If Sammi had more time or better resources, how could she improve her model to eliminate some of the weaknesses?

Answers

Answer 1

Answer:

The Anwser is A

Explanation:

Answer 2

Answer:

Sammi could use better materials to represent the villi lining instead of cardboard. It make it more realistic she could use some more capillaries.

Explanation:


Related Questions

Need help with this question

Answers

Answer:

They can be reproduced on a human timescale ⇒ Renewable resources

Renewable resources don't take millions of years to form like non-renewable resources. This allows for them to be renewed in a relatively short time.

They take millions of years to form ⇒ Non-renewable resources

Most non-renewable resources are fossil fuels and these take millions of years to form as they are the result of the remains of dead plants and animals being compressed over those millions of years.

They are produced naturally ⇒ Both Renewable and Non-renewable

Both types of resources are produced by natural processes. Fossil fuels are dead animals and plants and renewable resources like wind and solar are natural.

They are extracted by mining ⇒ Non-renewable resources

As mentioned, fossil fuels take millions of years to form and are formed by compression. This compression happens because the dead animals and plants are buried underground. To extract the fuels therefore, they need to be mined.

Their use as an energy source is increasing because they reduce pollution ⇒ Renewable resources

Renewable sources do not cause pollution like non-renewable sources so they are a preferred option when it comes to environmental damage.

If you lived in Los Angeles, California, what region would you be a part of?

A. The greater San Francisco area

B.The Eastern Hemisphere

C.South America

D.The West Coast of the United States


PLEASE HELP ME !!!

Answers

Answer:

D.The West Coast of the United States

Answer:

D because

Southern California (popularly known as SoCal; Spanish: Sur de California) is a geographic and cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most populous urban agglomeration in the United States.

Explanation:

What is the derived Sl unit for quantities of energy?

A. Newton
B. Mole
C. Joule
D. Kilogram

Answers

Answer:

C. Joule

Explanation:

Energy can be defined as the ability of an individual to do work per unit time.

There are different types of energy and these includes mechanical energy, chemical energy, solar energy, electrical energy, nuclear energy, wind energy etc.

Also, there are two (2) forms of energy and these are;

I. Potential energy: it can be defined as an energy possessed by an object or body due to its position.

Mathematically, potential energy is given by the formula;

[tex] P.E = mgh[/tex]

Where;

P.E represents potential energy measured in Joules.m represents the mass of an object. g represents acceleration due to gravity measured in meters per seconds square. h represents the height measured in meters.

II. Kinetic energy: it can be defined as an energy possessed by an object or body due to its motion.

Mathematically, kinetic energy is given by the formula;

[tex] K.E = \frac{1}{2}MV^{2}[/tex]

Where;

K.E represents kinetic energy measured in Joules. M represents mass measured in kilograms. V represents velocity measured in metres per seconds square.

A derived unit can be defined as a unit derived through the multiplication of three (3) SI base unit; mass (kg) , length (m) and time (s).

Hence, the derived Sl unit for quantities of energy is Joules (m²kgs¯²).

What phase of the cell cycle does DNA synthesis occur?
O Telophase
Anaphase
Interphase
O Prophase
O Metaphase
O Cytokinesis

Answers

Answer:

Interphase

Explanation:

is the only phase that goes through DNA also we are learning the same thing lol

Calcium and phosphorus are both essential for the proper growth of
a. bones
b. hair
C. fingernails
d. all of the above

Answers

Answer:

The real answer is A.

Explanation:

Calcium and phosphorus are both essential for the proper growth of Bones. So, the correct option is (A).

What are Bones?

A bone is defined as the hard organ that forms part of the skeleton in most vertebrate animals and protects various other organs of the body that produce red and white blood cells, store minerals, provide structure and support for and enable mobility.

These come in a wide variety of shapes and sizes and have complex internal and external structures and are strong and rigid as well as being light weight and perform many functions.

Their functions include supporting the body's structure, protecting vital organs and allowing the body to move, and providing an environment for the bone marrow, where the body manufactures blood cells, and they store minerals, especially they act as storage areas for calcium. The skeleton accounts for about 15% of the body weight.

Thus, Calcium and phosphorus are both essential for the proper growth of Bones. So, the correct option is (A).

Learn more about Bones, here:

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Can someone please help me

Answers

Answer:

STUDENT 2

Explanation:

PLEASE MARKE ME AS BRAINLIST❤❤

11. Bartholins' gland is present in human
beings on -
a. Either side near the vaginal
opening
At the base of male copulatory organ
c. Anterior margin of vaginal orifice
d. Prostatic region of urethra in males
14​

Answers

_________________________________

A - Either Side of The Vaginal Opening

The purpose of these glands are to lubricate the vagina so the body is ready for sex.

_________________________________

Answer:

a.Either side near the vaginal opening is answer.

Explanation:

I hope it's helpful!

All organisms need to have the proper environment for them to carry out the basic functions of life, such as nutrition. Explain why Deshawn's experiment supported this.

