These weeds are growing in a farmer's field. The weeds compete with the soybean plants the farmer grows, so he needs to get rid of them. For a few years, the former relies on manually removing the woods, but that is labor intensive and limits how much crop he can grow. The farmer decided to change his crop to genetically modified soybeans that are herbicide resistant. This allows the farmer to use chemicals to remove the weeds. With this GM soybean, the chemical kills the woods but does not harm the crop. For many years this works, and allows the farmer to expand his farm and grow more soybeans. But then, one of the farmer's fields has a large weed plant remaining after the field has been sprayed with herbicide
1. Which of the following is the likely reason the weed has remained?
a. The weed needed to be resistant in order to survive, so it became resistant
b. A mutation appeared in one weed plant that made that weed not susceptible to the herbicide
2. Which of the following is likely to happen if that weed stays in place?
a. The trait will spread to nearby weeds
b. The weed will survive long enough to reproduce
c. In time, the herbicide will no longer be effective on that field.

Answers

Answer 1

Answer:

1) A mutation appeared in one weed plant that made that weed not   susceptible to the herbicide ( B )

2) The weed will survive long enough to reproduce ( B )

Explanation:

1) The most likely reason the weed remained is :  A mutation appeared in one weed plant that made that weed not susceptible to the herbicide

The weed plant must have undergone some mutation in order to be resistant to the herbicide which would kill the weed before now

2) The most likely thing that will happen if the weed stays in place in that farm is : The weed will survive long enough to reproduce

The trait or mutation of the weed cannot just spread to other weeds nearby it can only spread by reproducing more weeds of same mutation


Related Questions

Oxygen and air are? Abiotic or biotic 

Answers

oxygen and air are abiotic

Answer:

Oxygen and air are both abiotic because they do not have carbon atoms, therefore they are non living substances.

Which of these would be an example of cultural bias in profiling?

a) Investigators are sure that their suspect is a tall male because they have found large footprints in the mud.
b) Investigators conclude that the victim allowed the suspect to enter the home, so they knew each other.
C) Investigators say that the suspect must be of a certain minority because that is who usually commits the crime in their precinct.
d) Investigators look for all the people leaving the crime scene to see if they are possible suspects.

Answers

Answer:

C) Investigators say that the suspect must be of a certain minority because that is who usually commits the crime in their precinct.

Explanation:

Cultural bias is the action where by someone holds a bias about a particular group of people or ethnicity due to the negative information which he or she had been feed with while growing up.

For example, when someone believes that, all crimes committed in America is done by African American people is a typical example of cultural bias. In the scenario given above, for the investigator to believe that, the suspect to be a certain minority rather than having an open view that it could have been anyone shows cultural bias and profiling of the investigators.

Which of these is a result of crossing over?
a.) Decrease in the number of chromosomes
b.) Exchange of proteins
c.) Exchange of genetic material
d.) Increase in the number of chromosomes

Answers

Part of one chromosome is exchanged with another.. so i’d say C possibly.

The result of crossing over is the exchange of genetic material that is present in Option C because this only happens in meiosis during the prophase and results in different gametes.

What is the importance of crossing over?

"Crossing over" is a process that occurs during meiosis of cell division in sexually reproducing organisms that produces gametes such as sperm and eggs. During crossing over, the genetic material in the parent cells' chromosomes is exchanged, resulting in new combinations of genes in the gametes, and the importance of crossing over is that it creates genetic diversity within a population.

Hence, the result of crossing over is the exchange of genetic material that is present in Option C because this only happens in meiosis during the prophase and results in different gametes.

Learn more about the importance of crossing over here.

https://brainly.com/question/19671756

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6.
Perform transcription by using the following piece of DNA.
Introns are underlined. Write the final strand of mRNA created.
TACCGIA CA ATG G GATC CouTube

Answers

Answer:

A-T-G-G-T G-T T-A-C C C-T-A-G

Explanation:

TACCGIA CA ATG G GATC

A-T-G-G-T G-T T-A-C C C-T-A-G

The "I" in the first few letters shouldn't probably be there since there are only 4 bases: A, T, C, and G.

what is homologous chromosomes?​

Answers

Answer:

Homologous chromosomes are two pieces of DNA within a diploid organism which carry the same genes, one from each parental source. Basically, it's two pieces of DNA from your mom and dad that form who you are.

