The body systems that work together to protect the body from pathogens are the immune system and circulatory system.
What are body systems?Body systems are groups of organs, tissues and cells that act to perform one or more specialized functions.
The immune system is an organ system that acts to protect the body against the entry of pathogenic organisms such as bacteria.
In conclusion, the body systems that work together to protect the body from pathogens are the immune system and circulatory system.
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If a friend or family member tells you that a certain supplement works wonders on your immune system. How would you do research to verify their claims? Make sure that you give examples of reliable sources of scientific information.
Answer:
1. Look for the USP or ConsumerLab label
2.Purchase dietary supplements made in the United States and from established outlets
Explanation:
1. Dr. Yeung says that a good way to ensure that a dietary supplement is of high quality and not contaminated or adulterated with other materials is to purchase products with labels
2 Compared to products imported from countries where regulations are unclear or relatively lax, domestically manufactured ones are likely safer, advises Dr. Yeung
If a friend or family member tells you that a certain supplement works wonders on immune system, Look for the USP or Consumer, Lab label and Purchase dietary supplements made in the United States and from established outlets
What is immune system?The Immune System composed of different types of cells and molecules, which protect our body against pathogens.
Pathogens are defined as everything from parasites to fungi, bacteria, viruses and haptens. Haptens are molecules that may cause an immune response when they come in contact with a protein.
These cells and molecules are distributed in all the tissues of the body as well as lymphoid organs, which eliminate or prevent microbial infections to decrease the growth of tumors and start the repairing process of damaged tissues.
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What is the pattern for speciation
Answer:
There is two. Geographic separation (allopatric speciation) and through mechanisms that occur within a shared habitat (sympatric speciation)
Hope that helps. Goodluck!
name the type of inheritance shown by thes plants
Answer:
Inheritance that can happen from these flowers (red and white) can make pink flowers by incomplete dominance. Where they appear to blend together by the definition of incomplete dominance.
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correct me if i’m wrong
brainliest please?
In which of the atmospheric layers is the ozone layer located?
A: Troposphere
B: Stratosphere
C: Mesosphere
D: Thermosphere
4. Explain why there are very few or no plants at the bottom of the ocean. Name the oceanic zone that has NO
light.
Answer:
After the aphotic zone, there's complete darkness. From 1,000 meters below the surface, all the way to the sea floor, no sunlight penetrates the darkness
Explanation:; and because photosynthesis can't take place, there are no plants, either.
Which describe an attribute of nonrenewable resource
Answer:
A nonrenewable resource is a substance that is being used up more quickly than it can replace itself.
DUE TODAY 60 POINTS
Which is an example of genetic drift?
A. Artificial selection creates vegetables resistant to insects.
B. Allele frequencies change randomly each generation.
C. Females choose mates, resulting in large males.
D. Polygenic traits change due to directional selection.
Answer:
i think the answer is b
Explanation:
B. Allele frequencies change randomly each generation
Answer:
B
Explanation:
Genetic drift is the alteration of different genotypes in a small population which can cause individuals and organisms getting wiped out, not being able to reproduce, and disappearance. Allele frequencies change randomly each generation in a gene pool (collection of different genes present in a particular population: species in this gene pool have a choice to leave the gene pool or die out).
Which statements are true about the
nucleus? pick 2
it controls what goes in and out of the cell
it gives the cell shape and structure
it is the brain of the cell and it tells the other cell
parts what to do
it holds the cells DNA
Answer:
It is the brain of the cell and it tells the other cell parts what to do.
It holds the cell's DNA
What are the components of DNA? What’s the structure of nucleotides and how do they connect?
Answer:
Components of DNA includes ribose sugar, phosphate group and four nucleotides(Adenine,cytosine,thymine,guanine).
Explanation:
DNA is made up of two linked strands that are wrapped around each other in a coiled pattern forming the double helix.Each strand of the DNA is made of a backbone that consist of a ribose sugar and a phosphate group.Each phosphate group is attached to one of the four nucleotides(Adenine,cytosine,thymine,guanine).The two strands of a single DNA molecule are linked by the nucleotides.Adenine and Guanine are called purines.cytosine and Thymine are called pyrimidines.Adenine from one strand makes a double bond with Thymine from another strand linking the two strands of DNA molecule.Cytosine from one strand makes a triple bond with Guanine from another strand linking the two strands of DNA molecule.A picture of DNA and nucleotide structure is attached below.I hope it helps.Which of the following is WORST for the environment?
A: Reduce
B: Reuse
C: Recycle
D: Throw away
Answer:
Explanation:
Remark
If you throw something away, you have done nothing to try and make use of it. It's easy, quick and not environmentally friendly.
All the others help the environment.
Reduction means there is less to throw away.
Reuse means that the object gets a new life of usefulness so it is not thrown away. .
Recycle means that that something that would take years to decompose, is done very quickly and hopefully efficiently.
It is throw away because those are the ones which is used
an example of a biotic factor in an ecosystem is
Answer:
abiotic factors are those which are non-living like physical conditions and chemical agents in the ecosystem.
Explanation:
is water capable of chemical weathering
?
Answer:
no no no no no no no no no no no no
V.O.C is the acronym for ___________________.
A: Very original components
B: Vast open containers
C: Violently oxidizing chemicals
D: Viotile organic compounds
Answer:
D
Explanation:
volatile organic compound
Which of the following is a group that is especially susceptible to air pollution?
