What is needed for natural selection to occur? select all that apply.

Answers

Answer 1
reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.

Related Questions

Item 7
How do chloroplasts support cellular functions?

A) They provide structure to the cell.

B) They synthesize, sort, and package proteins.

C) They convert glucose into usable energy.

D) They convert energy from the sun into glucose.

Answers

Answer:

D) They convert energy from the sun into glucose.

Explanation:

and that question i posted because i wanted to see what people thought about it, and to answer my question

Answer:

They convert energy from the sun into glucose

Explanation:

I took the quiz

What must happen to a chromosome for it to become chromatin?

Answers

Answer:

Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5). ... However, when eukaryotic cells are not dividing — a stage called interphase — the chromatin within their chromosomes is less tightly packed.

Explanation:

The chromosomes will decondense in telophase back into chromatin

A network of small arteries called the ___________ provides a blood supply to the tunica externa of very large vessels.

Answers

Answer:

vasa vasorum.

Explanation:

which molecule is needed for photosynthesis to occur?

Answers

Answer:

Carbon dioxide and water

Explanation:

plants prepare their food in presence of these molecules to produce sugar and oxygen which we required for survive

Scientists often use fruit flies as a method to test hypotheses about human genes. Why are fruit flies advantageous in the study of human inheritance?
They can self-pollinate.
They lack nucleic acids.
They are very different from humans.
They reproduce quickly and take up little space.

Answers

Fruitflies are advantageous in the study of human genes and inheritance because they reproduce quickly and take up little space.

Advantages of using Fruitflies in the study of human genetics

Fruitflies are usually a subject for the study of human genes and inheritance for some reasons:

They have a simple genetic structureThey reproduce quicklyThey are quite small and hence take up very little space

The quick rate of reproduction makes fruitflies good subjects for studying mutation as well.

More on fruitflies can be found here: https://brainly.com/question/14944381

#SPJ5

They reproduce quickly and take up little space.

What is inheritance?

Fruit flies (Drosophila melanogaster) are advantageous in the study of human inheritance because they have several characteristics that make them well-suited for genetic research. One key advantage is their rapid reproductive cycle, with a generation time of about two weeks. This allows researchers to observe multiple generations in a short period, accelerating the study of inheritance patterns and genetic traits.

Additionally, fruit flies have a relatively small size, making it feasible to maintain large populations in a laboratory setting without requiring excessive space or resources. This allows for efficient experimental design and the ability to conduct large-scale genetic studies.

While fruit flies share some genetic similarities with humans, they are not identical to humans. However, their genetic and developmental processes have enough similarities to provide valuable insights into fundamental principles of inheritance and gene function, which can inform our understanding of human genetics.

Learn more about inheritance, here:

https://brainly.com/question/31199021

#SPJ5

Compare morphological and bio-
chemical evidence supporting
evolution.

Answers

The morphological evidence which is shown in fossils to modern animals supports evolution because some dinosaurs, for instance, had feathers and we can obviously see that trait today in birds. The biochemical evidence, which comes in the form of DNA comparison and amino acid similarities, shows that we related closely to monkeys and pigs, which suggests that we have close ancestors to these animals.

Morphological evidence: Physical structures and traits indicate evolutionary relationships.

Biochemical evidence: Genetic and molecular similarities indicate evolutionary relationships.

Evolution is supported by morphological evidence. Scientists can establish evolutionary links by analysing species' anatomy. Homologous structures, which have a common origin but diverse functions, reflect a shared lineage. Comparative examinations of bone structure, limb arrangement, or body plans can reveal evolutionary links.

Biochemical data emphasises genetic and molecular similarities between organisms. Scientists may compare DNA, protein, and other substances at the molecular level. Common ancestry and evolution explain these commonalities. Comparing genetic sequences can show how closely related species are and when they evolved from a common ancestor.

Learn more about evolution, here:

https://brainly.com/question/31440734

#SPJ6

white blood cells that circulate in the bloodstream and are an important part of the body’s immune system are called ________.

Answers

Answer:

Lymphocytes

Explanation:

A lymphocyte is a type of white blood cell that is part of the immune system. There are two main types of lymphocytes: B cells and T cells. The B cells produce antibodies that are used to attack invading bacteria, viruses, and toxins. The T cells destroy the body's own cells that have themselves been taken over by viruses or become cancerous.

From a plant cell leucoplast is removed. What will its effect be on the cell functioning?.