Explanation:

2. Name one positive benefit of having vertebrae for Chordates

Answers

It has some body equipment like ours. They have nerve chords, gill slits, segmented muscles, and a notochord; precursor of a backbone similar to the discs in human spines. Name one positive benefit of having vertebrae for Chordates. ... They can eat other animals and then increase their body size.

What are the similarities that all the organisms classified under the family Hominidae share?

Answers

Answer:

Among these adaptations are: streamlined bodies for efficient movement through water; forelimbs modified into flippers to aid in steering; hind limbs internalized remnants reducing drag; tail positioned horizontally to achieve a powerful up and down propulsion; hair replaced with under-skin blubber to provide warmth ...

Explanation:

All of the following are complications that can result from an individual suffering from an eating disorder except
A heart disease
B. dieting regularly
C. kidney damage
D. death

Answers

Answer:

The answer is B

Explanation:

Hope this helps

Answer:

B. dieting regulraly

Explanation: correct on edge 2021

just got it right ; )

Describe the steps a plant would take to move sugars from a source to a sink.

Answers

sugars are transported through the phloem, from sources to sinks, is called pressure flow. At the sources (usually the leaves), sugar molecules are moved into the sieve elements (phloem cells) through active transport.

There are multiple lines of evidence that provide support for common ancestry and evolution. Write 3-4 paragraphs describing at least three of them in detail. Provide at least one example for each line of evidence.

(I need the full three to four paragraphs ASAP please please please)

Answers

Answer: Determining a substance's physical or chemical identity. What are the two main requirements for identification? The adoption of testing procedures that give characteristic results for specific standard materials and the number and type of tests needed to identify a substance to exclude all other substances.

How might a wildfire influence mass wasting? By drying out (removing the water) from the regolith on a slope, wildfires decrease the likelihood of a mass wasting event. A wildfire can dry out the regolith on a slope, making it less cohesive and more likely to travel downward. Wildfires burn only at the bottom of a slope, which oversteepens the slope and induces mass wasting. The ash from the wildfires lands on the slope, adding enough mass to instigate mass wasting. Because plants on a slope bind the regolith with their roots and shield the soil surface from raindrops, a wildfire that destroys these plants would render the soil looser and more susceptible to the erosional forces of rain.

Answers

Answer:

Because plants on a slope bind the regolith with their roots and shield the soil surface from raindrops, a wildfire that destroys these plants would render the soil looser and more susceptible to the erosional forces of rain.

Explanation:

The plants present in a region, protect the soil from being eroded by the impact of rain or wind. This is because the roots of the plants leave the soil more aggregated, block the impact of the wind and allow water to infiltrate. This protection is increased on slopes, where the chances of erosion are greater. However, when a fire occurs and these plants are killed, the roots no longer provide protection to the soil, leaving it drier and looser. This causes the wind to break this soil apart, facilitating erosion. In addition, rainwater has difficulties in infiltrating the soil and ends up draining, taking parts of the soil with it and causing erosion.

Which phase occurs immediately after a full moon?
waxing gibbous
waning crescent
waning gibbous
waxing crescent

Answers

waning gibbous

youre welcome

The amount of solar radiation received by the earth is greatest
at
a
The equator
b The mid-latitudes
С
The poles
d None of the above

Answers

The answer is A, the equator.

extrusive rocks have larger grains than intrusive rocks.true or false and why

Answers

False because extrusive rocks have fine-grained texture due to the rapid cooling of magna above the earth surface. On the other hand extrusive rocks have course grained texture due to slow cooling of magna beneath the Earth's surface

helpppp I’ll do anything BUT I HATE links so please NO links

Answers

Mitochondria: supplies energy to the cell

Nucleus: Control center of the cell; contains DNA

Ribosomes: makes proteins inside cell

Cell membrane: protective layer of the cell

Hope this helps :)

Mitochondria: source of energy to cell

Nucleus: contains dna and controls center

Ribosomes: produces protein

Cell membrane: gives protection

A population of capybaras contains 104 individuals. Studying them you discover that they have two types of alleles for a certain gene. The frequency of the recessive allele (c) is 0.3 and we assume that this is an ideal population with simple dominance. a. Calculate the frequency of the dominant allele, C. b. Calculate the genotype frequencies in the next generation (F1) c. Calculate the phenotype frequencies of F1 d. Calculate the heterozygosity (H) e. Calculate the number of heterozygous individuals in the wild population

Answers

Answer:

a.

f(C) = p = 0.7

b.  

