PLEASE HELP ME!!!!
What would happen to the members of a food web if most of the trees died?
A. only the trees will be effected
B. only things that eat tree leaves will have less to eat
C. Nothing will happen
D. The whole food web will be disrupted
Which answer choice accurately depicts the sequence by which blood moves from the pulmonary vein to the body tissues?
Answer:
See the answer below
Explanation:
Oxygen-rich blood flows from the lung through the pulmonary vein to the left atrium of the heart. From there, the blood is pumped through the mitral valve to the left ventricle. The contraction of the left side of the heart sends the oxygenated blood out of the left ventricle through the aortic arch to the major arteries designated to carry blood to the major parts of the body. From the arteries, blood moves to the capillaries and then to the various tissues of the body before returning back to the heart through the vein.
Thus, the sequence of flow of blood from the pulmonary vein to the body tissues can be summarized as:
Pulmonary vein -> Left atrium -> Arteries -> Capillaries -> tissues
A group of four students is participating in a marble race. Each marble has a different mass and the same force is applied to each marble.
Marble Data
Marble
А
Mass
(9)
30
50
70
Force Applied
(N)
60
60
60
F
H:T:
mxa
B
С
D
90
60
Which marble will experience the least acceleration?
O Marble A
O Marble B
Marble C
Marble D
Answer:
Marble D
Explanation:
According to this question, a group of four students is participating in a marble race. Each marble is said to have different mass but the same force were applied to each of them.
The relationship between the mass, force and acceleration of an object has been explained with the equation: F (force) = mass (m) × acceleration (a).
F = ma
Hence, a = F/m
Based on this, with a constant force, the acceleration is inversely proportional to the mass of an object. This means that when the mass increases, the acceleration decreases and vice versa. Based on the table showing the value for mass and uniform force for each marble, the marble with the highest mass (90) will have the least acceleration (0.66666). This marble is MARBLE D.
How does an organism obtain C6H12O6 and O2 to
undergo respiration?
Answer:
oxygen is given off during photosynthesis as a waste product
Explanation:
this is something that only plants and some algae and bacteria can do. they take sunlight and combined C02 and H20. they create glucose (C6H1206) and oxygen gas (02).
ALL of the following conditions can lead to a dramatic decline in the size of the population for
a given species EXCEPT...
-Pollution
-Eradication of invasive species
-Loss of habitat.
-Overhunting
-Climate change
Answer:
Pollution
Explanation:
Can someone help me on this hw plz
Explanation:
Men are expected to do work that women cannot do. For example going outside and earning money or take decisions that effect the family. These are the thoughts of society and are mostly implemented in households.
Being masculine means that men comparatively have a strong physical ability than women. They can do heavy duty works with ease
Women are expected to sit in the house. According to society women are naive and need to be under the protection of man. Women are expected to be good mothers and obedient wives. They should be able to run the house well.
Being feminine means that women is very delicate and sensitive like a flower. A man has to nourish her and take care of her while the woman will become a beautiful flowers and fill the house with a strong fragrance.
Apart from these men and women are free to do what ever they want because in the 21st century not a lot of these old gender roles are followed. Sometimes the roles get swapped and women work outside just because they want to or because of the economic conditions.
I hope you found this useful
Answer:
men are supposed to be super tough and not cry ( I find that a wife's tale) being masculine means be tough and buff.
women are supposed to clean and cook and be a stay at home mom (also odd)
to be feminine means to be nice cry and happy.
Why do you think eating beef and dairy from cows that are fed corn and soy has such a high environmental impact compared to eating vegetables?
Answer:
because it has more nutriants and helps them get fat more.
Explanation:
read it
Science cells pls help
Answer:
sou brasileira bem não posso ajudar ok
Nonresistant starch is normally completely digested, and then absorbed into the bloodstream through the wall of which digestive organ? (From Gizmo)
Options (Only choose one):
stomach
large intestine
small intestine
esophagus
Explain how a scientist might use a karyotype to study genetic disorders.☜(ﾟヮﾟ☜)
Answer:
90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i lov
90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love
90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say
90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love
90% of people marry there 7th grade love. since u have read this, u will be told good news tonight. if u don't pass this on nine comments your worst week starts now this isn't fake. apparently if u copy and paste this on ten comments in the next ten minutes you will have the best day of your life tomorrow. you will either get kissed or asked out in the next 53 minutes someone will say i love u
Explanation:
3. Explain the role of organisms in the carbon
cycle and oxygen cycle
What organism? If its plants, they give oxygen during the day and carbon dioxide in the night. While animals give carbon dioxide but take oxygen from the air. These carbon dioxide gas and oxygen gas go to the atmosphere and affect the carbon cycle and oxygen cycle.
