Which of the following statements would best describe Pseudacris crucifer?
A. larger than 1.5 inches, larger than 6 inches, warts, X-shaped mark on back
B. larger than 1.5 inches, smaller than 6 inches, warts, no triangular mark on head, X-shaped mark on back
C. smaller than 1.5 inches, warts, triangle between the eyes, stripe on back from head to tail
D. larger than 1.5 inches, smaller than 6 inches, smooth skin, triangle between the eyes
Answers
Answer:
The answer is B
Explanation:
I had this on study island.
Answer: Option D: larger than 1.5 inches, smaller than 6 inches, warts, no triangular mark on head, X-shaped mark on back
Explanation: Pseudacris crucifer is the last species of frog in the key. Therefore, one must work backwards through the entire key to determine Pseudacris crucifer's characteristics.The only way to get to step #5, where the frog was identified as Pseudacris crucifer, was to determine in step #4 that the frog had no triangular mark on its head.To get to step #4, the frog must not have had smooth skin. In order to get to step #3, our frog must have been smaller than 6 inches.Although we could have arrived at step 3 whether the frog was larger or smaller than 1.5 inches, the only answer choice provided that correctly listed the other characteristics of Pseudacris crucifer is : larger than 1.5 inches, smaller than 6 inches, warts, no triangular mark on head, X-shaped mark on back.
Related Questions
Explain the significance of coevolution.
Answers
Coevolution is one of the main procedures via which organization of biological communities is done.
What is coevolution?It is the process of reciprocal evolutionary change, which takes place between the groups of species or pairs of species as they associate with one another. The activity of every species, which takes part in the association leads to selection pressure on the others.
It is one of the main approaches by which organization of biological communities is done. It can result in very unique associations between the species, like that between the plant and pollinator and between the parasite and host. It may also encourage evolution of novel species.
Thus, coevolution plays an essential role in the organization of biological communities.
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hurrryyy please 100 points!!!!!!!!!!!!!!!!!!!!!!!!!
options are: more, homeostasis, growth, positive, negative.
Answers
positive,homeostasis,more
The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another. Why is this the case? (3 points)
a) Some membrane components are synthesized outside of the cell, while others are synthesized in the cytosol.
b) The two sides of a cell membrane face different environments and carry out different functions.
c) The molecular composition of the inner and outer layers of the cell membrane is determined by genes.
d) Proteins only function on the cytoplasmic side of the cell membrane, which results in asymmetry across the membrane.
Answers
Answer:
The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another , this happens because the two sides of a cell membrane face different environments and carry out different functions.
Explanation:
PROTEINS , LIPID AND CARBOHYDRATES , all are the components of the plasma membrane , located at different sites .
PROTEINS -: The main component of plasma membranes is proteins. Two key categories of membrane proteins are available: integral and peripheral. As their name implies, integral membrane proteins are incorporated into the membrane: they have at least one hydrophobic region that anchors them to the phospholipid bilayer's hydrophobic center. Others just stick partway through the membrane, while others extend from one side of the membrane to the other and on either side are exposed.
On the outside and inside surfaces of membranes, peripheral membrane proteins are found which are bound either to integral proteins or to phospholipids. Peripheral membrane proteins do not stick into the hydrophobic center of the membrane as opposed to integral membrane proteins, and appear to be more loosely bound.
LIPID -: Phospholipids, arranged in a bilayer, make up the plasma membrane 's essential cloth. Since they are amphipathic, they are well-suited for this function, meaning they have both hydrophilic and hydrophobic regions.
The hydrophilic or "water-loving" component of a phospholipid is its head, which includes a phosphate group that is negatively charged, as well as an additional small group that can also be charged or polar.
Its long, nonpolar fatty acid tails make up the hydrophobic, or "water-fearing," portion of a phospholipid. The tails of fatty acids can interact easily with other non-polar molecules, but interact poorly with water.
CARBOHYDRATES -: The main component of plasma membranes is carbohydrates. In general, they are located on the outer surface of the cells and are either bound to proteins (glycoproteins forming) or to lipids (glycolipids forming). These chains of carbohydrates can consist of 2-60 units of monosaccharide and can either be straight or branched.
Hence , the correct option is B.
