Biology College

A prairie:


A .is always hot
B. is covered with grass
C. never gets rain
D. has dense forests​

A Prairie: A .is Always Hot B. Is Covered With Grass C. Never Gets RainD. Has Dense Forests

Answers

Answer 1
B.
I hope this helps :)
Answer 2
B is coverd with grass
A Prairie: A .is Always Hot B. Is Covered With Grass C. Never Gets RainD. Has Dense Forests

Related Questions

Correctly label the diagram of the cell with the parts of transcription and translation. Submit your response as a numbered list

1

2

3

4

5

Answers

Answer:

jlkjkllkj;

Explanation:

lkjnkjlnmklhbkjbjkhb

Nitrogen fixation by bacteria is one of the
ways that atmospheric nitrogen is converted
to a form that plants can use to make
biomolecules.
In the nitrogen cycle, which
process restores nitrogen gas back to the
atmosphere?

Answers

Answer: Denitrification

Explanation: Caused by bacteria when they use nitrate instead of oxygen for respiration

If you moved to Saturn.
What would you take with you?​

Answers

Answer:

 My BEST FRIEND my dogs and my family and all my things or if it was possible my house with everything in it

Explanation:

Answer:

my phone

Explanation:

because i have to snap alot of pictures and make some videos

it'll be great experience.

5. By examining only the chemical formula of a molecule, how would you know you were looking at a carbohydrate?

Answers

Answer: Has a ratio formula of (CH2O)n

Explanation:

Glucose: C6H12O6

Ribose: C5H10O5

2.Which of the following sequences is in the correct order to know the steps involved to test the
presence of starch in a leaf?
P - Boil the leaf in alcohol in a water bath.
Q - Add iodine solution.
R - Wash the leaf in water.
S - Boil the leaf in water.
(a) S, Q, R and P (b) P, S, Q and R
(c) Q, R, P and S (d) S, P, R and Q

Answers

Answer: c

Explanation:

C is going to be the correct answer

What is the Silk Road? When did the Silk Road originate? How many countries are connected?

Answers

Answer:

The Silk Road, often referred to simply as the Silk Road, originated from a five-volume atlas published in 1877 by the German imperial geographer Baron Ferdinand von Richthofen. The Silk Road refers to the land passage starting from Chang'an or Luoyang, passing through Gansu and Xinjiang, to Central Asia, West Asia, Europe, and connecting the Mediterranean countries. At first, the Silk Road was opened by Zhang Qian's mission to the Western Regions in the Western Han Dynasty. It started from Chang'an and reached the farthest land trade route to the countries of West Asia. In the Eastern Han Dynasty, Banchao's mission to the Western Regions opened up the long-abandoned Silk Road. The east end of the route extends to Luoyang, the capital of the Eastern Han Dynasty, and the west end extends to Europe (Rome), which is the current complete Silk Road route. This road is also known as the "Overland Silk Road" to distinguish the other two future traffic routes under the name "Silk Road". Because silk products have the greatest influence on the goods transported westward by this road, it got this name. Its basic trend is set in the Han Dynasty, including three routes of South Road, Middle Road and North Road. But in fact, the Silk Road is not a "road", but an unmarked road network through mountains and deserts, and silk is only one kind of goods.

Explanation:

Climate change may be harm for us justify?​

Answers

Climate change may be harm for us because Droughts that are more frequent and intense, storms, heat waves, rising sea levels, melting glaciers, and warming oceans can directly harm animals, destroy their habitats, and disrupt people's livelihoods and communities.

The effects of climate change on various sectors of society are interconnected. Drought can have a negative impact on both food production and human health. Flooding can lead to disease spread and damages to ecosystems and infrastructure. Human health issues have the potential to increase mortality, reduce food availability, and reduce worker productivity.

According to the World Health Organization, climate change is the greatest health threat facing humanity, threatening the progress made in development, global health, and poverty reduction over the last 50 years.

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Which is an example of a scientist using a mathematical model to describe
the atom?
OA. The scientist thinks of the atom as being like a planet and its
moons.
OB. The scientist uses ping-pong balls to represent protons, neutrons,
and electrons.
OC. The scientist has a computer calculate how far the electrons are
from the nucleus.
OD. The scientist draws a picture of an atom, being as accurate as
possible.

Answers

The scientist has a computer calculate how far the electrons are from the nucleus is an example of a scientist using a mathematical model to describe the atom.

What is a Mathematical model?

This type of model uses mathematical concepts and language and is used as a form of quantitative analysis by using the variables present in the model.

