A taxonomic key is a tool used to identify an unfamiliar organism.

a. True
b. False

Answers

Answer 1
It is probably true

Related Questions

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 ; )

Which characteristic would you find in an advanced organism?
A acoelum organism
B protostome organism
C pseudocoelum organism
D deuterstome organism

Answers

Answer:

Deuterosome

Explanation:

This because deuterosome are organisms which posses both mouth and anus. The mouth is in the opposite side as anus. These is normally found in advance organism compare to prostosome which have mouth only.

The deuterosome are mainly chordates, echinoderms e.t.c.

7 reasons plants are important to the environment

Answers

Answer: The House of the Scorpion

Explanation: the first sentence fight for this

(20 POINTS) Of the animals in this phylogenetic tree, which two species are most closely related?
human
thesus monkey
mouse
chicken
frog
lamprey

Answers

It should be the human and the thesus monkey

Answer:frog and mouse

Explanation:

How do invasive species usually affect the availability of natural resources in an ecosystem?

PLEASE HELP ME​

Answers

Answer: Invasive species can harm both the natural resources in an ecosystem as well as threaten human use of these resources. ... Invasive species are capable of causing extinctions of native plants and animals, reducing biodiversity, competing with native organisms for limited resources, and altering habitats.

Explanation:

Which of the following virulence factors would most likely produce an organism that can hide within the host cell,
growing intracellularly?
A)invasins (Type 3 secretion system)
B)capsule
C)IgA protease
D)Opa protein

Answers

The best answer to go with is b

What part of the brain is highlighted in the diagram below?

The highlighted portion is at the rear base of the brain, behind the brain stem.

Pituitary gland
Cerebrum
Cerebellum
Cerebral cortex

Answers

C. Cerebellum is your answer

The part of the brain which is highlighted with green color is known as the cerebellum.

What are the functions of the brain?

The major functions of the brain include concentration, balance, imagination, mental flexibility, coordination, etc.

The cerebellum part of the brain is located below the cerebral cortex besides the medulla oblongata. The major function of this part of the brain includes balance maintenance and posture adjustment.

Therefore, the part of the brain which is highlighted with green color is known as the cerebellum.

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i need help thank you

Answers

Answer:

B

Explanation:

A solar system is just a few planets which are smaller than nebulae or galaxies.

Nebulae is pretty much a cloud of dust and gas but it's still smaller than a galaxy

And then the universe kind of includes everything so there's nothing bigger than that

b is the correct answer!

Eutrophication refers to a process of change that takes place in a body of water. Which of the following causes eutrophication?
A)CFCs
B)acid rain
C)thermal pollution
D)excessive nutrients

Answers

The answer is D i believe. Hope this helps!!

are plasmids plant,animal or bacteria cell?

Answers

Answer:

Bacteria

Explanation:

A plasmid is a small, often circular DNA molecule found in bacteria and other cells. Plasmids are separate from the bacterial chromosome and replicate independently of it. They generally carry only a small number of genes, notably some associated with antibiotic resistance.

Plant, Animal and Bacterial Cells: Comparisons
Plant Cell Animals Cell Bacterial Cell
Present Present Absent
Plasmids
Absent Absent Present
Plastids
32 more rows•

3. Attached earlobes is a recessive trait. If a woman with attached
earlobes has a child with a man with detached earlobes whose mother
has attached earlobes, what is the probability their child will have
detached earlobes? *

Answers

Answer:

It would be a 50% chance

Explanation:

D.  R.

R.  R

In bacterial communities, where resources are often limited, survival requires the ability to sense, respond to, and cooperate or compete with neighboring organisms.

a. True
b. False

Answers

Answer:

Explanation:

True.

In bacterial communities, where resources are often limited, survival requires the ability to sense, respond to, and cooperate or compete with neighboring organisms is a true statement.

What are Bacterial communities?

Bacterial communities differ in their species makeup, the niches they occupy, and the effects they have on various ecosystems.

Communities defy a single, fundamental definition due to their complexity. Instead, they offer fascinating illustrations of dynamic processes that vary with ecological size. In the beginning of microbiology, there were difficulties in describing and classifying communities.

Robert Koch revolutionized the study of microbiology in the late 1800s by inventing his techniques for proving the link between an infection and an organism (Koch, 1876). Koch's hypotheses continue to be the "gold standard" for linking germs to illness or any other interesting event.

Therefore, In bacterial communities, where resources are often limited, survival requires the ability to sense, respond to, and cooperate or compete with neighboring organisms is a true statement.

