Squirrel
Rock
Grass
Bird
Trash / Trash Can
Sunlight
Water
Tree
A Sign
Car
Fallen Leaf
House
Shrub / Bush
Flower
Soil
- CLASSIFY THESE ITEMS BELOW IF THEY ARE abiotic or biotic
explain the removal from plants on a food web changes the biodiversity in the ecosystem
Answer:
If one species in the food web ceases to exist, one or more members in the rest of the chain could cease to exist too. A plant or animal doesn't even have to become extinct to affect one of its predators.
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Galactosemia is an inherited genetic condition. Children with this condition cannot break down the sugar galactose, which is part of lactose. Based on the pedigree chart, is this condition a dominant or a recessive disorder? Explain your reasoning.
Answer: it is recessive.
Explanation:
Both parents are heterozygous for the trait but they do not exhibit the disease themselves if it were a dominant gene both parents would have the disease if they carried the gene for it.
Which of the following is composed of more dense tissue?
Select one:
O a. Epidermis
O b. Hypodermis
c. Dermis
Why doesn't your body swell if you drink a lot of water ?
Answer:
Drinking too much water can result in a condition called ... When the body can't rid itself of excess water, cells swell to ... You may also feel nauseous if your body's water-to-sodium ratio is out of ... “Fluid doesn't just come from water, but from any beverage you drink, as well as many foods,” Every part of your body needs water to function. When you are healthy, your body is able to balance the amount of water that enters or leaves your body. A fluid imbalance may occur when you lose more water or fluid than your body can take in. It can also occur when you take in more water or fluid than your body is able to get rid of. Causes Your body is constantly losing water through breathing, sweating, and urinating. If you do not take in enough fluids or water, you become dehydrated. Your body may also have a hard time getting rid of fluids. As a result, excess fluid builds up in the body. This is called fluid overload (volume overload). This can lead to edema (excess fluid in the skin and tissues). Many medical problems can cause fluid imbalance: After surgery, the body usually retains large amounts of fluid for several days, causing swelling of the body. In heart failure, fluid collects in the lungs, liver, blood vessels, and body tissues because the heart does a poor job of pumping it to the kidneys. When the kidneys do not work well because of long-term (chronic) kidney disease, the body cannot get rid of unneeded fluids. The body may lose too much fluid due to diarrhea, vomiting, severe blood loss, or high fever. Lack of a hormone called antidiuretic hormone (ADH) can cause the kidneys to get rid of too much fluid. This results in extreme thirst and dehydration. Often, a high or low level of sodium or potassium is present as well. Medicines can also affect fluid balance. The most common are water pills (diuretics) to treat blood pressure, heart failure, liver disease, or kidney disease.
is a vacuole found in a plant or animal cell
Which combination of atoms will form a molecule but not a compound?
Answer:
Any element
Explanation:
for example, oxygen is combination of atoms but not a compound, it is an element
Assessment started: undefined.
Item 1
Which statement best describes the role of DNA?
It provides a form of energy for cells.
It speeds up chemical reactions inside of cells.
It directly forms proteins.
It transmits genetic information to the next generation.
Answer:
It transmits genetic information to the next generation.
Explanation:
It provides a form of energy for cells. - this is false. DNA does not provide energy. It is the genetic material of the cell
It speeds up chemical reactions inside of cells. - this is false, this vis the role of enzymes when DNA is not
It directly forms proteins. - this is false. DNA does not directly form proteins. It forms proteins via an intermediate molecule, mRNA
It transmits genetic information to the next generation. - this is true. DNA is passed on during cell division to the daughter cells
Which statement is not part of the cell thoory?
A All living organisms are composed of one or
more cells.
B Cells como only froin oxisting cells.
C All colls have a nucleus.
D Cells are the basic units of structure and
function in an organism.
Answer:
c
Explanation:
all cells do not have an nucleus
Viruses reproduce by..... * O sexual reproduction binary fission O asexual reproduction O entering a host cell and making copies of itself
Answer: entering a host cell and making copies of itself
Viruses reproduce by infecting a host cell, and making it produce copies of a virus instead of antibodies. This is how viruses double in your body.
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What are factors that affect the state of matter
Answer:
If you consider the particles of each state of matter, it becomes evident that pressure and temperature are the major factors that affect the transitions of matter.
Temperature can cause molecules to move slower or faster.
Pressure can cause molecules to become more or less packed together.