This model helps to define the relationship between the variables and an example is to calculate how far the electrons are from the nucleus in which different mathematical terms  are used which is why option C was chosen as the most appropriate choice.

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What’s the answer?????

Answers

The answer is 6+6=12+4=16+4=20

When graphing data, the variable the should be plotted on the x-axis is the...

Answers

Answer:

Independent Variable

Explanation:

the dependent variable goes on the y-axis while the independent variable goes on the x-axis

What specific pieces of evidence support the endosymbiotic theory in regard to the origins of eukaryotic organisms that can undergo photosynthesis?

Answers

Chloroplasts evolved from Cyanobacteria(early prokaryotic photosynthetic cells)

If Earth was not tilted, there would be no
A. seasonal cycle
B. Hadley cell
C. diurnal cycle
D. albedo

Answers

The main cause of the seasons is this. The Northern Hemisphere has warm weather when the Earth is tilted toward the sun, and cool weather when the Earth is tilted away from the sun. Thus, option A is correct.

What is Earth seasonal cycle?

The Earth's axis is currently inclined 23.5 degrees. The Earth rotates on its axis at a fixed tilt as it orbits the Sun. The Northern and Southern Hemispheres are tilted away from the Sun.

At different times of the year as a result of this angle. A hemisphere experiences winter and longer nights as it is tilted away from the Sun.

Therefore, there would be no seasonal cycle If Earth was not tilted.

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difference between receptors and effectors.

Answers

Receptors are specialized nerve endings that are found in the sensory organs and are responsible for receiving the stimulus to carry information and obtain a response. Effectors are nerve cells that perform the necessary responses to received stimuli
Welcome

Please help with both fill in blank for number 7.

First Fill in Blank options:
-M20
-E38
-W0

Second Fill in Blank options:
-increase
-decrease
-rate did not change

Answers

decrease and W0 because of the diagram and how it’s decreasing

what was the independent and dependent variable of kettlewell’s experiment

Answers

Answer:

The experiment found that birds selectively prey on peppered moths depending on their body colour in relation to their environmental background.

Explanation:

The evolution of a dark-coloured body provided a survival advantage in a polluted locality.

Independent Variable: Moth color (light or dark)

Dependent Variable: Predation rate by birds on moths (affected by camouflage against tree trunks).

The independent variable in Kettlewell's experiment was moth color—light or dark. The dependent variable was bird moth predation. Kettlewell examined pollution-induced tree trunk darkening, industrial melanism. Soot-covered trees helped dark moths conceal, minimising predation. The experiment examined if moth colour affected avian predation.

Light moths were more apparent on dark trees and preyed on, whereas dark moths had an advantage. This encounter showed how natural selection adapts organisms to environmental changes. Kettlewell's work showed how camouflage affected predation and evolution, linking colour variation to survival benefits in diverse settings.

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The second step in the scientific method is:
A. Constructing a hypothesis.
B. Doing background research.
C. Communicating results.
D. Asking a question

Answers

A. constructing a hypothesis
I believe the other person is incorrect. If the first step in the scientific method is asking a question, you can’t form a hypothesis right after it. In between the two you have to do background research on the topic, before formulating a hypothesis. With that I believe the correct answer is B. doing background research! :)

Students use a microscope to look for structures present in four different cells. The students
placed an X for each structure that was viewed for each cell on the table shown.

Which cell (or cells) were most likely a eukaryote? Choose the BEST ANSWER CHOICE
A. Cell X only
B. Cell X and Cell Y
C. Cell W and Cell Z
D. Cell X, Cell Y and Cell Z
Cell Z

Answers

I think it is -B but that just my guess.

Tyrel is hiking with his sister when they begin noticing that a lot of the trees around them look unhealthy. The leaves have large holes in them, as though something has been eating through them. After about a mile more of walking, both Tyrel and his sister realize that the only trees looking unhealthy with their leaves eaten through are oak trees. What is causing this?


A. a fungus


B. ash borer beetles


C. gypsy moths


D. a biopesticide

Answers

The reason for the eating of the leaves of the trees is the gypsy moths.

What are leaves?

The leaves are the photosynthetic parts of the plant. The leaves are exposed to the sun and are able to produce the food that is required by the plant. Thus, the food of the plant could only be produced at the leaves and a damage to the structure of the leave by pests would certainly have an effect on the whole plant.

The gypsy moths are known to eat the leaves of trees. We can see here that in many places, the leaves of trees could be eaten by the gypsy moths.

As such, the reason for the eating of the leaves of the trees is the gypsy moths.