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To help your investigation, here is some more data about the farm.
The chicken population was started with chicks from a different farm.
Chickens are raised in barns where bacteria can spread easily between chickens.
CJ, E. Coli, and Salmonella bacteria are all present in the barns.
Some of the E. Coli and Salmonella bacteria have alleles that make them resistant to the FQ antibiotic.
To stop disease from growing in the barn, the FQ antibiotic is fed to the chickens a lot.
Choose which way of evolution caused the FQ antibiotic resistance.
Gene Flow
Genetic Drift
Natural Selection
What is the best fit option here? Form a hyptothesis
This is my hypothesis, is it right ?
If the chicken population is consistently given the FQ antibiotic, then natural selection leads to antibiotic resistance, because some chickens could have some of the bacterias that develop mutations allele and they can resist against FQ antibiotics.Bacteria which are resistant will continue to increases and grows in number over time. In the end, the chicken population are mainly resistant bacterial, thus making this the likely mechanism of evolution.

Answers

Answer:

1) Natural selection

2) Hypothesis: The excessive use of FQ antibiotics on chickens leads to the fixation of new genes -by natural selection- that result from mutations in the bacterial genetic material, which makes these cells become even more resistant to the drug.  

Explanation:

1) Natural selection selects beneficial alleles and increases their frequency in the population.

Natural selection results in adaptation, which means the increase of the aptitude phenotype. Aptitude is the contribution of each genotype to the next generation.

In many cases adaptations, resulting from natural selection can be correlated to environmental factors or selective pressures applied by other organisms or habitat.  

Let us remember that, a mutation is a change or alteration in DNI sequences that introduce new variants. Many of these are eliminated, but some of them might succeed and be incorporated into each individual. These mutations are the ones that have been selected by natural selection.

So, in the exposed chickens´ example, we are focussing on bacteria populations.

The selective pressure or modeling environmental factor is the FQ antibiotic. The bacteria´s response to antibiotics is the survival of only those that carry mutations. Natural selection benefits these mutations. Bacteria survive and become more resistant

2) Hypothesis.  

First, remember that the hypothesis is a conjecture.   The researcher hypothesizes in order to predict what is going on or what is expected to occur. A hypothesis is a claim of how it works a relation between two or more variables. Usually, it is written in the present time.

So in this example, we want to correlate the use of antibiotics with bacteria resistance.

I would hypothezise as following,

The excessive use of FQ antibiotics on chickens leads to the fixation of new genes -by natural selection- that result from mutations in the bacterial genetic material, which makes these cells become even more resistant to the drug.

This hypothesis probably states the same as yours but turns to be more concise. The hypothesis needs to go to the point. If you want to be more specific, you can probably add some specific hypotheses to dig into your work.

 

We have that the,Natural selection caused the FQ antibiotic resistance.

Natural selection

Generally , Natural resolution causes a reaction that leads to antibiotic resistance, Mutation in micro organism make them resistant to antibiotics and when they reproduce similarly ,they will pass by this resistant trait to their offspring, which will outcomes into a completely resistant generation.

In the give up ,result is a populace of in most cases resistant bacteria.

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Convert the DNA strand to mRna, then use the codon chart to translate the codons into amino acids.
DNA → TAC CAT GGA ATT ACT

mRNA →

Amino acids →

I NEED HELP PLEASE

Answers

Answer:

DNA → TAC CAT GGA ATT ACT

mRNA: AUG GUA CCU UAA UGA

Amino acids: met-val-pro-stop

Explanation:

As a genetic counselor, you advise couples about the possibility of genetic disease in their offspring. This morning you met with an engaged couple, both of whom are phenotypically normal. The man, however, has a brother who died of Duchenne-type muscular dystrophy, an X-linked condition that results in death before the age of 20. The allele responsible for this disease is recessive. His fiancee, whose family has no history of the disease, is worried that the couple's sons or daughters might be afflicted.

Requied:
a. How would you advise this couple?
b. The sister of this man is planning to marry his fiancée's brother. How would you advise this second couple?

Answers

Answer:

a. This couple should not worry.

b. This couple should worry.

Explanation:

a. The man should not be worried. This is because he is normal (phenotypically).

b. They should be worried because the sister of the man can be a carrier of the recessive allele. If she was a carrier, then half of their male children can be affected.

I need help with this, thank you

Answers

Answer:

a

Explanation:

the answer is a

universe is biggest and then Galaxy and solar system and then earth

the anwser is a! have a good day!

You can find the correct mass of a solid by using ________

Answers

Answer:

weights

Explanation:

PLEASE HELP !!
ILL GIVE BRAINLIEST

NO LINKS OR FILES.

Answers

Answer:

I would say c because, sure the polar bears can swim and other things there will be very little ice once the ecosystem melts.

Explanation:

common sence

Two hawk species are present in the same ecosystem. Hawk A feeds on mice and squirrels, both of which feed on seeds and nuts. The small population of Hawk species B eats snakes that feed on mice and squirrels. Which describes why Hawk B is the keystone species in this scenario?

Answers

Answer:

Hawk B species help other populations survive by keeping snake predation low.