Use the information below to answer the question that follows:
A horizontal bar chart depicting World War II military and civilian casualties for both Allied and Axis countries is shown. On the lower right, a pie graph shows the deaths of Allied civilians, Allied military, Axis civilians, and Axis military as a percentage of total WWII-related deaths. The Allied countries listed include the Soviet Union, China, Poland, Indonesia, India, Yugoslavia, French Indochina, France, United Kingdom, United States, Lithuania, Czechoslovakia, Greece, Burma, and Latvia. The Axis countries listed include Germany, Japan, Romania, Hungary, Italy, and other. Countries with at least two million military casualties include the Soviet Union (11 million), China (3.8 million), Germany (5.7 million), and Japan (2 million). Countries with less than one million military casualties include India (.1 million), Yugoslavia (.4 million), France (.2 million), the United Kingdom (.4 million), the United States (.4 million), Romania (.4 million), Hungary (.4 million), Italy (.4 million), and other (.4 million). Countries with more than one million civilian casualties include the Soviet Union (12.5 million), China (15.2 million), Poland (4.8 million), Indonesia (4 million), India (1.5 million), French Indochina (1 million), Germany (2 million), and other (1.2 million). Countries with less than one million civilian deaths include Yugoslavia (.6 million), France (.4 million), Lithuania (.3 million), Czechoslovakia (.3 million), Greece (.3 million), Burma (.2 million), Latvia (.1 million), Japan (.6 million), Romania (.4 million), Hungary (.2 million), and Italy (.1 million). The pie chart shows that Allied Civilian deaths were 58 percent of the all WWII deaths, Allied Military deaths were 25 percent, Axis Military deaths were 13 percent, and Axis civilian deaths were 4 percent.
Which of the following statements is supported by the information above?
Answers
D.) The Japanese suffered the greatest loss of life among the Axis powers. This is supported by the information that Japan had 2 million military casualties and .6 million civilian casualties, which is the highest among the Axis nations listed.
What is power?Power is the ability to exercise control or authority over someone or something. It is the capacity to influence the behavior of others and the outcomes of events. Power can be expressed in many forms, such as authority, influence, persuasion, or force. It can manifest in the form of physical, mental, or social energy, and is the foundation for the development of leadership. Power can be used for either positive or negative purposes, depending on the user's intentions. Power is often seen as an advantage, but it can also be a source of tension, conflict, and competition. Ultimately, power is necessary for social, economic, and political stability.
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Complete Question:
Use the information below to answer the question that follows:
A horizontal bar chart depicting World War II military and civilian casualties for both Allied and Axis countries is shown. On the lower right, a pie graph shows the deaths of Allied civilians, Allied military, Axis civilians, and Axis military as a percentage of total WWII-related deaths. The Allied countries listed include the Soviet Union, China, Poland, Indonesia, India, Yugoslavia, French Indochina, France, United Kingdom, United States, Lithuania, Czechoslovakia, Greece, Burma, and Latvia. The Axis countries listed include Germany, Japan, Romania, Hungary, Italy, and other. Countries with at least two million military casualties include the Soviet Union (11 million), China (3.8 million), Germany (5.7 million), and Japan (2 million). Countries with less than one million military casualties include India (.1 million), Yugoslavia (.4 million), France (.2 million), the United Kingdom (.4 million), the United States (.4 million), Romania (.4 million), Hungary (.4 million), Italy (.4 million), and other (.4 million). Countries with more than one million civilian casualties include the Soviet Union (12.5 million), China (15.2 million), Poland (4.8 million), Indonesia (4 million), India (1.5 million), French Indochina (1 million), Germany (2 million), and other (1.2 million). Countries with less than one million civilian deaths include Yugoslavia (.6 million), France (.4 million), Lithuania (.3 million), Czechoslovakia (.3 million), Greece (.3 million), Burma (.2 million), Latvia (.1 million), Japan (.6 million), Romania (.4 million), Hungary (.2 million), and Italy (.1 million). The pie chart shows that Allied Civilian deaths were 58 percent of the all WWII deaths, Allied Military deaths were 25 percent, Axis Military deaths were 13 percent, and Axis civilian deaths were 4 percent.
Which of the following statements is supported by the information above?
A.) There were more military deaths globally than civilian deaths.
B.) The Axis nations lost more people overall than the Allied nations.
C.) Poland lost the highest percentage of their country's population in the war.
D.) The Japanese suffered the greatest loss of life among the Axis powers.
the xx chromosome type is found in__
Answers
Answer:
\(females \: \: \: \: \: \\ it \: is \: your \: right \: answer \: \)
Regulating the Cell Cvele
READING TOOL Make Connections In the graphic organizer below, fill in each box with headings from this unit to help you understand the concepts.