Answers

Answer:

Leucoplasts (λευκός leukós "white", πλαστός plastós "formed, molded") are a category of plastid and as such are organelles found in plant cells. They are non-pigmented, in contrast to other plastids such as the chloroplast.

Leucoplasts, specifically, amyloplasts

Lacking photosynthetic pigments, leucoplasts are not green and are located in non-photosynthetic tissues of plants, such as roots, bulbs and seeds. They may be specialized for bulk storage of starch, lipid or protein and are then known as amyloplasts, elaioplasts, or proteinoplasts (also called aleuroplasts) respectively. However, in many cell types, leucoplasts do not have a major storage function and are present to provide a wide range of essential biosynthetic functions, including the synthesis of fatty acids such as palmitic acid, many amino acids, and tetrapyrrole compounds such as heme. In general, leucoplasts are much smaller than chloroplasts and have a variable morphology, often described as amoeboid. Extensive networks of stromules interconnecting leucoplasts have been observed in epidermal cells of roots, hypocotyls, and petals, and in callus and suspension culture cells of tobacco. In some cell types at certain stages of development, leucoplasts are clustered around the nucleus with stromules extending to the cell periphery, as observed for proplastids in the root meristem.

Etioplasts, which are pre-granal, immature chloroplasts but can also be chloroplasts that have been deprived of light, lack active pigment and can be considered leucoplasts. After several minutes exposure to light, etioplasts begin to transform into functioning chloroplasts and cease being leucoplasts. Amyloplasts are of large size and store starch. Proteinoplasts store proteins and are found in seeds (pulses). Elaioplasts store fats and oils and are found in seeds. They are also called oleosomes.

emission meaning in biology?

Answers

Answer:

expelling, discharge, emission - any of several bodily processes by which substances go out of the body; "the discharge of pus" nocturnal emission - ejaculation during sleep (usually during a dream)

Explanation:

This is the correct answer happy

Answer:

An emission is something that has been emitted—released or discharged. In general, emissions consist of things like gas, liquid, heat, sound, light, and radiation. ... This exhaust is just one form of carbon emissions—greenhouse gases from various sources that are known to contribute to global warming and climate change.

hi madam , ek vicharu ka tumhala tumcha aani amol cha breakup zala ka?

Use examples to explain how the geosphere interacts with two other of Earth's spheres. Explain the interaction for each using complete sentences. HELPPPP

Answers

Answer:The interaction between Geosphere, atmosphere and hydrosphere: Geosphere interact with various spheres of earth and help in various cycles of element and performing different processes. One of the examples of such interaction is the geosphere interacts with the atmosphere and hydrosphere when a volcano erupts.

A volcano is a structure or the part of the geosphere which releases lava and particulate matter into the atmosphere where it plays a role as a center particle or nuclei for the water droplets which is come down into river and land in the form of rainfall which is a part of the hydrosphe

pls give me a branlest

What are the missing coefficients for the skeleton equation below? N2+ H2-->

NH3

(A)3,1,2 (B)1,3,3 (C)1,3,2 (D)1,1,2 (E)2,6,6

Answers

I choose the option C.
N2 + 3H2 = 2NH3

a can of pop has a mass of 0.30 kg. what is the weight of that can on earth

Answers

Answer:

the same but I would need to see the answer

the body system responsible for filtering wastes from the blood is the:

Answers

Answer:

urinary system

Explanation:

urinary system is responsible for filtering blood ,wastes and excessive water

If gastr/o is the combining form for stomach, what is the medical term that means removal of half of the stomach

Answers

Answer:

Hemigastrectomy

most of the surface area of a plasma membrane consists of

Answers

Answer:

50% liquid and 50% protien by wieght

how to call repudiation​

Answers

Answer:

can arise where a party indicates an intention to perform in connection with a contract but only in a manner substantially inconsistent with its obligations

Pls help pls 30 points and brainley for right answer.
Burton Arctic fish such as winter flounder survived by producing a protein that keeps your body fluids from freezing down to -1.5 degrees Centigrade this antifreeze protein or AFP works by binding two ice crystals preventing them from growing. AFP is produced in the fish's liver following directions in code and DNA of one gene scientists place the AFP Gene found in flounder into tomatoes what purpose do you think does genetic modification serves FULLY explain and discuss your thoughts.

Answers

Answer:

GMOs, are genetically modified organisms  whose genetic material has been altered using genetic engineering. Genetic engineering is the modification of an organism's phenotype by altering its genetic make-up. Genetic engineering is primarily performed by simple mating or gene recombination. Many have different opinions about using GMO's

Explanation:

The expulsion of urine from the bladder is referred to as:

Answers

Answer:

Urination or micturition

Explanation:

Fucus shows ______life cycle pattern
a)Haplontic
b)Haplo-diplontic
c)Diplontic
d)Diplo-haplontic​

Answers

Fucus shows the diplontic life-cylic.