Answers

Answer and Explanation:

Nutrition enables the organisms to grow and reproduce. Plants require water, light, and essential nutrients to fulfill their biochemical needs. Plants obtain food in two ways. Autotrophic plants can prepare their food from water and carbon dioxide by photosynthesis in the presence of sunlight, such as green plants. Heterotrophic plants cannot prepare their food. They obtain nutrients from the host plant. Parasitic plants have no leaves and depend on their host for existence. A saprophyte plant obtains its food from dead matter. An insectivorous plant has left to digest and attract insects. Animals depend on other organisms to fulfill their nutritional needs. Animals are classified into three groups, such as herbivores, omnivores, and carnivores. Carnivores are meat eaters such as tigers and lions. Herbivores are plant eaters such as koalas, deer, and birds. Omnivores are both plants and animal eater such as chickens, humans, and bear. That why Deshawn’s experiment supports this statement is that all organisms need a proper environment to carry out essential life functions.

Answer:

Nutrition permits the organisms to develop and reproduce. Plants require water, light, and crucial vitamins to fulfill their biochemical needs. Plants acquire meals in two ways. Autotrophic plant life can put together their meals from water and carbon dioxide by means of photosynthesis in the presence of sunlight, such as inexperienced plants. Heterotrophic vegetation can't put together their food. They gain vitamins from the host plant. Parasitic flowers have no leaves and rely on their host for existence. A saprophyte plant obtains its meals from lifeless matter. An insectivorous plant has left to digest and entice insects. Animals rely on different organisms to fulfill their dietary needs. Animals are labeled into three groups, such as herbivores, omnivores, and carnivores. Carnivores are meat eaters such as tigers and lions. Herbivores are plant eaters such as koalas, deer, and birds. Omnivores are each flowers and animal eater such as chickens, humans, and bear. That why Deshawn’s test helps this assertion is that all organisms want a perfect surroundings to elevate out critical existence functions.

Explanation:

ways ecosystem disruption affect humans.

Answers

Answer:

human health disruption can occur when ecosystem services are no longer able to meet social needs

What does photosynthesis produce (make) ?

Answers

Answer:

photosynthesis produce food for plants

What occurs during the the digestion of proteins

Answers

Answer:

Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids. Amino acids are joined together by peptides, which are broken by proteases. From your stomach, these smaller chains of amino acids move into your small intestine.

Explanation:

Thank me later

1)Plants and animals need a sugar called glucose in order to make ————— energy in a process called————.

Answers

Answer:

ATP, Cellular resperation

Explanation:

Which of the following statements are TRUE regarding autotrophs? Click on ALL that apply.
1 point
Plants such as sunflowers are examples of autotrophs.
Autotrophs rely on other organisms for their energy and food supply.
Animals such as mice and squirrels are examples of autotrophs.
Autotrophs capture energy from sunlight or chemicals and use it to produce its own food.

Answers

Answer:

Plants such as sunflowers are examples of autotrophs.

Autotrophs capture energy from sunlight or chemicals and use it to produce its own food.

Explanation:

A plant is an autotroph because it captures energy from the sun to produce its own food (glucose).

Henry learned that without the right kind of energy, plants cannot survive. What form of energy is used by plants to perform photosynthesis? electrical electrical light light mechanical mechanical wind

Answers

Answer:

solar energy

Explanation:

QUICK I DO BRAINLY!!

Answers

answer

Potable water is available in almost all populated areas of the Earth, although it may be expensive and the supply may not always be sustainable. Sources where water may be obtained include: Ground sources such as groundwater, springs, hyporheic zones and aquifers.

Our drinking water comes from lakes, rivers and groundwater. For most Americans, the water then flows from intake points to a treatment plant, a storage tank, and then to our houses through various pipe systems. A typical water treatment process. Coagulation and flocculation - Chemicals are added to the water.
hope this helped i didnt know the exact answer but have a wonderful day :)

In a reaction that proceeds in the forward direction spontaneously, which has more free energy, the reactant or the product?

Answers

Answer:

For chemical reactions where the free energy of the reactants is much greater than the free energy of the products (DGo' < 0), the reaction proceeds spontaneously and the net result is a large ratio of product to reactant (large Keq).

Explanation:

what ecological method would you use to see if a water is good to drink

Answers

Water quality testing would be the best approach.

Explanation:

Experimenting because just observing the water is not enough. You need to test to make sure there are no harmful chemicals in the water since you'll be drinking. Modeling will not determine whether or not the water is clean, either.

How do you use a light microscope?

Answers

Answer:

Step 1: Connect the light microscope to a power source. ...

Step 2: Turn the revolving nosepiece so the lowest objective lens is in position.

Step 3: Mount your specimen onto the stage. ...

Step 4: Use the metal clips to keep your slide in place.

Explanation:

!?!?!?!?!?!?!??!?!?

The job of the human heart is to circulate blood through all of the body's arteries, capillaries, and veins. The job of the human lungs is to supply the small amount of blood in them with oxygen.

The interaction of these two parts of the human body results in a system that

Question 7 options:

circulates oxygen-filled blood throughout the body.


removes old blood from the body.


turns the protein in blood into food energy for the digestive system.


breaks down food energy, and turns it into heat.

