Genetic variation is the raw material for natural selection. It is part of evolution.
What is evolution?Evolution refers to descendence with modification, which especially happens due to natural selection.
Natural selection is the process of differential survival and reproduction of the fittest (more adapted) organisms.
Genetic variation is the raw material used by evolution to 'select' the phenotypically more adapted organisms in a given environment.
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Pick an element in a common molecule.
-how many protons?
-how many neutrons?
-how many valence electrons?
Molecule:
-what atoms are found in your molecule?
-how many of each type of atom do you have?
-what are the atomic masses for each Atom?
SOMEONE PLEASE HELP ME IM SO BAD AT SCIENCE
Answer:
nitrogen and h20
Explanation:
protons:7
neutrons: 7
valence electrons: 5
atoms:hydrogen and oxygen
# of each type: H 2 O 1
atomic mass: H 1.00794 O 15.9994
this is all found on the periodic table btw
Antibodies are ________. Group of answer choices B. Edema-causing A. buffers C. giant protein molecules D. large peptide molecules
Antibodies are located in human body,and they are giant protein molecules.
What are antibodies?Antibodies are protein molecules, they are large and are used by the immune system to identify objects that are foreign such as harmful microrganism.
They can also destroy the effect of this foreign body by identifying the pathogens antigens.
Therefore, antibodies are giant protein molecules.
Learn more on antibodies here
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Why does the white blood cell perform
endocytosis to move the bacteria or virus
to the centre of its cell.
in cows, the gene for the black color is incompletely dominant to the brown color. heterozygotes are roan color (mixed). a black cow is crossed with a brown, show probabilities of each genotype and phenotype.
When an object is in motion, it possesses what type of energy?
А
potential energy
B
kinetic energy
с
thermal energy
D
chemical energy
When an object is in motion, it possesses kinetic energy.
Option b is the only correct answer
What is kinetic energy?Kinetic energy is the energy a body has or possess due to its relative motion.
Some few examples of kinetic energy are as follows:
RunningWalkingCyclingCar movementAeroplane flyingLearn more about kinetic energy:
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which of the following is a biotic factor within an ecosystem
a- the climate in the area
b- the herbivores that feed on producers
c- the amount of oxygen in the air
d- the amount of sunlight
True or false? Enzymes are made of proteins.
Answer:
true, enzymes are made of long amino acid chains and can speed up reactions. they are also a catalyst.
Explanation:
how animals and plant transport system is different from each other?
Answer:
Hello! My name is kaori and today ill be helping you to finding the correct answer you need Let's begin.
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♡ Animals
• Speciliased tubes-arteries
• Speciliased tubes-arteriescapillaries in the veins
• all tubes are composed of living cells
• the concentration of substances transported is controlled
• the heart controlls the circulatory system. the heart is controlled by the nervous system.
• the rate of flow is moderate and is regulated by vasoconstriction and vasodilation
• the subtances being transported are respiratory gases, amino acids, glucose, vitamins, fatty acids etc
☆ Plants
• Spealised tubes -xylem vessels and trachids and phloem seive tubes
• Spealised tubes -xylem vessels and trachids and phloem seive tubes• some tubes are composed of living cells
example: phloem otherbare composed of dead cells
• the concentration of the substances being transported is NOT controlled.
• there is NO such control in plants
• the rate of flow in xylem and phloem is quite slow
• substances being transported are: amino acids, sucrose, fatty acids, etc.
HOPE THIS HELPED YOU.
Structures that are anatomically similar because they were inherited from a common ancestor are called ____________ structures.
Answer:
Homologous structures
Explanation:
Physical features may be considered homologous or analogous, but what does this mean? Homologous structures are similar physical features in organisms that share a common ancestor, but the features serve completely different functions. An example of homologous structures are the limbs of humans, cats, whales, and bats
BRAINYEST QUESTION
Because the woman was known as a philanthropist, the charity group approached her for a donation.
What does the word philanthropist mean in this sentence?
A)someone who owns a business
B)someone who has inherited money
C)someone who makes a lot of money
D)someone who donates to charitable causes
Answer:
the answer is D now give me brainlest
Explanation:
The consumption of carbohydrates is most likely to:.
Answer:
Thanks for posting your question on Brainly!
Explanation:
The answer:
Trigger the release of serotonin which reduces tension and anxiety.
The space in the chest between the lungs is called the Group of answer choices diaphragm. mediastinum. alveolus. sinus cavity. pleural cavity.
Answer: The space in the chest between the lungs is called mediastinum.
PLEASE HELP ME 50 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!
Some scientists have suggested that the Protista kingdom should be split into several groups instead of remaining as one group. Which of the following provides the best argument for dividing up the Protista?
Answer:
Apart from being unicellular and eukaryotes, the Protista have very little in common.
Explanation:
Answer:
The answer is NOT Colonial Protista have much more in common with other multicellular organisms than they do with unicellular Protista
Just took test
In the process of digestion, nucleic acids are broken down into _____, and fats are broken down into ________.
Answer:
nucleotides, fatty acids, and glycerol
Explanation:
In the process of digestion, nucleic acids are broken down into nucleotides, and fats are broken down into acids, and glycerol.
When you write your paper, be sure to answer these questions. (Use these questions as guides for writing, but don't
actually write out the questions and then answer them.)
1. How does the condition develop?
2. When does it develop?
3. Do certain races, a certain gender, or certain types of people get it more often than others?
4. What does it look like in a person?
5. What are the limitations a person has?
6. Is prevention possible?
7. What treatments are available, if any?
8. How do people manage and cope with the condition?
9. How can we be sensitive to people with this type of physical challenge?
It gets inherited from parents to the offspring. It's genetically transmitted neurobiological condition.