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The mass of an atom is fou

Answers

Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutron.

Explanation:

Which statement is NOT true about the maintenance of variation in a
population?
O Heterozygote superiority may lead to selection for the heterozygote above
either homozygote.
O Selection for adaptation to a particular environment ensures that the
population will become stronger and more viable under any conditions.
O Only phenotypes are acted on by selection, so heterozygotes serve as a
reservoir of recessive alleles that may be adaptive in a different environment.
O Variations allow for the presence of conditions such as sickle cell anemia.
O Variation is maintained through mutation, recombination, gene flow, and
changed conditions.

Answers

Selection for adaptation to a particular environment ensures that the

population will become stronger and more viable under any conditions. This statement is NOT true about the maintenance of variation in a

population.

A variety of factors contribute to population genetic diversity. Potentially harmful recessive alleles in diploid organism populations can be protected from selection by heterozygous individuals (recessive alleles are only expressed in the less common homozygous individuals). Natural selection can also preserve genetic diversity by preserving balanced polymorphisms. Balanced polymorphisms may develop when heterozygotes are preferred or when selection is frequency-dependent.

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Identify the axis of the graph below for the rate of enzyme action.

Rate of Enzyme Action
Rate of Enzyme Actio
Rate of Enzyme Act
the x-axis (dependent variable)
Rate of Enzyme Action is the x-axis (independent variable)

Answers

Answer:

Explanation:

X-axis represent temperature and Y-axis represent enzyme activity. All enxymes act at an optimum temperature, above and below this temperature the enzyme activity declines

30 POINTS PLEASE HELP

which option is a sign that an experiment would benefit from a redesign?

The experiment contained control groups.

The hypothesis is supported by the results.

Only the independent variable in the experiment was changed.

The results refute the hypothesis.

Answers

Only the independent variable in the experiment was changed.

Explanation:

Step 1: Define your variables. You should begin with a specific research question. ...

Step 2: Write your hypothesis. ...

Step 3: Design your experimental treatments. ...

Step 4: Assign your subjects to treatment groups. ...

Step 5: Measure your dependent variable

Nature has ways of keeping the nitrogen,
carbon, and phosphorus cycles in balance.
However, run-off from animal operations and
fertilizers in our waterways can result in
A. cultural eutrophication
B. erosion
C. cleaner drinking water
D. an increase in water temperature

Answers

Answer: A. Cultural eutrophication

Explanation:

Correct option A.) cultural eutrophication.

When nitrogen and phosphorus from fertilizer are carried in runoff to lakes and oceans, they could purpose eutrophication, the overgrowth of algae. The algae can also additionally expend oxygen from the water and create a lifeless sector.

Most fertilizers utilized in agriculture—and on lawns and gardens—comprise each nitrogen and phosphorus, which can be carried to aquatic ecosystems in floor runoff. Fertilizer carried in runoff can also additionally purpose immoderate boom of algae or different microbes that have been formerly constrained through nitrogen or phosphorus. This phenomenon is known as eutrophication. At least in a few cases, phosphorus, now no longer nitrogen, appears to be the principle driving force of eutrophication.

Regions of lakes and oceans which can be depleted of oxygen because of a nutrient inflow are known as lifeless zones. The range of lifeless zones has elevated for numerous years, and greater than four hundred of those zones existed in 2008. One of the worst lifeless zones is off the coast of the US withinside the Gulf of Mexico. Fertilizer runoff from the Mississippi River Basin created a lifeless sector of over 8,463 rectangular miles.

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What is the molarity of 1.2 moles of calcium carbonate (CaCO3) dissolved in 65mL of water

Answers

18.46mol/L is the molarity. here we know that molarity is number of moles divided by the solution in liter.    

The symbol for molarity is a capital M. A solution is a mixture of two or more substances in which the substances that are mixed together and that do not change chemically. Molarity is the number of moles of solute that is present in the per liter of solution.

here it is given that 1.2 moles of calcium carbonate (CaCO3) dissolved in 65mL of water and we have to find the molarity

so molarity is   number of moles of solute/ Liter in solution.

so 1.2moles÷0.065l

    =18.46mol/L

The unit of molarity is mol/L.  the number of moles of solute per liter of solution refers to Molarity  it is expressed in moles/liter.

molarity of the 1.2 moles of calcium carbonate (CaCO3) dissolved in 65mL of water is 18.46mol/L we got it from the above equation

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The main two ways scientists share results of an experiment are
by writing a paper and submitting it to an academic journal or
presenting their findings to their students at universities.