Answers
A cell cycle is the sequence of events that occur in a cell as it develops and splits. A cell spends the majority of its time in what is known as interphase, where it develops, copies its chromosomes, and prepares for cell division.
What is the cell cycle ?The cell cycle, also known as the cell-division cycle, is the sequence of events that occurs in a cell that causes it to split into two offspring cells. These events include the reproduction of its DNA and some of its organelles, followed by the split of its cytoplasm, chromosomes, and other components into two daughter cells in a process known as cell division.
The cell cycle in nucleated cells (eukaryotes, which include mammal, plant, fungal, and protist cells) is split into two stages: interphase and the mitotic (M) phase (including mitosis and cytokinesis).
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You have an unknown
substance in the lab. It
conducts electricity well. If
you had to make a guess
about this substance, what
would you guess about it?
A. The substance is most likely a base.
B. The substance is most likely an acid.
C. You cannot determine whether the
Substance is an acid or a base from this
information alone.
Answers
Magnetic storms are the result of which of the following?
A) a solar prominence
B) an increased number of solar wind particles
C) constant solar wind
D) 10-to 11-year cycling of sunspots
Answers
Answer:
Answer: The answer is B, an increased number of solar wind particles. and I don't care if I get brainiest
which of the below happen when the masticated di- and tri-saccharide reach the stomach? a - microvilli's brush border enzymes break them downb - masticationc - break of sucrase into fructose&glucosed - none
Answers
Option d is Correct. The masticated di- and tri-saccharide do not cause any of the following when they enter the stomach. The human small intestine's enzyme sucrase, a -glucosidase, hydrolyzes sucrose into its monosaccharides fructose and glucose.
The sucrase-isomaltase enzyme is produced using instructions from the SI gene. This enzyme is present in the small intestine and is in charge of dissolving sucrose and maltose into their basic sugar forms. The conversion of fructose-1-phosphate into glyceraldehyde and dihydroxyacetone phosphate is carried out by the crucial enzyme aldolase B.
Fructose-1-phosphate accumulates without this enzyme, which is harmful to the liver. Glucose isomerase, which transforms glucose into fructose, is produced intracellularly by the species of Streptomyces, Bacillus, Arthobacter, and Actinoplanes.
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Correct Question:
Which of the below happen when the masticated di- and tri-saccharide reach the stomach?
a. microvilli's brush border enzymes break them down
b. mastication
c. break of sucrase into fructose & glucose
d. none.
An object displaces 7.1 ml of water. If the mass of the
object is 4 grams, what is the density?
Answers
Answer: D = 0.56 g/ml
Explanation:
We can use the density equation for this one.
D = m / v
We are given Mass (m) and Volume (v).
D = 4g / 7.1 ml
D = 0.56 g/ml
Can someone please help !
Answers
Discuss population studies in Biology and the types of population sampling
Answers
Biology population studies are crucial for understanding the dynamics of populations in their natural environments.
What types of sampling of the population are there?Consisting of convenience, cluster, random, systematic, and stratified sampling methods. It's like pulling names out of a hat after everyone has put their names in it. Each element has an equal chance of showing up in the population.
What does the population study via sampling approach entail?By using sampling, researchers can draw conclusions about a population based on data from a sample of that group without than having to look at every single person.
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Which best describes?
Answers
Answer:
I think it might be the last response, since it takes about what some say, 550 million years...
It might be wrong... But take it into consideration that it might be the right answer.
Vaccine is used to establish adapted immunity. Explain how this adapted immunity is established by mRNA vaccine.
Answers
mRNA vaccines work by introducing a small piece of the virus's genetic material, called messenger RNA (mRNA), into the body. This mRNA is specifically designed to instruct cells in the body to produce a protein that is found on the surface of the virus.
Once this protein is produced, the body's immune system recognizes it as foreign and produces an immune response, including the production of antibodies and immune cells that specifically target this protein on the virus.
This creates a specific and targeted immune response that can protect against future infections by the virus, establishing adapted immunity.
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How would researchers produce the transgenic pigs? What do they have to do to make sure the desired trait is inherited by the offspring?
Answers
Researchers produce transgenic pigs by inserting foreign genes using DNA recombination procedures such as the CRISPR Cas 9 genome editing system. These traits are inherited because genotyping can determine if the insertion procedure was successful.
