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snow_lady [41]
4 years ago
11

61. What is the pH scale?

Biology
2 answers:
sladkih [1.3K]4 years ago
5 0

Answer: the solution is a acid

Explanation:

OleMash [197]4 years ago
4 0
61. A measure of acidity or alkalinity of water soluble substances. A pH value is a number from 1 to 14, with 7 as the middle point. Values below 7 indicate acidity which increases as the number decreases, 1 being the most acidic.
62. The pH scale typically ranges from 1 to 14, with lower numbers representing acids, higher numbers, bases. Neutral liquids like water have a pH of 7.
63. The pH scale ranges from 0 to 14.
64. A major problem with the use of fertilizers occurs when they’re washed off the land by rainwater into rivers and lakes.
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Categorize the examples of competition between organisms as interspecific or intraspecific.
Likurg_2 [28]
Interspecific competition
A type of competition in which organisms belong to different species compete with each others for same resources.
Example
Leopard and lion.
intraspecific competition
A type of competition in which organism belong to same species compete with each others for same resources.
Example
birds for breeding or shelter compete with each others
5 0
3 years ago
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Most caecilian species are totally blind as adults how do you think this characteristic has evolved?
geniusboy [140]
Your answer would be

<span> The eyes have atrophied (lack of use). 

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6 0
4 years ago
Compared to neurotransmitters, hormone effects are generally________.
Drupady [299]

Answer:

a. more widespread in the body and affect distant targets.

Explanation:

Hormones are released into the blood by the dustless endocrine glands and the circulating blood delivers hormones to cells throughout the body. Therefore, hormones affect the distantly located cells throughout the body. For instance, growth hormone released by pituitary gland affects soft and hard tissues throughout the body.  

On the other hand, the nervous system release neurotransmitters that affect the postsynaptic neuron or the muscle or gland cells present close to the site of their release. Target cells of neurotransmitters are more limited and include muscle (smooth, cardiac, and skeletal) cells, gland cells, and other neurons only.  

6 0
3 years ago
Please help!! Biology!!
murzikaleks [220]
It is an advantage because they approach their environments from all sides equally. 
4 0
3 years ago
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Which of the following is NOT part of the peripheral nervous system?
Ksju [112]

The correct answer is: B. spinal cord  

The nervous system can be divided into two subdivisions: the central nervous system (CNS) and the peripheral nervous system (PNS). The spinal cord and the brain are part of the CNS, whereas the PNS consists of the nerves that radiate from the CNS to all parts of the body. The PNS includes all neurons that sense and transmit information to the CNS.

The CNS controls thinking processes, movements, and registers the sensations throughout our body. Moreover, the PNS acts to transmit information from the CNS to all parts of the body.

The PNS is in turn divided into two main parts:

1-The Autonomic nervous system (ANS), which regulates involuntary functions and glands. The parasympathetic nervous system is one division of the ANS that controls visceral organs such as glands.

2- Somatic nervous system (SNS), which regulates voluntary muscle movement and transmits information from eyes, ears, and skin to the CNS.

Learn more in:

brainly.com/question/2156614?referrer=searchResults

7 0
3 years ago
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