F(CC) = p² = 0.49 F(cc) = q² = 0.09 F(Cc) = 2pq = 0.42

c.

F(C-) = 0.91F(cc) = 0.09

d.

F(Cc) = 2pq = 0.42

e.

43.68 individuals Cc

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Which of these islands would likely have the most species diversity.
A small island in the middle of the ocean
O A large island near the mainland

Answers

Answer:

A large island near the mainland

Explanation:

A large island has a greater number of species, a greater interaction between them and a greater number of natural elements. All of this is capable of promoting biological specialization on a large scale, allowing new species to emerge more quickly than on a small island. Although a small island may also have great biodiversity, that island has fewer factors that promote the creation of new species, in addition to having fewer species interacting and creating new species.


"What do the four genotypes inside the 4 boxes of a Punnett Square represent?

Answers

Answer:

They represent the percent chance to inherit a type of genotype. Recessive alleles, dominant alleles, heterozygous have chances to appear based off the parent alleles.

An idea based on observations with no experimental evidence is a:
a.
Hypothesis
c.
Theory
b.
Model
d.
Law


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer:

a

Explanation:

The answer is A, a hypothesis

which term best describes the role of a tick living on another animal?

Answers

Answer:

a) parasite

Explanation:

hopefully this helps

Answer:

A

Explanation:

Parasite, Because a tik living on another animal would be a "vampire" organism otherwise known as a parasite.

what makes lipids/fats hydrophobic?

Answers

Answer:

Lipids are hydrophobic because they do not mix with water. Lipids are made of long chains of carbon and hydrogen. ... The partial charges on the water molecule cannot interact with the neutral lipid molecule and thus water and lipids do not mix.

Answer:

"this hydrophobic ("water fearing") nature of lipids is driven by the bonds between these many carbons and hydrogens. ... Thus, long chains of carbon-hydrogens bonds form a nonpolar molecule."

11 Pause
Help
In the classification of organisms, which is the correct order of taxonomic groups from broadest to most specific?
A Order ----> Domain -> Genus
B. Class ---> Family -----> Order
Oc. Kingdom ----> Class -----> Phylum
D. Family ----> Genus ----> Species
Sion out
1:05

Answers

Answer:

I guess (D)

Explanation:

Linnaeus' hierarchical system of classification includes seven levels called taxa. They are, from largest to smallest, Kingdom, Phylum, Class, Order, Family, Genus, Species.

which of the following are parts of the biosphere. choose all that apply

river
deer
tree
mountain
mushroom​

Answers

Mountain, tree, river

Why do tree's cells need to make more DNA?

Answers

It’s one of the big mysteries of cell biology. Why do mitochondria—the oval-shaped structures that power our cells—have their own DNA, and why have they kept it when the cell itself has plenty of its own genetic material? A new study may have found an answer.

It’s one of the big mysteries of cell biology. Why do mitochondria—the oval-shaped structures that power our cells—have their own DNA, and why have they kept it when the cell itself has plenty of its own genetic material? A new study may have found an answer.Scientists think that mitochondria were once independent single-celled organisms until, more than a billion years ago, they were swallowed by larger cells. Instead of being digested, they settled down and developed a mutually beneficial relationship developed

It’s one of the big mysteries of cell biology. Why do mitochondria—the oval-shaped structures that power our cells—have their own DNA, and why have they kept it when the cell itself has plenty of its own genetic material? A new study may have found an answer.Scientists think that mitochondria were once independent single-celled organisms until, more than a billion years ago, they were swallowed by larger cells. Instead of being digested, they settled down and developed a mutually beneficial relationship developed

I

The ocean is the largest reservoir of carbon on Earth. Which of the following would most likely store carbon for the longest amount of time?
Calcium carbonate shells of marine organisms, like coral, oysters, and clams


Dissolved CO2 in surface ocean water


Dissolved CO2 in deep ocean water


Carbon stored in the rocks

Answers

Carbon is stored for the longest amount of time as Calcium carbonate shells of marine organisms, like coral, oysters, and clams.

