What is artificial selection?
A.When a new allele is formed by mutation
B.When humans breed an animal for a certain trait
C.When extreme traits are selected by nature
D.When 60 percent of a species dies at one time

Answers

Answer 1
Is A on my opinion, I’m not sure
Answer 2

The answer is B since that's the definition of artificial selection ,selective breeding made by humans


Related Questions

Gene therapy is a form of

Selective breeding
Artificial selection
Cloning
Genetic engineering

Answers

Answer:

Genetic engineering

Explanation:

Gene therapy is a form of genetic engineering used to treat genetic disorders and other diseases that can be ascribed to genetic issues.

A bad gene or malfunctioning is replace by a better gene. This helps to address specific genetic issues. Genetic engineering is a group term used to describe the application of recombinant DNA technology to manipulate the genotype of organisms. Cloning, selective breeding and artificial are all forms of genetic engineering.  

Answer:

Genetic engineering.

Explanation:

I took the quiz lolz on edge 2020

What structure do white blood cells use to engulf bacteria when they do phagocytosis?
A. cilia

B. flagella

C. pseudopod

D. oral cavity

Answers

The engulfed object is thus enclosed within a membrane-bound vacuole called a phagosome. The phagocyte digests the ingested particle with hydrolytic enzymes, which are contained within membrane-enclosed sacs called lysosomes found within the cell.

Please help me out :( !! Compare and contrast mutualism, commensalism, and parasitism. Use clear and complete sentences.

Answers

Answer:

Mutualism is where both organisms benefit, commensalism is where one benefits but the other organism isn’t harmed, and lastly, parasitism is where one organism benefits and the other is harmed. The various species found within a single ecosystem can relate to each other in a variety of ways. The terms mutualism, commensalism, parasitism and symbiosis all refer to the various ways that species within an ecosystem can interact with one another.

Explanation:

PLEASE ANSWER THIS AND THANKS TO WHO EVER WILL ANSWER IT AND IF YOU GIVE ME A COMPLETE ANSWER THEN ILL MARK YOU BRAINLIEST

Answers

Hey can you please take a better picture? It’s a little blurry!
1: seafood, lean meat, poultry.

HEKLPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Answers

Answer:

A

Explanation:

When a light ray hits a mirror which is a shiny object , it reflects in one direction

Have a nice Day , I would appreciate it if you could mark my answer brainliest

Answer A because when a light hits a mirror it goes one way

PLS GIVE A REAL ANSWER ILL MARK BRAINLIEST!! in the three stages of the cell cycle, (interphase, mitosis and cytokinesis) which organelles are affected in the cell?

Answers

Answer:

nucleus, mitotic spindle and microtubules.

Explanation:

Organelles that are involved in cell division :

Key organelles that make mitosis go as planned include the nucleus, mitotic spindle and microtubules.

Differences between prokaryotic cells and eukaryotic cells

Answers

Answer:

eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not.

Explanation:

Eukaryotes have many membrane-bound organelles while prokaryotes have no membrane-bound organelles.

Studying a picture of a cell taken with an electron microscope, you find that the cell has no nucleus and no mitochondria, but it does have a cell membrane. You conclude that the cell is probably from a(n) * 1

Answers

Answer:

Prokaryote.

Explanation:

Prokaryotes lack a nucleus and mitochondria. They do, however, have a cell membrane.

Hope this is correct. Good luck on your studies!


Which procedure took the DNA from one sheep to produce a genetically identical lamb, named Dolly?
selective breeding
gene therapy
artificial selection
cloning

Answers

Answer:

Cloning

Explanation:

If you take DNA and make a genetically identical thing with that DNA it would be cloning

Answer

D cloning

Explanation:

i just took the quiz and made a 100

What is weight measured in

A grams

B Kilograms

C Metric Tons

D pounds

Answers

Concept: Unit Representation

You have weight which is commonly represented in SI units of KG In the US metrical units are poundsYour answer depends on which metric you are referring to.
All of these are a measurement of weight

Fats store energy for...
A. long term.
B. immediate use.
C. muscle tissues only.

Answers

it's A hoped this helped

PLEASE HELP
Decomposition is the process by which:
Carbon atoms are released into the soil
Carbon is converted to CO2
Organisms obtain energy by breaking down glucose



Answers

Answer:

carbon is converted into co2.

Explanation:

Green plants can make glucose.

Plants need energy to make glucose.

How do plants get this energy?​

Answers

Answer:

atp or solar energy or from the sun

Explanation:

When you surprised that your mom is on the Hospital and she have a lung cancer stage4 what should you do?​

Answers

Answer:

what you can

Explanation:

my grandma just got diognosed with two different types of lung cancer, stage 3. Not much you can do but be there for her. One thing that we did for her was make her a cancer/chemo basket after doing research. Apparently it tastes gross so you give them hard candy to suck on and there are certain things like ginger flavored ones or ginger smelling sticks that make you not be nasaus and hats in case she loses her hair (which they said she wouldn't) and a blanket with all of the family on it so she never has to be alone and stuff like that. They're aloud to take one bag to chemo so I would really reccommend doing it. She loved it anyway.

