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Licemer1 [7]
3 years ago
14

What are the four essential components of natural selection?

Biology
1 answer:
aksik [14]3 years ago
5 0
Overproductionmore offspring can be produced than can survive to maturitygenetic variationwithin a population, individuals have different traits and the traits can be inherited.struggle to survivecompete for food and shelterDifferential reproductionorganisms with the best adaptations are most likely to survive and reproduce<span>
</span>
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Why is meiosis important for sexua<br> reproduction?
Shtirlitz [24]

Answer:

Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.

4 0
2 years ago
In order to prevent accidental needle stick injury and potential exposure to infectious agents, what should you do with needles
GREYUIT [131]

In order to prevent accidental needle stick injury and potential exposure to infectious agents, some preventive measures should be taken like use of alternatives, proper disposal of used needles, proper management, avoid spills, take common precautions, participate in education programme etc.

Preventive measures are:

1) When safe and efficient alternatives are available, avoid using needles.

2) Recapping or bending needles that could be infected is not advised.

3) Bring sharps containers with standard labels that are impervious to leaks and punctures to clients' houses. Don't assume there will be any such containers. Sharps and used needles that could be contaminated should be promptly disposed of in the containers.

4) Before using, make a plan for the proper management and disposal of needles.

5) Containers for sharps should be kept out of children's, pets', and other people's reach.

6) Transport used sharps containers securely to avoid spills.

7) Consistently observe common precautions, infection prevention, and hygiene standards.

8) Participate in the bloodborne pathogens education programme offered by your workplace.

Hence, In order to prevent accidental needle stick injury and potential exposure to infectious agents, these preventive measures should be taken.

Learn more about Needle stick safety here

brainly.com/question/10314987

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5 0
2 years ago
Match the word to the best sentence.
OLga [1]
Don’t mind me just need to answer a question
7 0
2 years ago
An individual may suffer from ________ if there is a disruption in the brain signals that are sent to the muscles that regulate
Mrrafil [7]

The central sleep apnea is a condition, in which the person rapidly stops and starts breathing during the sleep.  

The condition of the central sleep apnea is due to the change in the signaling pattern during the time of sleep. During this process, the respiratory centers present in the brain do not respond well and sometimes do not send signals to the muscle responsible for respiration.

Hence, the given blank can be filled with central sleep apnea.


3 0
3 years ago
Homologous chromosomes:
Diano4ka-milaya [45]

Answer:

a. carry genetic information that influences the same traits.

Explanation:

Homologous chromosomes are the pairs of chromosomes. One chromosome of a pair is derived from the egg cell while the other comes from sperms. Two chromosomes of a pair carry the gene for the same traits. For example, two copies of chromosome 21 would carry the genes for the same traits in humans. However, these two chromosomes of a homologous pair may have the same or different alleles for a particular gene.

If chromosome 21 carries the gene for eye color in humans, the paternal chromosome may have the allele for blue eyes while the maternal chromosome may carry the allele for the black eyes. However, both of them have the "gene for the same traits (eye color)".

5 0
3 years ago
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