1 answer:
dybincka [34]3 years ago
8 0

The answer is (d)

Evolution is the process of inheriting and passing on desired traits.

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when muscle tissue dies, it usually is replaced with dense irregular collagenous connective tissue. How do these tissues differ
sattari [20]

the dense connective tissue is a scar tissue. It doesn't exert forceful contraction like muscle. The muscle as a whole is still functional although the contraction will be weaker.

The muscle is still functional because the connective tissue only replaces the damaged parts of the large muscle.

5 0
4 years ago
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All of the following statements regarding the pathogens that cause tetanus, anthrax, and botulism are correct except:
Vladimir [108]

Answer:

b. all three pathogens are obligate anaerobes.

Explanation:

Tetanus is caused by an <u>exotoxin</u> produced by the bacterium <em>Clostridium tetani</em>, which is normally f<u>ound in the soil</u>, although it may be present in the intestines of mammals. It is an <u>anoxic and spore-forming bacteria</u>. It enters the body through wounds or deep punctures, finding in the wound the anoxic conditions to germinate its spores, producing its potent toxin.

Anthrax is caused by the bacterium <em>Bacillus anthracis</em>, which is a stationary and <u>endospore-forming </u>bacteria that is resistant to high temperatures and chemicals. It is a <u>strictly aerobic</u> bacterium and can be <u>found naturally in the soil</u>. Both animals and humans can breathe or ingest spores of this bacterium by consuming meat or contaminated water. When spores get into the body, their turn into active cells and <u>produce exotoxins</u>

Botulism is caused by the pathogen <em>Clostridium botulinum</em>, a s<u>trict anaerobic</u> bacillus, producing <u>endospores and 8 different types of toxins</u>. Being a <u>soil-borne bacterium</u>, it usually appears in the food of animal and vegetable origin.

3 0
4 years ago
What are the advantages of knowing the diameter of the field of view at a given magnification
aliya0001 [1]

Answer:

If I can deternine the field-of-view diameter, it makes it easy for me to determine the size of an organism in the field of view.

Explanation:

The advantages of knowing the diameter of the field of view at a given magnification are that I can have a mental picture of the approximate size of how large the specimens are when I can’t certainly determine them with a simple ruler and the metric system. It also enriches me with a good concept of vital ideas of the size of my samples and the size of what’s the organism.

8 0
3 years ago
If a watershed includes a polluting factory, how will the factory affect the water source of a downstream town?
Tema [17]

I also agree. It is B

6 0
3 years ago
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Mary is in an automobile accident and suffers a spinal cord injury. She has lost feeling in her lower body. Her doctor tells her
Dennis_Churaev [7]
<h2>C) option is correct </h2>

Explanation:

  • The spinal cord has numerous groups of nerve fibers going towards and coming from the brain
  • These have been collectively called the ascending and descending tracts of the spinal cord, respectively, these tracts are responsible for carrying sensory and motor stimuli to and from the periphery (respectively)
  • The ascending tracts transmit sensory information from the sensory receptors to higher levels of the CNS
  • The descending tracts originate from different cortical areas and from brain stem nuclei
  • The descending pathway carry information associated with maintenance of motor activities such as posture, balance, muscle tone, and visceral and somatic reflex activity
3 0
4 years ago
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