When does it develop?It develops at preteen age generally between the age of 11-13
Do certain races, a certain gender, or certain types of people get it more often than others?The male population get affected by it more than it's counterparts. People with suffered parents and a bad environment to grow in are more likely to get suffer from this disorder
What does it look like in a person?A person suffering from ADHD is likely to have more anxiety and depression thsn than the person who's the exact same age group. These people have difficulties learning things , sorting them out etc.
What are the limitations a person has?These people don't stick around for long around things or people ,they struggle with timelines and remembering things
Is prevention possible?A healthy environment,diet and a physiologist can help a person to overcome this disorder
What treatments are available, if any?Currently there is no treatment in sight apart from therapies, meditation and yoga which calms one's conscience
How do people manage and cope with the condition?Most time ,People suffering from ADHD, prefer to stay alone or being left out as their anxiety increases around people & go out for walks,in the nature or practice their favourite things
How can we be sensitive to people with this type of physical challenge?We can show some empathy to them , respect their personal space and their opinions and also try to label our feelings and thoughts shared with them
According to Charles Darwin's Theory of Evolution, natural selection involves the survival of the...
(a) weakest (b) most populous (c) youngest (d) Fittest
(Wassce, Year 1999, OBJ, No.59)
(D) Fittest
Because only species with certain adapting features could survive in a given environment.
Hello there! I am EnjoyingLife, and I hope you find my answer helpful!
Natural selection involves the survival of the fittest organisms
Why?
The weakest organisms will not surviveOrganisms should be adapted to their environment in order to survive.Thus, the answer is Option D [fittest}Hope it helps!
Have an amazing day!
Good luck!
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What are the steps to compDNA replication
Because the woman was known as a philanthropist, the charity group approached her for a donation.
What does the word philanthropist mean in this sentence?
A)someone who owns a business
B)someone who has inherited money
C)someone who makes a lot of money
D)someone who donates to charitable causes
Answer:
D
Explanation:
Charity approached her because they new she would donate her money.
describe in four (4) complete sentences different
images that analyze related to Ocean Acidification.
Answer: carbonic acid, (H2CO3), a compound of the elements hydrogen, carbon, and oxygen.
Bicarbonate, HCO3, is a byproduct of your body's metabolism.
A carbonate is a salt of carbonic acid (H2CO3), know by the presence of the carbonate ion, a polyatomic ion with the formula of CO 2− 3.
Calcium is a mineral most often associated with healthy bones and teeth,
The smallest unit that can carry out all activities associated with life
Answer:
Cell is the most basic unit of any organism, smallest unit of life that can function independently and perform all the necessary functions of life, including reproducing itself. All living organisms are made up of one or more cells. The cell is the smallest thing that is alive.
Explanation:
Mary has type A blood. Her son Bill has type AB blood. Which blood type does Bill's dad have if he is homogenous for blood type?
A
B
AB
O
Answer:
His blood type is B
Explanation:
Binomial nomenclature includes 2 parts, what are the 2 parts that make up a scientific name?.
Answer:
ldont knowmy colleagues please
Which of these best describes the practice of management?
cataloguing and following a health plan
providing and documenting a healthy diet
building and maintaining a clean habitat
treating and preventing illnesses and pests
Explanation:
building and maintaining a clean habitat treating and preventing illness and pests
Which of these statements about Earth’s magnetic poles is NOT correct?
The magnetic poles move around.
Earth’s magnetic field lines curve in toward Earth at the magnetic poles.
The magnetic poles are located at the geographic north and south poles.
Auroras form near the magnetic poles
I AM BETTING 70 POINTS SO RIGHT ANSWERS ONLY
Its Option 1 : The earth magnetic field is primarily a dipole that is ithas two poles. This brings the North and south magnetic pole.
Answer:
The magnetic poles are located at the geographic north and south poles IS THE INCORRECT ANSWER
Eukaryotic cells have DNA enclosed in a double membrane called the nucleus. The nucleus functions to
Separate the DNA from other activities that occur in the cytoplasm.
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Why is a single base insertion or deletion likely to drastically change how the rest of the genetic code is read?
The genetic code is of utmost importance as a slight change in it can change the characteristics of an organism. Just like that base insertion or deletion can cause shifting of frame and can result in a change of the nucleotide sequence causing mutation.
What are the types of mutation?Mutation is any change in the genetic sequence that can lead to changes in the genome.
It can be of the following types:
Germline mutation: In gametes, germline mutations occur. Other cells in the body experience somatic mutations.Chromosomal alterations: these are mutations that change the structure of the chromosome.Point mutations: it affects only one nucleotide.Frameshift mutations: these are nucleotide additions or deletions that cause a shift in the reading frame.Thus, base insertion or deletion likely to drastically change how the rest of the genetic code is read as it result in frameshift mutation.
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William has Brown eyes. Is it likely that both of his parents have blue eyes?
Answer:
Brown eye genes are more dominant than blue or green eye gene. He most likely got the brown eye gene from his mother. People don't necessarily have blue eyes just because their parents do. Both parents are probably heterozygous for blue eyes.
Explanation:
Answer:
No
Explanation:
Blue eyes are a recessive trait while Brown eyes are a dominant trait. Two recessive traits = the recessive trait. One dominant trait + one recessive trait = the dominant trait.
Hope this helps <3333
~Silver
define breathing pls.
Hope it helps ~
I have 10 minutes left
Answer:
The answers you selected are correct
How is electromagnetic radiation created by the sun?
Answer:
Nuclear Fusion
Explanation:
The Sun gets its energy from the process of nuclear fusion. This process occurs in the sun's core or interior