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BlackZzzverrR [31]
3 years ago
8

Class reptilia and class amphibia share many traits. Name these shared traits

Biology
1 answer:
spin [16.1K]3 years ago
7 0

Answer:

Explanation:

Amphibians are group of animals that live a double life; one in water with gills and the other on land with lungs (at maturity). They include frogs, newts, salamanders etc.

Reptiles ( meaning to creep under shadow of darkness) are group of animals that possess scales. They include snakes, crocodiles, lizards etc.

Reptiles and amphibians are distantly related but share some traits including:

1. They are both poikilothermic (cold-blooded) animals i.e. their body temperature is dependent on that of the environment's.

2. They both lay eggs externally, although that of amphibians is fertilized after being layed

3. They both possess lungs for gaseous exchange, although, amphibians use gills in water.

4. Both reptiles and amphibians belongs to Chordata i.e. they both possess a vertebrae column (backbone)

5. Most reptiles and amphibians make use of the same defensive and attacking traits as a pretty and predator respectively. They employ camouflage, biting and inflating of their body size.

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Answer: Systolic pressure.

Explanation:

Every time the heart beats, it pumps blood into the arteries, which are vessels through which blood circulates from your heart to your tissues with the oxygen and nutrients they need. Blood pressure is the force of the blood pushing against the walls of the arteries, and is highest when the heart beats, pumping blood, which is measured as systolic pressure (i.e., when the heart contracts). On the other hand, diastolic blood pressure refers to the pressure of blood in the artery when the heart relaxes between beats (i.e., when the heart relaxes). Since there are two types of pressures, blood pressure readings are given in two numbers, with the top number being the systolic pressure and the bottom number being the diastolic pressure.  

For example, if the systolic pressure measured in a person is 125 millimeters of mercury (mm Hg) and the diastolic pressure is 85 mm Hg, the blood pressure is recorded as 125/85.  

So, <u>the systolic blood pressure is registered with the stethoscope when the cuff is deflated.</u> When two heartbeats are heard, the pressure gauge reading is recorded. <u>When the heartbeat ceases, the cuff pressure is released and the diastolic pressure is measured at this time.</u>

4 0
3 years ago
Question 9 (1 point)
Dimas [21]

Answer:

True

Explanation:

It is true as in Mendel's law of inheritance

7 0
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kupik [55]

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1,2 and four

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Ribonucleic acid (rna) and additional deoxyribonucleic acid (dna) surrounds genes. in a process called_____, they enhance, silen
aleksley [76]

Ribonucleic acid (rna) and additional deoxyribonucleic acid (dna) surrounds genes. in a process called methylation, they enhance, silence, or alter genetic instructions.

<h3>What is DNA methylation?</h3>
  • Adding methyl groups to the DNA molecule is a biological process known as DNA methylation. Methylation has the ability to change a DNA region's activity without changing the sequence.
  • When DNA methylation takes place at a gene promoter, it frequently decreases gene transcription.
  • DNA methylation plays an important role in a number of critical processes in mammals, including aging, cancer, X-chromosome inactivation, genomic imprinting, and transposable element repression.
  • The majority of eukaryotic genomes contain DNA methylation, a dynamic epigenetic alteration. It is well recognized to cause a high rate of CpG to TpG mutations.
  • However, nothing is known about the connection between the rate of germline mutation and the dynamics of methylation during germline development.

Learn more about the DNA methylation with the help of the given link:

brainly.com/question/6612810

#SPJ4

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1 year ago
Need help I don’t understand
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its asking for you to check the box if the item is preset in the cell hint: eukaryotic cells have a nucleus so you would say yes in the box. but since prokaryotic cells don't have a nucleus say no in the box

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