Both the male and female fuse in the ostiole of the bump.

- BRAINLIEST answerer

Semiconservative DNA replication means that
A. each daughter DNA molecule is composed of one original strand and one new strand.
B. the sequence of a DNA molecule is preserved as it is being replicated.
C. each strand of a double-stranded DNA molecule is replicated differently.
D. the cell can proofread its newly synthesized DNA only part of the time.
E. nucleotides are constantly being recycled as cells make DNA.

Answers

Semiconservative DNA replication means that each daughter DNA molecule is composed of one original strand and one new strand (Option A).  It describes the mechanism of DNA replication.

In semiconservative DNA replication, both DNA strands separate and serve as templates to create new complementary DNA strands.

In consequence, each daughter cell has a molecule of DNA composed of an 'old' DNA template strand and a newly synthesized DNA strand.

The semi-conservative nature of DNA Replication was discovered by Meselson and Stahl.

Learn more in:

https://brainly.com/question/2114471

How to treat Scalp acne?

Answers

Answer:

1. Treat acne on the head with benzoyl peroxide

2. Use salicylic acid to clear pores

3. Use AHA to treat acne on the head

4. Cleanse the scalp with sulfur

5. Use a retinoid to apply to acne spots

Explanation:

When Emma first began dancing, her movements were ______ and awkward. Now, after several months of practice, Emma is able to produce fluid, smooth movements as a result of which of the following?

*all of the above is correct

Answers

Answer:

All of the above is the correct answer

Explanation:

Damselfish will fight over newly available territory. This is a direct interaction between individuals and is an example of

Answers

Answer:

This is a direct interaction between individuals and is an example of... Territorial agression!

Explanation:

territorial behaviour, in zoology, the methods by which an animal, or group of animals, protects its territory from incursions by others of its species. Territorial boundaries may be marked by sounds such as bird song, or scents such as pheromones secreted by the skin glands of many mammals.

Have an awesome day! :D

Members of the Native American Standing Rock Sioux tribe share history and bonds based on a common lineage of blood relatives. This form of relationship is also known as

Answers

Given what we know about the dynamics of distinct relationship types, we can confirm that the shared history and bonds based on a common lineage of blood relatives describe a relationship known as a kinship.

Kinship is the relationship being described in the question, it does not leave any room to further describe this word as its precise definition is that it is a bond based on common lineage and blood relationships.

The remaining options for the question have a common theme. These options are:

Household

Cohabitation

Village

What each of these have in common and the reason they do not describe the relationship being described in the question due to the fact that none of these options include a blood relation to the members involved. There are all situations of individuals living together, often with a common lineage, but do not specify a blood relationship.

This question was answered based on the complete question found online which states:

Members of the Native American Standing Rock Sioux tribe share history and bonds based on a common lineage of blood relatives. This form of relationship is also known as

a. cohabitation.

b. a household.

c. kinship.

d. a village.

To learn more visit:

https://brainly.com/question/8707167?referrer=searchResults

When is the kinetic energy of a pendulum the least?

Question 5 options:

On the path beginning the upwards swing.


Half the distance on the path traveling back down.


At the bottom of the swing.


At the top of the swing where it briefly stops before changing direction.

Answers

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The Correct choice is ~

" At the top of the swing where it briefly stops before changing direction "

before changing the direction, it stops for a while therefore the kinetics energy is almost zero at that particular moment ~

The answer is D - At the top of the swing where it briefly stops before changing direction. This is where potential energy is at its highest, meaning that kinetic energy is at its lowest. When the pendulum is beginning its upwards swing, it has a lot of kinetic energy. When it is half the distance traveling down it also has lots kinetic energy. When it is at the bottom it as well has a lot of kinetic energy. The only time where the kinetic energy is least is when the pendulum stops to change direction. Any form of stopping forced the object to loose its kinetic energy.

I hope this helps! :)

Circle the letter of the phrase that best completes the sentence.
The cell theory was
a. first identified in 1665
b. the end result of many scientific investigations.
c. described by Rudolf Virchow.
d. Both (a) and (b)

Answers

Answer: D

Explanation: the cell theory took many years to fully learn about and publish and many different scientists, biologists etc had to investigate in order to finalise the hypothesis. Also, it was first identified in 1665 by Robert hooke.

