Essential nutrients, which the body can't make or can't make in sufficient quantity, include vitamins, minerals, protein, fats, carbohydrates, and water. All of these are vital for growth, development, and maintaining basic bodily functions.
Explanation:Essential nutrients are compounds that the body can't make or can't make in sufficient quantity. They include the following main types:
Vitamins: They are necessary for the normal growth and development of the body. Examples include vitamins A, C, D, E, K, and the B vitamins.Minerals: They are crucial for several body functions, such as building strong bones and teeth, maintaining a regular heartbeat, and producing hormones. Examples include calcium, phosphorus, potassium, sodium, and trace minerals like iron and zinc.Protein: They are the building blocks of life, essential to growth and repair in the body.Fats: They serve many functions, including helping to build cell membranes, and are a source of energy.Carbohydrates: They are the body's main source of energy.Water: It's needed for digestion, absorption, transportation, dissolving nutrients, elimination of waste products, and thermoregulation.Learn more about Essential Nutrients here:
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The correct option is 3.
Essential nutrients include vitamins, minerals, water, certain amino acids, and fatty acids, but not enzymes. Vitamins and minerals are micronutrients. Water, amino acids, and fatty acids are macronutrients.
Explanation:The essential nutrients that the human body requires include vitamins, minerals, water, certain amino acids, and essential fatty acids such as the omega-3 alpha-linolenic acid and the omega-6 linoleic acid. However, enzymes are not considered to be essential nutrients because they are synthesized by the body, rather than obtained from food or drink. Vitamins, which can function as coenzymes, and minerals, which can act as cofactors, are both considered micronutrients, along with some amino acids. Water as well as amino acids, and fatty acids, are macronutrients.
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The complete question is given below:
Essential nutrients include all of the following except:
vitaminsmineralsenzymeswaterThe diagram shows the set-up for an electric door bell. Which best explain why the bell would not ring in this set up? A. The circuit is open. B. The electromagnet has an iron core. C. The circuit is closed. D. The electromagnet is made of steel.
The circuit is open. Thus option A is correct.
What is the definition of an open circuit?An open circuit is one in which the passage of electricity has been disrupted by a break in the path.
You complete an electrical circuit when you press a doorbell button, allowing household electricity to flow through the doorbell's inbuilt electromagnet. The electromagnet's magnetic field is then employed to power a device that produces the doorbell sound.
If that circuit will get open as shown in the image then the bell would not ring in this case.
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Neurons and muscle cells perform different functions. In the body, these cells have the same . The function of muscle cells is , while the function of neurons is to send nerve signals
Answer:
The neurons and muscle cells have the same DNA (genetic material) contained in them. The function of the muscle cells is mechanical (contract) to allow the body to move. The function of the nerves is sending and receiving signals in order to trigger or elicit a response to an event.
Explanation:
Answer:
The correct answer will be-
1. Same- genetic material (DNA)
2. Muscle cell- contraction which helps in locomotion.
3. Neurons- send and receive signals
Explanation:
The cell division produces cells with the same genetic material which differentiates to form different types of cells and attain different functions on the type of genes activated as well location of the cells.
The neuron cell and the muscle are derived from the same cells which differentiated to take the different functions like neurons cells help the organism by transmitting the signals from the CNS to the body organs and from organs to the CNS.
The muscle cell helps the organism by causing contraction and relaxation in the muscle as a result of the signals which leads to the mechanical locomotion of the organisms.
These are specialized cells that can survive in harsh conditions. What are they called?
Answer:
If this is wrong im very sry, but i belive the answer is white blood cells
Explanation:
These are the cells that fight off infections and bactieria that is not sopposed to be in the human body, or any other living creature.
Which of Newton's laws explains why your hands get red when you press them hard against a wall?
O A.
Newton's law of gravity
OB. Newton's first law of motion
OC. Newton's second law of motion
D.
Newton's third law of motion
Answer:
The Newton's law that explains why the hands get red when you press them hard against a wall is Newton's third law.
Answer:
D. Newton's third law of motion
Explanation:
Environmentalists are monitoring an area of tropical forest that is being deforested because of human activities. The graph here shows the scientists predictions based on the data they have collected. How is the ecosystem likely to change as a result? Select the two correct answers.
A) Species extinction - This is because animals will lose their homes and will eventually, slowly die out.
and
D) Reduced oxygen - Trees provide us with oxygen
I hope this helps you. ☺
Answer:
The letters A and D are correct.
Explanation:
As you can see from the chart above, due to the constant deforestation of the tropical forest the number of trees in this region is decreasing every year.
As a result of this deforestation, many species will be extinct. First, it will be possible to extinguish many species of plants, or with a reduced population number. In addition, many animals have plants as their natural habitat, when the plant is cut these animals are left without their habitat, exposed to predators and other problems that can cause their extinction.
We cannot forget that plants are one of the main providers of oxygen in our atmosphere, through photosynthesis. If the plant population decreases, the amount of photosynthesis performed decreases and, as a consequence, the amount of oxygen released into the atmosphere decreases.
what planet has a very hot surface and is most like earth in size
Venus is closest to earth in mass and size. It is also very hot. Lol
Answer:
Venus
Explanation:
Temperature- Venus has a thick atmosphere, which traps heat. It is the hottest planet in our solar system. The surface temperatures can melt sturdy substances, such as lead.
Size- This planet is the closest to Earth's inner structure (with the cores) and also most similar in size.
What is an organism’s niche?
The role that the organism plays in the environment
The term niche, when used in the science of ecological biology, is used to define an organism's role in an ecosystem. Not only does its niche include the environment that a given organism lives in, but it also includes the organism's "job" in that environment.