What is genotyping and how it is used to determine a genotype?Genotyping is a sequencing technique that can be used to determine a genotype by obtaining the linear order of nucleotides for a given gene region.
Therefore, with this data, we can see that genotyping allows us to observe how genes are inserted through genetic engineering techniques.
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How does the leafy shoot of
the strangler fig affect the tree
it is growing around?
Answers
Answer:
Once established, the young strangler figs begin sending aerial roots down to the ground, where they quickly dive into the soil and anchor themselves. Once in contact with the ground, the fig enters a growth spurt, plundering moisture and nutrients that the host tree needs
Explanation:
Once in contact with the ground, the fig enters a growth spurt, plundering moisture and nutrients that the host tree needs.
Explain why lizards with brown tails are more likely to be eaten by snakes than the lizards with blue tails.
Answers
Answer:
lizard tails with vivid blue reflectance evolved in communities with either weasel or snake predators, which can both detect blue wavelengths. However, lizard tail UV reflectance was much higher in populations with only snake predators, perhaps because snakes can detect UV, yet weasels cannot. Finally, a cryptic brown tail evolved on islands where birds are the primary lizard predator. Because birds have keen visual acuity, a brown, camouflaged tail may be more advantageous.
Explanation:
It is known as autotomy (from the Greek words “self” and “severe”) or self-amputation when a lizard cuts off its tail as a self-defense strategy to frighten away a predator. Technically referred to as a fracture plane, a line of weakness in a lizard's tail is present from birth.
What lizards with brown tails likely to be eaten by snakes?Weasel or snake predators, both of which can detect blue wavelengths, were present in the populations where lizard tails with intense blue reflectance evolved.
Finally, in islands where birds are the main lizard predator, a mysterious brown tail has evolved. Given that birds have excellent vision, a brown, disguised tail might be preferable.
Therefore, But in groups with solely snake predators, lizard tail UV reflectance was substantially higher, maybe because weasels cannot see UV but snakes can.
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A student records the amount of time it takes mice to run
through a maze.
Which two terms describe this type of data?
A. Continuous
B. Quantitative
C. Qualitative
D. Discrete
Answers
Quantitative and Discrete are the two terms that describe this type of data.
Data are a group of discrete values that describe an amount, quality, fact, statistics, or other fundamental units of meaning, or they can simply be a series of symbols that can be further understood. A datum is a specific value contained in a group of data.
Quantitative data is information that is numerical, whereas qualitative data is information that is descriptive (it describes something) (numbers).
Discrete or continuous quantitative data are both possible. While continuous data can take any value, discrete data can only take specific values (such as whole integers) (within a range).
Text, observations, numbers, graphs, figures, pictures, and symbols are all examples of data. Data may consist of specific costs, weights, addresses, names, ages, temperatures, dates, or distances, for instance.
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Which of the following actions would help ensure safety in a biology laboratory? keeping personal belongings on top of the lab table trying a piece of equipment until you get it to work discussing the football game while you do the lab being serious and attentive throughout the lab activity
Answers
Answer:
being serious and attentive throughout the lab activity
Explanation:
I don't thinj it needs an explanation. You just have to think logically.
Answer:
D
Explanation:
Which situation would most likely result in evolution? Question 12 options: a. A green parrot has an allele for green feathers and an allele for blue feathers. b. A large population continues to grow larger. c. A butterfly predator sees yellow more easily than it does green, and a population of butterflies includes both phenotypes.
Answers
Answer:.
Explanation:
____ can cause slow changes to earths landscape
Wind
Water
Sand
Ice
All of the above
Answers
Answer:
all of the above
Explanation:
All of these answers (wind, water, sand, and ice) can slowly erode and change the landscape in which they are.
hope this helps:)
draw the metaphase stage of mitosis in plant cell with chromosomes
Answers
Answer:
get a life sci study guide it will help u
if a population overshoots its ___ it may have a population crash
Answers
Active tissues generate carbon dioxide, which diffuses out of the tissue into the bloodstream, to be carried away. is this diffusion into the blood a case of flow up a gradient, or down? explain.
Answers
The carbon dioxide is created in the active tissues, which are at the bottom of the concentration gradient and have the highest concentration.