What is the carbon cycle?

The carbon cycle is a cycle of how carbon is recycled between the atmosphere and the living and non-living part of the earth.

The carbon reservoir of the ocean forms part of the carbon cycle.

Carbon is stored in the ocean as calcium carbonate shells of marine organisms, like coral, oysters, and clams.

This is the longest time storage form of carbon in the ocean.

Learn more about carbon cycle at: https://brainly.com/question/25845923


2. When a population stops growing because it has reached the maximum number that the environment can support, the population has reached
A a ceiling
•B. carrying capacity
C. a critical point
D. population density

Answers

I think the answer is B

3. Most of the traits expressed in a person's phenotype are determined by Is ​

Answers

I strongly agree with the Person
Above

Most of the traits expressed in a person's phenotype are determined by is Phenotype.

What is Phenotype?

Phenotype refers to an individual’s observable traits, such as height, eye color and blood type. A person’s phenotype is determined by both their genomic makeup (genotype) and environmental factors.

An observable characteristic is simply referred to as a "phenotype." Pheno, which has the same root as the term "phenomenon," simply means "observe."

It can therefore refer to anything from a common attribute, like height or hair color, to the presence or absence of a disease. It is also an observable type of an organism.

Therefore, Most of the traits expressed in a person's phenotype are determined by is Phenotype.

To learn more about Phenotype, refer to the link:

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Picture this! It's the year 2025 and you work at a water treatment plant. A group
of high school students from an environmental science class is touring your
faculty. You have been nominated by your boss to give the tour. The students
want to learn how drinking water is treated. While conducting the tour, you need
to describe each step and explain what is happening during each process. Also,
be sure to explain to the students why water treatment is important to our
society!

Answers

Answer:

Water treatment process brings many importances to the society today. One of the importances of water treatment process is to ensure that water is more suitable to be used by industries and individuals. The purpose of water treatment process is to remove contaminations from water, so that it would be more suitable for it to be used. The importance of water is the basic resource for guaranteeing the life of all living beings on the planet. Access to water, sanitation and hygiene is a fundamental right and yet billions of people throughout the world are battling daily against enormous difficulties accessing the most basic services.

Brainliest pleaseeeeeee?

Question:
Using a specific example, discuss the importance of electrons in the transfer of energy in living systems.​

Answers

Answer: The transfer of energy in the form of electrons allows the cell to transfer and use energy in an incremental fashion. The principle electron carriers are NAD+ and NADH because they can be easily oxidized and reduced, respectively.

Explanation:

Electrons are very significant in the steps of energy transfer in the living body cells.

When the electrons are displaced from the molecule it gets oxidized which results in a reduction in the potential energy.

Electrons transfer is very important because most of the power is stored in the atoms in the form of electrons that are required for cell functioning.

The chief electron transporters are NADH and NAD⁺ they reduce and oxidizes the compounds.

NADis oxidized and NADH is the reduced form of the molecules.

The living structures cannot save a large amount of energy and hence they collect them in the form of ATP and electrons.

To learn more about the importance of electrons in living organisms follow the link:

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HELP PLS! I WILL GIVE BRAINLIEST!! :))
Explain how running water, groundwater, waves, and glaciers cause erosion and deposition.

Answers

Answer:

Water flowing over Earth's surface or underground causes erosion and deposition. Water flowing over a steeper slope moves faster and causes more erosion. Erosion and deposition by slow-flowing rivers create broad floodplains and meanders. Deposition by streams and rivers may form alluvial fans and deltas.

Explanation:

hope it helps

Answer:

Running Water I: Rivers, Erosion and Deposition ... Geophysicists use seismic wave studies, variations in temperature, magnetic fields, gravity, and computer simulations to create models of deep structures. The program provides images of glaciers and glacial landforms such as moraines

Explanation:

hope it helped!!

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