Hope everything turns out ok *sad smile*

On one cactus species, the red flowers are dominant over white flowers. If you crossed two heterozygous cacti, what would be the probability of having offspring with red flowers?

Answers

Answer:

3/4

Explanation:

This question involves a single gene coding for flower color in cactus plant. The allele for red flowers (R) are dominant over the allele for white flowers (r). This means that a cactus that is heterozygous (Rr) for the Gene will possess a red phenotype.

In this cross, two heterozygous cacti are crossed. The following gametes will be produced by each heterozygous parent: R and r. Using these gametes in a punnet square, the following genotype of offsprings will be produced;

RR, Rr, Rr, and rr

RR, Rr and Rr are Red flowers (3/4)

rr are white flowers (1/4)

Therefore, the probability of having offspring with red flowers is 3/4.

The enzymes catalyzing the reactions of glycolysis occur in the:

Answers

The occur in the cell structure of the cytoplasm

Hurry im giving 50 point

Which prediction is most likely when the air pressure increases?

A.There will soon be days of thunderstorm B.Rain is on the way. C.Sunny, clear skies are coming. D.Snow will fall, and then rain will follow.

Answers

Answer:

c

Explanation:

Describe three levels of biodiversity

Answers


B
nba youngboy
is the goat

The three levels of biodiversity are genetic diversity, species diversity, and ecosystem diversity.

Genetic Diversity: Genetic diversity refers to the variety of genes within a species. It includes the different alleles and variations present in the gene pool of a population. Genetic diversity is important because it provides the raw material for adaptation and evolution. A higher genetic diversity within a species increases its ability to survive and thrive in changing environments. It also helps in disease resistance and overall population health.

Species Diversity: Species diversity refers to the variety of different species present in a particular area or ecosystem. It measures the number of different species and their relative abundance. Higher species diversity indicates a healthier ecosystem and greater ecological resilience. Each species plays a unique role in the ecosystem and contributes to its stability and functioning. Loss of species diversity can disrupt ecosystem balance and lead to negative impacts on other species and ecosystem processes.

Ecosystem Diversity: Ecosystem diversity refers to the variety of different ecosystems or habitats within a region or on a global scale. It encompasses the different types of ecosystems such as forests, grasslands, wetlands, coral reefs, and more. Each ecosystem has its own set of species, interactions, and ecological processes. Ecosystem diversity is essential for maintaining ecological functions, nutrient cycling, and providing various ecosystem services such as clean air, water, and food. It also supports the resilience and adaptability of ecosystems to environmental changes.

These three levels of biodiversity are interconnected and mutually dependent. They provide the foundation for the functioning and sustainability of our planet's ecosystems. Protecting and conserving biodiversity at all levels is crucial for the well-being of both human populations and the natural world.

To learn more about biodiversity, here

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Which phrase describes the ability to mark which part of the brain controls what?
A. hemisphere surgery
B. brain mapping
C. brain tumor

Answers

Answer:

brain anatomy describes the ability of brain

Why is an electromagnet a temporary magnet?

Answers

Answer:

An electromagnet is a temporary magnet. It is made by winding a coil of insulated wire round a soft iron core. When a current is passed through the coil, the magnetic field produced by the current magnetises the soft iron core. The soft iron core loses all the magnetism when the current is switched off.

Explanation:

yes

Answer:

The magnetic field generated by the electromagnet only appears when there is an electrical current applied to it. The magnet field will disappear once the electrical current has left.

Describe what plants need to survive

Answers

Plants need water, sunlight, and good soil to generally survive.

Answer:

All plants need these seven things to grow: room to grow, the right temperature, light, water, air, nutrients, and time.

Explanation:

what is budding in plants

Answers

Answer:

Grafting and budding are horticultural techniques used to join parts from two or more plants so that they appear to grow as a single plant.  In the budding process, a bud is taken from one plant and grown on another. Although budding is considered a modern art and science, grafting is not new.

Explanation: Cause seeds reduce its form and plant

Btw have nice rest your night

Asexual reproduction -> cell division -> outgrowth

ex. found in yeast, hydra

What is the principle of superposition? A. The layers of sediment on the bottom are the oldest. B. All layers of sediment are identical. C. In a given region, all layers of sediment form at the same time. D. The geologic processes of today are very different from those in the past.​

Answers

Supperposition = the oldest layer in a sequence of undisturbed sedimentary rock is on the bottom

The principle of superposition is the layers of sediment on the bottom are the oldest. Hence option A is correct.

What is superposition?

Superposition is defined as a quantum system's capacity to exist in several states simultaneously up until it is measured. It is used to transform any circuit into its Thevenin or Norton equivalent. The theorem can be applied to networks of linear sources, linear passive elements, linear transformers, and linear dependent sources.