A: Asthmatics
B: People in their 40's
C: High schoolers
D: Marathon runners
Answer:
asthmatics
Explanation:
air pollution effects asthmatics more, they have weaker lungs and low quality air would worsen that making them more susceptible I assume
Trey is explaining to his little brother Alex what he can expect to
happen to his body during puberty. Which statement of Trey's is
INCORRECT?
You will only gain muscle if you work out like I do.
O Your voice will get deeper, but it might "crack" from time to time.
O Your shoulders will get broader.
0 You will start to grow hair on your upper lip.
Answer:
The incorrect answer out of these choices is going to be, "You will only gain muscle if you work out like I do."
Explanation:
This is because there are many ways to gain muscle during puberty, and so saying that there is only one correct way is just simply incorrect.
Inhaled air has 0,03% carbon dioxide but exhaled air has 4,1% carbon dioxide. Account for the above difference in the amount of carbon dioxide. Please help.
Answer
C02 is produced in the body.
Explanation:
Every tissue in the body utilize oxygen for its metabolic activities and excrete carbondioxide.Every tissue is supplied by blood. Blood transports oxygen from heart to the tissues used for metabolic activity.Tissue produces carbondioxide as a result of metabolism.Blood transports back carbondioxide from tissues to lungs to expel it out from the body. Inside the lungs, CO2 from blood vessels diffuse into lung tissue (simple diffusion) and then lungs exhale it. That'why there is additional percentage of carbondioxide in the exhaled air.
I hope it helps.
TTA , the complementary (matching) strand of DNA would be?
Answer:
AAT
Explanation:
A pairs with T
C pairs with G.
Thus TTA pairs with AAT
According to complementary base pairing in DNA, the complementary strand of DNA would be AAT.
What is DNA?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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How does conservation benefit the environment?
ONLY ANSWER IF YOU KNOW!! NO SPAMS :)
Answer:
The answer is Mycellium.
Explanation:
Hope this helps! :)
Answer:
D
Explanation:
I'm pretty sure this is the answer
(Love your pfp btw)
Recessive traits would never reappear if
A. zygotes were given opposite
alleles
B. zygotes did not separate during gamete formation
C. alleles did not separate during gamete formation
Recessive traits would never reappear if zygotes were given opposite alleles.
What do you mean by Zygote?Zygote may be defined as the outcome of the fusion of male and female gametes after successful fertilization.
Recessive traits are only expressed when both the copies of recessive genes are inherited from the parents.
Therefore, recessive traits would never reappear if zygotes were given opposite alleles.
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How is predation involved in natural selection?
Answer:Selective predation can lead to natural selection in prey populations and may alleviate competition among surviving individuals. The processes of selection and competition can have substantial effects on prey population dynamics, but are rarely studied simultaneously.
Explanation:hope its help
The rate at which a parent atom creates daughter atoms is always
1.unstable and changing
2.constant and unique
3.unstable and rare
4.never found in nature
Answer:
2. Constant and unique
Explanation:
The rate at which a parent atom creates daughter atoms is always constant and unique. The process of cell division is a unique occurrence that happens with eukaryotic cells. These parent atoms go through the different phases at a constant phase, but when interruptions in the divisions happen, mutations and abnormality in the cell will take place.
Marcie feeds her dog 98 ounces of dog food each week. She has 6 pounds of dog food.
Does she have enough dog food to feed the dog for a week? How many ounces of dog food does she have?
Answer:
She does not have enough for a week. Marcie has 96 ounces.
Explanation:
6 pounds is 96 ounces. Since she needs 98 ounces, she does not have enough for a week.
the difference between mixture and compounds is that mixtures change their properties and have to go through a chemical change this is not true of compound
PLEASE HELP!
Which statements are true about the phenomena that occurs between the Sun, Earth, and moon?
A) The position of the moon is relation to the Earth and Sun at a given point determines its phase.
B) A lunar eclipse occurs when a full moon passes directly behind Earth and is covered in Earth's shadow.
C) On Earth, one day is the time it takes Earth to orbit the Sun one time.
D) Tides are caused by the gravitational pulls between the Earth and Sun.
E) The time it takes Earth to revolve once around the Sun is a year.
F) A solar eclipse occurs when the moon passes between the Earth and Sun.
Answer:
All the ones listed below are true
How does mutated DNA compare to unmutated DNA?
A: It is identical to the original strand.
B: It is single-stranded instead of double-stranded.
C: It is broken instead of continuous.
D: It is different than the original strand
Answer:
D. Its different than the original strand!
Hope this helps :3
Explanation:
I just took the K12 test :)
23. What’s that answer?
Answer:
D) codon, 3
Explanation:
Codons are made up of 3 nucleotides. The sequence of nucleotides is what differentiates the codons and signals for different types of amino acids.
Definition for chemical formula.
2.Imagine that you are a nitrogen molecule. Write a story about the
journey you take as you travel through the nitrogen cycle. Include
the following in your story:
A description of your trip through the cycle including (1) where
you went, and (2) how you got there;
A description of why your journey will never end;
Include as many of the following terms in your story as well:
Atmosphere
Bacteria
"Fixing"
Nitrogen
Consumers
Producer
Decomposition
Fertilizer
Manure
Runoff
Answer:
Water moves from the ground or oceans into the atmosphere through a process called evaporation. It's a process that happens on a molecular level when the molecules of water are really energized and rise into the air. Now you've got water in the air and water on land. Organisms all over the Earth need water to survive.
Explanation:
please brainless
A(n) _______ is an underground area where the rocks, gravel, sand, and clay are completely filled with water.
A: aquifer
B: point-source
C: watershed
D: water table