Answers

Answer:The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.

Explanation:The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.

Which is the best definition of Directional Selection?

A: A process by which two species can no longer reproduce

B: A process by which one of the extreme variations of a trait is favored

C: A process by which individuals with either extreme of a trait are favored

D: A process by which average individuals in a population are favored.​

Answers

Answer:   B    A process by which one of the extreme variations of a trait is favored

Explanation:

The best definition of directional selection is as follows:

A process by which one of the extreme variations of a trait is favored.

Thus, the correct option for this question is B.

What is Selection?

Selection may be defined as the process through which certain traits of organisms become more prevalent in a species than other traits.

Directional direction may be defined as the process through which one extreme is more favored, while the other extreme and an intermediate is having the least favored.

It is of two types negative skewed and positive skewed. Directional selection may also be known as progressive selection or Darwinian selection.

Examples of directional selection include Industrial melanism, DDT-resistant insects, Darwin finches, antibiotic-resistant, etc.

Therefore, the correct option for this question is B.

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the breakdown of large, complex, molecules into smaller, simpler molecules is accomplished by a process known as? A. Dehydration Synthesis B. Induced Fit C. Hydrolysis D. Lock and Key Synthesis

Answers

Answer: C. Hydrolysis

Explanation:

In the process of hydrolysis, large complex molecules such as polymers are broken down into smaller, simpler molecules like monomers.

This is done through the use of water. The molecule that neds to be broken down is reacted with water and water then breaks the bonds of the complex molecule. The hydrogen ion in water goes to a molecule of the other reactant and the OH- goes to another molecule.

1pt What is a force?
O A. a nucleus or an electron
B. a balance or an imbalance
c. a push or a pull
D. a mass or a weight

Answers

i think the answer is c

Answer:

C. A push or a pull. HAVE A GOOD DAY oop


All 4 of the macromolecules that make up living things are all _____ based
molecules, making them organic molecules.
a. oxygen
b. carbon
c. hydrogen
d. nitrogen

Answers

im pretty sure it’s carbon but it may also be oxygen depending on which living things they’re referring to

what are three ways human traits are controlled​

Answers

Answer:

eye or vision

arms

legs

Explanation:

Do you think that Humanity should make the effort to colonize space?

Answers

Answer:

Yes

Explanation:

Human space exploration helps to address fundamental questions about our place in the Universe and the history of our solar system. Through addressing the challenges related to human space exploration we expand technology, create new industries, and help to foster a peaceful connection with other nations.

Answer:

Yes because you need know what you are feeling.

please helpppp for finals

Answers

Answer:

b

Explanation:

HELP PLZ!!!!!!!!!!!

Answers

Answer:

Sodium chloride is a compound. A compound is a molecule of two or more different types of atoms chemically bonded together. :)

Darwin's finches live in the same habitat and are subject to the same environmental pressures. Yet, as
one population size increases, another decreases, and then the reverse may occur. Which stimulus is
MOST likely to cause these changes in population size?
A) a decrease in nesting materials
B) changes in the predator population
C) a loss of habitat due to human encroachment
D) changes in the size and hardness of available seed food

Answers

The answer is C because

Joshua has invented a special greenhouse. By turning a special dial in his new greenhouse, Joshua can choose which type of sunlight can enter the greenhouse. When only ultraviolet light is allowed to enter the greenhouse, what will happen while Joshua is standing inside the greenhouse?

A. Joshua can see objects inside the green house.

B. Joshua can see objects outside the greenhouse.

C. As time passes, Joshua begins to sunburn.

D. As time passes, it becomes warmer inside the greenhouse than it is outside.

Answers

Answer:

As time passes, it becomes warmer inside the greenhouse than it is outside.

Explanation:

Hope this helps! Caca.

Interphase lasts for ________ of a cell's life.
A
98%
B
80%
C
50%
D
20%

Answers

A.98

EXPLAINATION

During interphase, the cell undergoes normal growth processes while also preparing for cell division. It is the longest phase of the cell cycle, cell spends approximately 90% of its time in this phase. In order for a cell to move from interphase into the mitotic phase, many internal and external conditions must be met.

Interphase lasts for 98% of a cell's life. Thus option A is correct.

What are interphase?

Interphase are defined as the G1, S, and G2 phases of the cell cycle, which are the parts of the cycle during which no changes can be seen under a microscope.

It can also defined as when a cell duplicates its DNA to get ready for mitosis during the cell cycle.

G1 phase (cell growth), S phase (DNA synthesis), and G2 phase are the phases of interphase (cell growth). After interphase, the mitotic phase, which includes mitosis and cytokinesis and results in the formation of two daughter cells, starts.

It is important because it enables the cell to develop, replicate its DNA, and finalize preparations for cell division, or mitosis, interphase is crucial for cell division. The cell expands physically and performs its function in the organism during G1. The cell replicates its DNA while it is in the S phase.

Thus, interphase lasts for 98% of a cell's life. Thus option A is correct.

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

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