Complete question and Explanation:

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

PLEASE HELP ME AS QUICK AS POSSIBLE

Answers

camouflage because they are disguising themselves as something they’re not

HELP PLZZ?!
What is a region called that is characterized by things like abiotic factors and plant life?
biome
biosphere
ecosystem
estuary

Answers

A) biome.........................

Answer:

Biome

Explanation:

Technology affects the environment in many ways. Which negative impact is NOT due to advances in technology?
A) toxic waste
B) global warming
C) habitat destruction
D) increase in natural disasters

Answers

Answer:

d

Explanation:

Im pretty sure that the answer is d because how could technology cause more NATURAL disasters and also i took the USATestprep

 

Consider a population that contains black and white cats where the black allele (B) is dominant and the white allele (b) is recessive. Indicate whether each statement is true or false.
1. Evolution is occurring in a population of cats where the genotype frequencies of BB, Bb, and bb are 0.64, 0.32, and 0.04, respectively.
2. A population of cats is in Hardy-Weinberg equilibrium when the genotype frequencies of BB, Bb, bb are 0.49, 0.33, and 0.16, respectively.
3. Evolution is occurring in a population of cats where the genotype frequencies of BB and Bb are 0.7 and 0.2, respectively. _____
4. A population of cats is in Hardy-Weinberg equilibrium when the genotype frequencies of BB and Bb are 0.25 and 0.5, respectively. _____

Answers

Answer:

what is this what subject

Which statement BEST expresses the idea that emotions are like a GPS system?

Answers

Answer:

Where's the full question?

Explanation:

During transcription, initiation involves the attachment of RNA polymerase to the promoter and the start of RNA synthesis.
Group of answer choices

True

False

Answers

Answer:

true

Explanation:

True. During transcription, initiation is the first step in which RNA polymerase binds to the promoter region of the DNA molecule.

The promoter is a specific sequence of nucleotides located upstream of the gene that signals the start site for transcription. RNA polymerase recognizes and binds to the promoter sequence, forming a complex called the transcription initiation complex.

Once the transcription initiation complex is formed, RNA synthesis begins. RNA polymerase unwinds the DNA double helix in the region of the gene, exposing the template strand. It then catalyzes the synthesis of an RNA molecule by adding complementary RNA nucleotides to the growing RNA chain according to the base pairing rules (A-U and G-C).

So, the statement "During transcription, initiation involves the attachment of RNA polymerase to the promoter and the start of RNA synthesis" is true. Initiation is indeed the process where RNA polymerase binds to the promoter and initiates the synthesis of an RNA molecule based on the DNA template. This is a crucial step in the process of transcription, as it determines where and when the transcription of a specific gene will occur.

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2. Which contains the other, cell membrane or phospholipid?

Answers

Answer:

Cell membrane contains phospholipid

Explanation:

Part of the cell membrane is made up of the phospholipid bilayer, which consists of two layers of phospholipids.

Сотраге and contrast Simple Dominance to Incomplete Dominance."

Answers

Answer:

Simple dominance is when the dominant gene in a heterozygous organism expresses the dominant phenotype. Incomplete dominance is when a heterozygous organism exhibits a blending of both genes, recessive and dominant. Red and white flowers will "blend" and make pink flowers.

Incomplete dominance, only one allele in the genotype is seen in the phenotype. In simple dominance, both alleles in the genotype are seen in the phenotype. In incomplete dominance, a mixture of the alleles in the genotype is seen in the phenotype.

How is the energy of chemical processes coupled in metabolic pathways?

Answers

Answer:

Energetic coupling of chemical processes in metabolic pathways Biochemical systems couple energetically unfavorable reactions with energetically favorable reactions. These reactions can be part of catabolic pathways where complex substances are broken into simpler ones with the release of energy or anabolic pathways where complex molecules are synthesized with an input of energy.

Explanation:

how does fertilizer affect the quality of crops?​

Answers

Answer:

Fertilizers replace the nutrients that crops remove from the soil. Without the addition of fertilizers, crop yields and agricultural productivity would be significantly reduced. That's why mineral fertilizers are used to supplement the soil's nutrient stocks with minerals that can be quickly absorbed and used by crops

[tex] \huge \mathsf \purple{Question}[/tex]

how does fertilizer affect the quality of crops?

[tex] \huge \mathsf \pink{Answer}[/tex]

The role of fertilizers in food production is usually underestimated. Fertilizers are food for plants.

Fertilizers replace the nutrients that crops remove from the soil. Without the addition of fertilizers, crop yields and agricultural productivity would be significantly reduced. That’s why mineral fertilizers are used to supplement the soil’s nutrient stocks with minerals that can be quickly absorbed and used by crops.

Put simply – we use fertilizer to:

Provide nutrients not available in the soil.Replace nutrients removed at harvest.Balance nutrients for better. producequality and higher yield.

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
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