Explanation:
Answer:
Temperature, it can cause molecules to move slower or faster.
Pressure, can cause molecules to become more or less packed together.
When a mouse eats grass only 10% of the energy from the plant is transferred to the mouse what happens to the other 90%
what are the differences between sexual and asexual reproduction?
Answer:
Explanation:
DIFFERENCES
SEXUAL REPRODUCTION Sexual Reproduction is a type of reproduction in which one or two organisms or individuals are involved. Fusion of gametes occurs and the offspring’s have different characters. There are sexual organs for both male and female and the organs of both male and female come into contact at the time of reproduction.
ASEXUAL REPRODUCTION Asexual Reproduction is a type of reproduction in which only one organism is involved. There will be no fusion of gametes and The offspring will exactly resemble the parent. There are various kinds of asexual reproduction and some of them are binary fission, budding, fragmentation, parthenogenesis, sports, etc.
Explanation:
asexual
without sexual feelings or associations.
Sexual
acctual feelings or associations.
so then u figure it out from there
why are lions smaller than elephants
Answer: Lions are smaller so they can get their pray with out being seen.
Explanation: Elephants are large, and because of this they are slow. So, if a lion was as big as a lion, their pray would see them and they could not catch it and they would go hungry.
What is the difference between a density-dependent and density-independent limiting factor?
Carbon is transferred from the atmosphere
to organisms through
A. Photosynthesis
B. Precipitation
C. Biogenesis
Answer: A. Photosynthesis
Carbon is absorbed from the air, and sunlight is also absorbed, so that the plant makes energy. More technically, the molecules from the carbon dioxide (CO2) combine with the water molecules (H2O) to form sugars for the plants. The plants then release oxygen for other animals and humans to breathe. When the plants are eaten by heterotrophs, the sugars the plants made are transferred to the animal that consumed the plant.
which is supported and sustained by planet
Answer:
Answer
Explanation:
Understanding planetary habitability is partly an extrapolation of the conditions on Earth, as this is the only planet known to support life.
what is h is making
Answer: NONE YU
Explanation:
Research two examples of diffusion occurring in the human body. Be prepared to explain why they represent diffusion, what substances are involved, and how it benefits the body.
Answer:
Diffusion occurs in gaseous exchange of plants and animals
Diffusion occurs in the absorption of digested food through the villi of small intestine
Explanation:
This happens as a result of exchanging gases i.e carbondioxide and oxygen between animals and plants in respiration
and also digested food through the villi of small intestine to the stomach
Oxygen diffusion in the lungs and Carbon dioxide diffusion from the blood to the air in the lungs are examples of diffusion occurring in the human body.
What are benefits of diffusion to body?Oxygen diffusion in the lungs: Oxygen diffusion is a process that occurs in the human body when oxygen molecules move from an area of high concentration (in this case, the air in the lungs) to an area of low concentration (in the blood). This process occurs across the thin walls of the alveoli in the lungs, and it is facilitated by the presence of tiny blood vessels called capillaries. Oxygen diffuses from the air in the lungs into the blood in the capillaries, where it is carried to the rest of the body to be used for energy production. Oxygen diffusion is important for the body because it provides the oxygen that is needed for cellular respiration, which is the process by which cells produce energy.Learn more about diffusion, here:
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What is (4c8m-7n)+6(3n-4n)
‼️‼️❗️Eukaryotic cells have DNA in the nucleus while prokaryotic cells have DNA in the cytoplasm. true or false ?
Answer:
verdadero
Explanation:
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The percentage of energy in one trophic level that transfers to the next level in the average ecosystem is 10 percent. Trophic levels are the feeding positions of all organisms that are located in a certain ecosystem. Trophic levels describe what different organisms consume. As energy is transferred from one trophic level to another in an ecosystem, it decreases. Only a small amount of the energy (as little as 10 percent) at any trophic level is moved to the next trophic level. The remaining energy is lost mainly as heat through metabolic processes.
Answer:
See explanation
Explanation:
According to the second law of thermodynamics, energy transfer from one trophic level to another is not 100% efficient. Some energy is lost along the way from one trophic level to another.
The reason for this loss in energy is that the organisms at each trophic level harnesses the energy that they derive from complex organic matter to carry out their own metabolic processes.
Hence, only about 10% of the energy originally derived from complex food materials is passed on to the next trophic level.