The original horizontality concept serves as the foundation for the superposition principle. According to the principle of superposition, each layer of sedimentary rock is older than the one above it and younger than the layer below it in a series of unaltered rocks.

Thus, the principle of superposition is the layers of sediment on the bottom are the oldest. Hence option A is correct.

To learn more about superposition, refer to the link below:

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how is covalent bonding important to human beings?

Answers

Answer: They are found in proteins and DNA.

Explanation:

Covalent bonding is important to human beings because they are commonly found in carbon-based organic molecules which are considering proteins and DNA which are found in the human body.

There are three types of chemical bonds that are very important in the human body and physiology

The insulated feature of space suit layers are designed to - A protect from radiation. B trap excessive CO2. C regulate temperature. D provide pure O2.

Answers

Answer:

C. regulate temperature

Explanation:

Answer:

c

Explanation:regulate temperature

Imagine a field of flowers

Answers

Answer:

Great, just did. Is there more to the question?

Explanation:

Answer:

I love just going to an open field with a bunch of flowers with cousin it's so relaxing just laying there not caring one bit about the rest of the world sharing secret laughing and then peaceful silence

Explanation:

List two species that belong to the same Kingdom, Phylum and Class.(Site 2)

Answers

Answer:

The image has your answer :)

Explanation:

PLEASE RESPOND IF YOU KNOW AND QUICK <3
1.
All biomolecules are made up of the elements(1 point)

A-carbon, hydrogen, nitrogen, and oxygen.

B-carbon, hydrogen, and oxygen.

C-carbon, hydrogen, nitrogen, oxygen, and sulfur.

D-carbon, hydrogen, oxygen, and sulfur.

2.
Nucleic acids are the building blocks of(1 point)

A-DNA.

B-proteins.

C-nucleotides.

D-biomolecules.

3. One of the jobs of lipids is to act as chemical messengers. This job is particularly important for the function of the(1 point)

A-brain.

B-lungs.

C-stomach.

D-heart.

4.
A complex carbohydrate with long strands of glucose is known as a(1 point)

A-multisaccharide.

B-trisaccharide.

C-saccharide

D-polysaccharide.

5.
What makes amino acids unique from fatty acids and sugars?(1 point)

A-Amino acids are building blocks to larger molecules; fatty acids and sugars are not.

B-Amino acids contain nitrogen; fatty acids and sugars do not.

C-Genetic material is made of nucleotides, which contain amino acids; fatty acids and sugars are not part of genetic material.

D-Amino acids make up proteins, which provide energy for the body; fatty acids and sugars do not provide energy.

Answers

Answer:

1. A. carbon,hydrogen,nitorgen and oxygen

2.C. Nucleotides

3.A.Brain

4.D. Polysaccharide

5. B.Amino acids contain nitrogen; fatty acids and sugars do not.

Many compounds that are of biological importance are comprised of carbon, hydrogen and oxygen and other heteroatoms such as sulfur, nitrogen etc.

The correct answers are as follows;

1) The correct answer is B: carbon, hydrogen, and oxygen

2) The correct answer is A: DNA

3) The correct answer is A: brain

4) The correct answer is D: polysaccharide

5) The correct answer is B: Amino acids contain nitrogen; fatty acids and sugars do not

Biomolecules are molecules that are useful to in biochemical processes.

Several biomolecules are known and are of great importance in the body as they facilitate life.

Most of these biomolecules contain carbon, hydrogen, and oxygen.

A prominent group of biomolecules are the nucleic acids which are composed of nucleotides. They come together to form DNA.

Lipids are another category of biomolecules which are important components of hormones which serve as chemical messengers in the body and regulate the activities of the brain.

Glucose are biomolecules which come together to give larger molecules called polysaccharide.

Both fatty acids and sugars are biomolecules. Fatty acids and sugars all contain carbon, hydrogen and oxygen but not nitrogen. Amino acids are different from fatty acids and sugars because they contain nitrogen.

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Matter is recycled within and between ecosystems through closed loops called biogeochemical cycles. How is this unlike how energy is passed through ecosystems?

Answers

Answer:

Energy flows in a one-way direction i.e. unidirectional flow

Explanation:

Matter and energy both pass through an ecosystem as organisms feed on one another. However, as rightly emphasized in this question, matter in form of elements such as water, nitrogen, phosphorus etc. moves in different directions and is recycled within and between ecosystems through closed loops called biogeochemical cycles.

Contrarily to how matter is recycled in an ecosystem i.e. within and between, ENERGY only flows in one direction. Energy enters an ecosystem in form of light (sun) and is passed down from one trophic level to another starting from the producers. This unidirectional pattern of energy flow differentiates energy flow from matter recycling.

In prophase, this form of DNA is loose, uncoiled, and unorganized in the nucleus.

Answers

Answer:

Chromosomes

Explanation:

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