Here is the cycle if you want to know more
Plants (give out oxygen) -> Animals (Use oxygen) + (given our carbon dioxide) -> plants (take oxygen)
and so on
Answer:
Plants take carbon from the atmosphere in the form of carbon dioxide during photosynthesis. Plants and animals both release carbon dioxide back into the atmosphere through the process of respiration. When organisms die, some of the carbon in their bodies is stored in the soil, which can be reintroduced into the atmosphere through soil respiration.
Explanation:
sample response
what do the arguments for and against the use of stem cells in medical research share?
Answer: Stem cell research can potentially help treat a range of medical problems. It could lead humanity closer to better treatment and possibly cure a number of diseases:
Parkinson’s Disease
Alzheimer’s Disease
Heart Diseases, Stroke and Diabetes (Type 1)
Birth Defects
Spinal Cord Injuries
Replace or Repair Damaged Organs
Reduced Risk of Transplantation (You could possibly get a copy of your own heart in a heart-transplantation in the future
Stem cells may play a major role in cancer
Better treatment of these diseases could also give significant social benefits for individuals and economic gains for society
Cons
"We should not mess with human life."
"Humans should not be trying to play God"
Some argue that stem cell research in the far future can lead to knowledge on how to clone humans. It is hard to say whether this is true, but we have seen devastating consequences of other research-programs, even with good intentions, such as nuclear research.
Stem cells are cells, which have the ability to transform into many different types of cells. The stems cells have the potential to specialize in any type.
The stem cells are extensively used for research, curing diseases, and especially in developing prosthetics. The stems cells provide new cells for the growth and development of the replaced and damaged cells.
The arguments for and against the use of stem cells are:
Arguments for the use of stem cells in medical research are:
1. The stem cells enhance the growth and development of healthy skin tissue.
2. The cells can be used to enhance the production of collagen.
3. The study of stem cells helps in understanding the causes of disease.
Arguments against the use of stem cells in medical research are:
1. The use of stem cells for research harms human life and dignity.
2. People believe that killing blastocysts or stem cells is equal to taking a human life.
3. However, the transplant of stem cells can be rejected by the patient's body, therefore, can cost the life of the patient.
Therefore, the use of stem cells for research can be fruitful or disadvantageous.
To know more about stem cells, refer to the following link:
https://brainly.com/question/11659127
what organelle ships proteins where they are need?
Answer:
The endoplasmic reticulum (ER) is involved in the synthesis of lipids and synthesis and transport of proteins.
The Golgi apparatus modifies, sorts, and packages different substances for secretion out of the cell, or for use within the cell.
Vesicles are also used as chemical reaction chambers.
Explanation:
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The early ancestors of horses showed the presence of digits on their limbs, while modern horses have hooves. What are likely possible reasons for this change?
Answer:
The digets were most likely not needed anymore so as the horses evolved hey gain other traits to help them survive.
Put "Single Trait Genes" in a sentence
Answer:
Mendelian inheritance refers to the inheritance of traits controlled by a single gene with two alleles, one of which may be dominant to the other. Explanation:
Hope this helps
Answer:
Basically inheritance of traits controlled by a single gene with two alleles, one of which may be dominant to the other
Explanation:
Single Genes Autosomal Traits are a example.
If sperm and egg cells have half of the number of chromosomes found in other body cells, how do gametes form?
In the ocean near Antarctica, small crustaceans called krill eat algae and other phytoplankton. Krill are eaten by
many animals in the ocean, including blue whales, penguins, and fish such as herring.
Based on this information, which food web correctly shows the flow of energy in this ecosystem?
Answer: C
Explanation:
The arrows are suppost to be pointing up
The correct food web shows the arrows pointing down; option A.
What is a food web?A food web is an interconnected number of food chains showing how organisms depend on each other for food.
Since the krill depends on algae and phytoplankton for food, the arrows will point down.
And since other organisms like penguin and blue whales depend on the krill for food, the arrows will point down towards the krill.
Therefore, the correct food web is option A.The
Learn more about food web at: https://brainly.com/question/2179
Why do we need sleep? (scientific answer pls)
Answer:
Sleep is an essential function that allows your body and mind to recharge, leaving you refreshed and alert when you wake up.
um so I dont know if this is true bc my dad said it was true but
do blue eyes get sensitive to the bright white snow then brown eyes do?
me my dad and my sister have blue eyes while my mom has brown
Answer:
Yes
Explanation:
They have less pigment to block from UV and Sun rays!
Answer:
yes I believe it is true I have brown eyes tho
which word refers to a substance that repels ( or is repelled ) from water
a - hydrophilic
b- hydrophobic
c- hydraulic
d- neo-hydro
Answer:
B- hydrophobic!
hope this helped you out! i would apreciate brainliest too:)
Explanation:
Help!!! I’m not sure how to answer this worksheet
Answer:
ncisuzlxfbnusJZbcxnuvjszncjx bni
Explanation:
The photo shows a process called mosquito fogging.