O True
O False

Answers

True, The main ways that scientists communicate research results is by publishing the results in journals. Journals are archived and can be read by other people in the future. Some journals are peer-reviewed, meaning they only publish articles that pass a certain standard of quality -- peer-reviewed journals are usually for a specific audience, such as other scientists. Publications give scientists the most long-lasting and widespread audience. A recent movement in journal publishing is called open-access. Open-access journals no longer charge readers with subscription fees, meaning anyone with Internet access can read these journals. The second most common way for scientists to communicate their research results is to present the results at conferences. Conferences can range from several dozen attendees to tens of thousands of attendees. Conferences are places where scientists not only share their latest research findings, but also network with other scientists for the purposes of collaboration, or teamwork. They are also places where scientists share about research enigmas and get advice from each other about how to solve those problems. Conferences bring together scientists of all ages, allowing the younger scientists to connect with older, more established scientists.

Answer:

False

Explanation:

I took the test

The humerus articulates with what 2 other bones at the elbow? (spelling counts!)

Answers

Answer:

It articulates with the radius and ulna bones of the forearm to form the elbow joint.

Explanation:

why can’t Science tell us what happened at the beginning of time.

Answers

Answer: Because god is what happened at the beginning of time but science can explain god no one can so they can't talk about how the beginning of the world happened

Explanation:

i guess because we can't prove everything 100% and lots of people have different beliefs

hope this helps but i doubt it lol

Earth Science: Q9. What does each letter in the diagram below represent?

Answers

The Earth is composed of three main layers: the crust, the mantle and the core. A) Inner core, B) Outer core, C) Mesosphere, D) Lithosphere, E) Astenosphere, F) Oceanic crust, G) Continental crust, H) Litosphere, I) Outer mantle, J) Astenosphere.

What are the layers of the Earth?

Three main layers compose the Earth.

The crust

This is the most external layer.

It is located right upon the mantle and is divided into many plates, that move over it.

It is composed of the oceanic basaltic plate (6-12 km) and the uppermost continental granitic plate (25-70 km).

The mantle

This is the second layer that composes the Earth.

It is a very hot and dense rock that is capable of flowing.

Convection currents occur in this layer, rising hot melted material from the deepest region and sinking cold solid material from the surface.

Three layers compose the mantle,

• Upper mantle (40-400km)

• Transition zone (400-670km)

• Inner mantle (2285 km)

The core

This is the third layer and is divided into two sublayers,

- the solid inner core (1216 km)

- the liquid outer core (2270 km)

The core is mainly composed of Ferrum and nickel, and its temperature is about 6000ºC.

The extremely high temperatures are closely involved in material circulation, keeping the Earth's surface temperature, and  electromagnetic field.  

• The core composes the Endosphere

• The Internal mantle composes the Mesosphere

• The Transition zone and superior mantle compose the Astenosphere

• The Crust composes the Lithosphere

In the attaches filed you will find the correct names of each layer.

A) Inner core

B) Outer core

C) Mesosphere

D) Lithosphere

E) Astenosphere

F) Oceanic crust

G) Continental crust

H) Litosphere

I) Outer mantle

J) Astenosphere

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The classification system for organisms has changed from seven levels to eight. This happened because
scientific consensus changed as scientists learned more about organisms.
scientists did not test the seven-level system often enough to lead to consensus.
the eight-level system of classification is an emerging idea that needs more testing.
the seven-level system of classification was not supported by scientists.

Answers

There are now eight levels in the organism classification scheme as opposed to the previous seven. The reason for this is because: as scientists learnt more about organisms, the scientific consensus shifted.

The seven-level scheme was not put to the test by scientists frequently enough to produce agreement.

The eight-level classification system is a new concept that requires more research. Scientists did not agree with the classification scheme of seven levels.

The seven categorization systems were organised by Carolus Linnaeus. The Linnaean classification system uses a hierarchy of groupings called taxa. The eight Levels of the Classification System were proposed by Thomas Cavalier-Smith.

The Classification System's Levels:

The eight tiers of the organism classification hierarchy are as follows:

domain, kingdom, phylum, class, order, Family, genus, species

The classification criteria:

The following standards apply to the levels of the organism categorization system:

cell structure complexity, body arrangement, manner of nourishment, way of life, and phylogenetic relationship.

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A. Scientific consensus changed as scientists learned more about organisms.


5. R groups can be classified by their chemical properties. Identify the three classifications for R groups and then
discuss how the R groups affect the structure and function of a protien

Answers

Answer:

this is answers

scan and see

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