If there is oxygen around, how will muscle cells make ATP?

Answers

Answer:

Muscle cells can continue to produce ATP when oxygen runs low using lactic acid fermentation. ... Many yeast use alcoholic fermentation to produce ethanol

the age of fossils can sometimes be determined by radiometric dating, which is based on the constant rate of decay of radioactive isotopes. the time required for half of a radioactive isotope to decay is called the half-life of that isotope. for example, the isotope carbon-14 has a half-life of 5,730 years.

Answers

Answer:

17,190 years Radiometric dating is a technique for determining the age of fossils that is based on the fact that specific radioactive isotopes decay at a constant rate.

Explanation:

HELP ASAP PLS! just need 1 question:( i don’t understand what it’s asking !:(

Answers

Answer:

As the prey population increases, there is more food for predators. So, after a slight lag, the predator population increases as well. As the number of predators increases, more prey are captured.

Explanation:

Walking through a forest you
encounter fallen leaves, dead
organisms, a rotting stump. All of
these can be described as
A. autotrophs.
B. primary consumers.
C. trophic levels.
D. detritus.

Answers

Answer:

D

Explanation:

D is really decomposing waste of anytime so I think that’s the answer.

In a forest fallen leaves, dead organisms, a rotting stump. All of these can be described as detritus, hence option D is correct.

What are detritus in the ecosystem?

Detritus is a term used in ecology to describe organic stuff that comes from nearby terrestrial populations and falls onto the soil or into bodies of water, including leaves and other plant parts, animal remains, waste products, and other organic trash.

Detritivorous invertebrates, which are prominent elements of almost all ecosystems, eat detritus, which is a significant pool of carbon in the global carbon cycle.

Therefore, detritus food chains, in contrast to terrestrial food chains, begin with dead organic materials rather than producers or autotrophs, hence option D is correct.

Learn more about detritus, here:

https://brainly.com/question/28720920

#SPJ2

Other Questions
HURRY !! Give brainlest !!! The _[blank]. Act gave the Interstate Commerce Commission the authority to regulate railroad faresand inspect the financial records of railroad companies. Help Please Urgent SIxth Grade K12:Which statements correctly describe the religious beliefs of the early Chinese?Select all correct answers.A; The dragon would protect the emperor whether or not the emperor ruled wisely.B;The Chinese believed in one god.C: They practiced ancestor worship because they believed their ancestors took an interest in the affairs of the family.D; The dragon was an all-powerful and kind god.F: The rivers, mountains, and forests were alive with spirits.H: They believed in an afterlife. does The Bohr model of the atom correctly predicts the energy levels of the hydrogen atom, which has a single electron. As a speaker, I should know my purpose and method of delivery before giving my speech so... Use the F=ma triangle to determine the mass of an object accelerating at a rate of 10m/s2 due to a force of 60N that was applied to that object. PLEASE HELP!! I will make u the brainlest if u do!!!! And I will give you 10 pts. Read the article why are people still racist? What science says about Americas race problem (Washington post). Make a claim: agree or not Weather people are still racist in America. Two pieces of data to support your claim and explain how it supports your claim. ellos juntos toda la noche medidas preventivas en las actividades fisico deportivas en las que hay competicion What causes the length of shadows to change over the course of the day? Which synonym describes the most negative interruption? A. Intrusion B. Imposition C. Disturbance D. Distraction Basic computer programs used by a variety of companies include: Spreadsheets Podcasts iTunes Videos editing Pick one please Solve for x. Round to the nearest tenth, if necessary. S 210 X 5.5 Michael can swim 5 lengths of a swimming pool in 130 seconds.Use this information to show that he could swim 100 lengths in under 45 minutes I need help on an essay. What caused mass hysteria in Salem 1692? The formula for the area of a trapezoid is A= 1/2h(b1+b2), Where h is the height and b1 and b2 are the two bases. Rewrite the formula to solve for b1 in terms of A, h, and b2. The British stopped Pontiac's attacks byA. winning one major battleB. destroying Native American villagesC. defeating Pontiac's allies Which of the following will impact a populations equilibrium ?. Random Mating. No mutations . Small population . No Migration Which statement about the lines below is true?4y = -16 and 3x = 27Select all that apply.A Line 4y = -16 is horizontal.B. Line 3x = 27 is vertical.OC. For both lines, all points on the line have an x- and a y-coordinate.D. For either line, one of the coordinates of all the points is always the same value. Your personal limerick poem? when was the last time that you had your vital signs taken ?how was the result?