What is one purpose of mosquito fogging?
O A To prevent people from getting stek from undercooked meat
Te treat people who have infeetiens caused by Viruses
e. Te eamy waste away from eities so people dont get siek
D. To kill insects that commonly spread diseases to people
Answer:
D. To kill insects that commonly spread diseases to people
Answer:
D. To kill insects that commonly spread diseases to people
Explanation:
Fogging is a technique used for killing insects that involves using a fine pesticide spray (aerosol) which is directed by a blower.
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What evidence supports the law of conservation of energy?
Light energy is converted to chemical energy during photosynthesis.
Oxygen is made from the breakdown of carbon dioxide during photosynthesis.
Energy is absorbed by chlorophyll during photosynthesis.
The sun gives off light energy that is absorbed by plants.
Answer:
Light energy is converted to chemical energy during photosynthesis.
Explanation:
nevermind.............
A femur is a leg bone found in a human skeleton. When evaluating the human body's levels of organization, a femur is best classified as —
A.
an organ, because it is part of the skeletal system.
B.
an organ system, because it is composed of many cells.
C.
an organelle, because it is composed of many tissues.
D.
an organism, because it is part of the skeletal system.
Answer:
Option A
Explanation:
The femur is classified as an organ, because it is part of the skeletal system
The level of organization is the order that includes cells, tissues, organs, organ systems, and organisms. The femur is a leg bone which is an organ which is a part of organ system called the skeletal system.
What is skeletal system?The basic framework of body is skeletal system, which is consists of bones, connective tissue, tendons, ligaments, etc.
The four main parts of this system include:
Bone.Ligament.Tendon.Joint.The femur is a leg bone which is an organ that is a part of an organ system called the skeletal system.
Thus, the correct option is A.
For more details regarding skeletal system, visit:
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#SPJ2
2 differences between
monocotyledondus and dicotyledonas plants
Answer:
1)The monocot embryos have a single cotyledon.
The dicot embryos have a pair of cotyledons.
monocotyledons
2)They have a fibrous root system.
dicotyledonous.
They have a tap root system.
Why are stabilizing proteins neeed to keep the DNA strands separated?
Single-stranded DNA-binding proteins are protected exactly tightly to DNA, but with extremely little carefulness for individual nucleotide sequences.
What is DNA?
They accomplish this by interacting strongly with the DNA backbone, via hydrogen bonds with the ribose and phosphates and complementary control interactions with the phosphates.
When the Proteins of DNA Replication DNA Helicases. These proteins attach to the double-stranded DNA and facilitate the separation of the two strands. DNA single-stranded critical proteins.
Although, These proteins bind to the DNA as a stable tetramer the single-stranded structure is produced by the action of the helicases.
Single-stranded DNA-binding proteins (e.g., [RFA] eukaryotic replication factor A) then stabilize the decompressed template DNA, maintaining it in an extended single-stranded state so that it can be simulated by the polymerase.
Find more information about DNA here:
https://brainly.com/question/8806489
Which explanation best identifies the relationship between mitosis and
reproduction? *
A.Mitosis is a form of sexual reproduction because the daughter cells form from one
single parent cell.
B.Mitosis is a form of sexual reproduction because the daughter cells are genetically
different from the parent cell.
C.Mitosis is a form of asexual reproduction because the daughter cells form a new
nuclear membrane after reproduction.
D.Mitosis is a form of asexual reproduction because the daughter cells are genetically
identical to the parent cell.
Answer:
D.
Explanation:
Mitosis three main functions are growth and repair of cells, and asexual reproduction for the single celled organisms.
The daughter cells have same chromosomes/genetics.
Example: repair and growth of skin, red blood cells etc.
Answer:
It's D
Explanation:
1. Which statement is NOT true?
a. Metals tend to lose electrons and form cations, or positive ions.
b. Nonmetals tend to gain electrons and form anions, or negative ions.
c. Ionic bond is formed between two metals or two nonmetals.
d. Ionic bond is formed between a metal and a nonmetal.
Answer:
c.Ionic bond is formed between two metals or two non metals.
3. What do cells create that help them do their job?
I
Answer:
No entiendo
Explanation:
ok okshdjfjdhdhdjd
identify one organism from each of the six periods of the paleozoic era
Answer:
The Paleozoic is divided into six periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous (in the U.S., this is divided into the Mississippian and Pennsylvanian Periods), and Permian. Most of these names derive from locations where rocks of these ages were first studied.
i hope this was helpful