Summarily, only about 10 percent of energy derived from food and stored in biomass in a particular trophic level is passed from one level to the next. This is commonly referred to as “the 10 percent rule”. This rule limits the number of trophic levels that can be supported by a given ecosystem.
Answer:
10 percent
Explanation:
Select the Two characteristics that these proteins have in common.
A( They contain nitrogen
B( They are made of disaccharides.
C. They are Composed of amino acids.
D( They form by using fatty acids and glycerin.
E( They Contain a base, sugar and a phosphate group.
Answer:
C, D
Explanation:
The common property of all proteins is that they consist of long chains of α-amino (alpha amino) acids. The general structure of α-amino acids is shown in . The α-amino acids are so called because the α-carbon atom in the molecule carries an amino group (―NH2); the α-carbon atom also carries a carboxyl group (―COOH).
Which of the following macromolecules are a prominent part of animal connective
tissue such as cartilage and keratin?
A.carbohydrates
B.lipids
C.proteins
D. Nucleic acids
The correct option is C: Proteins
Proteins are essential for all living organisms as it carried out important function.
Proteins help in repairing all living organisms organs and as well as the tissues and cells.
Proteins help to protect the body against bacteria and viruses which is why they are said to be important macromolecules that are part of animal connective tissue.
Example of macromolecules is proteins.
Inconclusion The correct option is C: Proteins
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what are two characteristics of enzymes?
Answer:
Some characteristics of enzymes are as follows:
Enzymes are highly specific for a particular substrate. ...
Enzymes remain unchanged during the reaction itself. ...
Enzymes are very efficient, catalyzing about 1-10,000 molecules of substrate per second. ...
Explanation:
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How do cells get rid of the largest waste materials?
A. by diffusion
B. by transport proteins
C. by osmosis
D. by exocytosis
Answer:
Cells use both diffusion and osmosis to get rid of their wastes. Cells can bias the movement of waste molecules out of and away from themselves. One way is to temporarily convert the waste product into a different molecule that will not diffuse backwards.
Explanation:
Answer:
A. By diffusion
Explanation:
Cells use both diffusion and osmosis to get rid of their wastes. Cells can bias the movement of waste molecules out of and away from themselves. One way is to temporarily convert the waste product into a different molecule that will not diffuse backwards.
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HELP ME PLEASE! List the steps scientists for using technology to find the half-life of an isotope.
For radioactive materials with short half-lives, you use a very sensitive calibrated detector to measure how many counts per second it is producing. Then using the exact same set up you do the same at a latter time. You use the two readings and the time between them to determine the half-life. You don’t have to wait exactly a half-life, you can do the math with any significant time difference. Also, you don’t need to know the absolute radioactivity, as long as the set up is the same you only need to know fraction by which it changed.
For radioactive materials with long half-lives that won’t work. Instead you approach the problem differently. You precisely measure the mass of a very pure sample of the radioactive material. You can use that to calculate the number of atoms in the sample. Then you put the sample in a counter that is calibrated to determine the absolute number of disintegrations happening in a given time. Now you know how many of them are disintegrating every second. You use the following equations:
Decays per Second = (Number of Atoms) x (Decay Constant)
Half-life = (Natural Log of 2) / (Decay Constant)
And you can calculate the half-life
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The planting of trees is detrimental to soil because it drains the soil of nutrients.
Answer:
False.
Explanation:
Trees put nutrients back into the soil after some time through the decomposition of leaves, roots, and flowers that the tree produces.
Genetic engineering is the scientific process of changing the genome of an organism for specific purposes. Which genetically engineered food crop would have the greatest positive impact on the health of people in developing nations? rice that resists drought tomatoes that will ripen slowly cotton that is resistant to insect pests carrots that can be grown in cool temperatures
Answer: rice that resists drought
Explanation:
The genetic engineering is a process of developing healthy plants and crops. This enable the production of disease free, drought tolerant, and high yielding crops. Also, the crops can be grown in different seasons.
The genome of the plant is manipulated with that of the other plant or animal to develop desired characteristics in plants.
The rice that resists drought is the correct option. This is because the rice is the basic staple crop. It is consumed by people all over the world. It is consumed on the daily basis. The rice crops grow in the standing water, in the absence of appreciable amount of water rice may not grow. Thus, attaining resistance to drought in rice plants, will have a greatest positive impact on the health of the people of the developing nations. As more production of rice will enable people to obtain daily food.
What would I be calculating by counting all the individuals of a population?