Why is a concentration gradient significant and what does it entail?Understanding how ions and particles flow randomly in a solution or gas depends on the concentration gradient.It is the method used to move particles in a solution from a region of higher concentration to one of lower concentration.What function does the gradient in concentration play in diffusion?Therefore, the concentration gradient symbolises the idea that, during diffusion, molecules move down the concentration gradient in a manner similar to how a ball rolls down a hill. Diffusion rates will increase with increasing concentration gradients. The gradient evens out as the molecules move toward equilibrium.
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if you wished to observe chiasmata forming during meiosis, what stage of meiosis would have the best cells to use?
Answers
The chiasmata formation occurs during the diplotene stage of the Prophase 1.
Chiasmata are the points where the non sister chromatids attach attaches to the homologous chromosomes. It leads to exchange of segments and creates variation. The chiasma is a structure that forms between a pair of homologous chromosomes by crossover recombination and physically links the homologous chromosomes during meiosis. The chiasmata become visible during the diplotene stage of prophase I of meiosis, but the actual "crossing-overs" of genetic material are thought to occur during the previous pachytene stage.
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What is the purpose of artificial selection?
A.to develop new species of organisms
B.to remove all recessive traits from a population
C.to produce organisms with Desiree traits
D. To produce organisms that are unable to reproduce on their own
Answers
Answer:
C
Explanation:
Because you want the organisim to have the traits that are desirable. Such as a trait of a dog, like a certain color or something, or a squashed nose in pugs.
The chemical formula for ethanol is C2H6O. Which of the following is true?
Answers
Yes it is true, the chemical formula of ethanol is C₂H₆O it includes two moles of carbon atoms, six moles of hydrogen atoms, and one mole of oxygen atoms.
Organic substances include ethanol. Its chemical formula can also be expressed as C₂H₅OH or CH₃CH₆OH. A volatile, flammable, colorless liquid known as ethanol has a distinctive wine-like odor and bitter flavor.
An ethanol molecule contains nine atoms. The quantity of atoms in a molecule can be estimated from its chemical formula. One molecule of ethanol has the chemical formula C₂H₆O, which consists of the three elements carbon, hydrogen, and oxygen.
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Identify how strongly linked gene one and gene two are on each of the chromosomes models
Answers
There are two types of linkage--Complete linkage,Incomplete linkage.
When two genes are close with each other (together )on the same chromosome, then they are said to be linked wih each other, which means that the alleles, or gene versions, already together on one chromosome will be inherited as a unit more frequently than not.
When it is Crossing-over during meiosis sometimes they separates genes that had been on the same chromosome onto homologous chromosomes.
Alleles which are positioned on the same chromosome are not always inherited together because during meiosis linked genes can became unlinked. Frans Janssen a biologist suggested taht the chromosomes become unlinked during homologous recombination, a process where homologous chromosomes exchange segments of DNA.
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the three main components of the cardiovascular system are , blood vessels, and the .
Answers
The three main components of the cardiovascular system are the heart, blood vessels, and the blood.
What is the function of the heart in the cardiovascular system?The heart is responsible for pumping blood throughout the body, which is necessary to transport oxygen, nutrients, and other important substances to the cells in the body.
What are the different types of blood vessels in the cardiovascular system?The blood vessels in the cardiovascular system can be divided into three main types: arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart and toward the body's tissues, while veins carry deoxygenated blood back to the heart. Capillaries are small, thin-walled vessels that allow for the exchange of nutrients, oxygen, and waste products between the blood and the body's cells.
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Answer:
The blood
Explanation:
I got the answer right on a test.
When preparing to isolate proteins from plant cells, the first step in preparing the cell homogenate would be
Answers
When preparing to isolate proteins from plant cells, the first step in preparing the cell homogenate would be to carefully grind the plant material in a buffer solution that is specifically designed to preserve the protein structure and stability.
This process is known as cell lysis or homogenization and is critical to obtain high-quality protein samples for downstream applications.
The buffer solution used for cell lysis should contain protease inhibitors to prevent degradation of proteins during the extraction process. Additionally, detergents can be added to disrupt the cell membrane and release the intracellular contents. The choice of buffer and detergent depends on the type of plant tissue and the specific protein of interest.
After homogenization, the mixture is typically centrifuged to separate the insoluble debris from the soluble protein fraction. The supernatant containing the protein can then be further purified using different techniques such as chromatography, precipitation, or electrophoresis.
Overall, the initial step of cell lysis is crucial for obtaining high-quality protein samples from plant cells, and the choice of buffer and detergent should be carefully considered based on the specific experimental requirements.
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