An organism’s niche is the role an organism plays in a community.
In biology, the ecological niche refers to the function, role and response that an animal or plant species fulfills in a habitat or ecosystem.
The ecological niche of an organism depends on where it lives, what it does (how it transforms energy, behaves, reacts to its physical and biotic environment and transforms it), and how it is influenced by other species.
The role that individuals of a species play in a community is unique in any given ecosystem.When the niche of two species corresponds to similar functional roles in the same ecosystem, the phenomenon called interspecific competition will be triggered.Therefore, we can conclude that an organism’s niche is the role an organism plays in a community.
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Which pattern of evolution is seen in the relationship between algae and coral ?
Answer:
The mutually beneficial relationship between algae and modern corals ... In addition to confirming that symbiosis dates back to the Triassic, the study found that the corals ... Symbiotic corals exhibit banded growth patterns
Answer:
coevolution
Explanation:
plato
Respiration is a process where many chemical bonds inside the body break and release energy. This energy is used to perform various activities suc
as moving muscles. Explain the energy transformation in this process.
Answer:
organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP.
Explanation:
water pollution as a result of fertilizer runoff from farms is harmful because it initially
Answer:
Water pollution as a result of fertilizer runoff from farms is harmful because it initially changes the chemical composition of nearby streams and lakes !
Explanation:
Water pollution as a result of fertilizer runoff from farms is harmful because it initially change the chemical composition and nutrient level of near by water bodies( streams and lakes).
Effect of fertilizer runoffFertilizer increases the level of nitrogen and phosphorous in the waterbodies that can cause eutrophication.
Eutrophication can cause algal boom, reduction of dissolved oxygen content, lowers the penetration of sunlight and affect the fish and aquatic life.
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Which of the following is not a characteristic of anaerobic species?
A. They do not have mitochondria.
B. They make ATP from glucose.
C. They use fermentation to make ATP.
D. They live in oxygen-rich settings.
Answer:D
Explanation:good guess
Answer:
The correct answer is option D.
Explanation:
Organisms or particularly species that survive in the absence of free oxygen are called anaerobes or anaerobic species. Some of the anaerobes grow only in the absence of free oxygen are called strict or obligate anaerobic species.
Anaerobic species only form 2 molecules of ATP for every 1 molecule of glucose, while aerobic cells produce 38.Fermentation metabolism permits these species to survive in some of the most extreme environments.
Thus, the correct answer is option D.
Which part of a flower grows into the fruit?
Answer:
Vernicia fordii
Explanation:
Answer:
The ovary
Explanation:
describe the two types of root systems.compare and contrast
Answer:
Types of Roots : Roots are of two types viz. (a) Tap roots(normal or main) and
(b) Adventitious roots.
(a) TAP ROOT-Here the radicle prolongs directly to form a main primary roots when the primary root becomes stronger and persistent, it forms the tap root e.g. roots of dicotyledonous plants.
Primary root forms tap root, its lateral branches are secondary roots; branches of secondary roots in turn produce tertiary roots and so on. The tap root with its branches forms the tap root system.
Bipedal walking is more energy efficient
A. than knuckle walking.
B. than quadrupedalism.
C. when running.
D. than arboreal locomotion.
Answer:
C. When running that is the answer
Answer:B.quadrupedalism
Explanation:
Studies today proves that bipedal locomotion evolved from quadrupedalism because it was more energy efficient.
In a research conducted by scientists
4 humans and 4 chimpanzees were made to run on a treadmill, the chimpanzees were trained to walk quadrupedally and bipedally on treadmill. When the results came out humans had used only one quarter of the energy the chimpanzees had used while knuckle walking.
1. What process reduces the level of carbon dioxide in the atmosphere.
2. List THREE unpleasant characteristics or qualities of waste.
3. Give TWO ways in which waste can be combatted.
4. Give TWO advantages of plastic.
5. Give TWO disadvantages of plastic.
Answer:
1. Plants and Decomposers
2. Pollution, lead in the air, poisons the soil.
3. Recycle and use more renewable resources
4. Strong and cheap
5. Does not decompose, kills animals
Explanation:
How do biomass and energy flow through an ecosystem?
Answer:
Productivity within an ecosystem can be defined as the percentage of energy entering the ecosystem incorporated into biomass in a particular trophic level. Biomass is the total mass, in a unit area at the time of measurement, of living or previously living organisms within a trophic level.
HOPE THIS HELPED!!!!!!!!!!!XDDD
Directions: Select ALL the correct answers,
Which of the following statements about genes and traits is true?
A single trait can be controlled by multiple genes,
A single gene can control a single trait.
A single trait can alter multiple genes.
A single gene can influence multiple traits,
A single trait can be controlled by multiple genes, and a single gene can control a single trait.
Explanation:A single trait can be controlled by multiple genes. For example, most human traits, such as height, skin color, and weight, are controlled by multiple genes. This is known as polygenic traits. Multiple genes can interact to confer a specific characteristic or feature.
On the other hand, a single gene can control a single trait. For instance, traits like cleft chin or blood type are controlled by a single gene with two or more alleles. In the case of blood type, there are three different alleles that encode ABO blood type.
Therefore, both statements that a single trait can be controlled by multiple genes and that a single gene can control a single trait are true.
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Insects are responsible for the destruction of a significant percentage of potential food harvests every year. Please select the best answer from the choices provided T F
Answer:
T (True)
Explanation:
The insects are very dangerous for the agricultural sector. Each year, the insects manage to cause enormous damage to the crops worldwide, thus causing both financial damage, and shortage of food on the market. In general, the damages done by the insects are in the developing and especially in the less developed countries. The reason for that is that the agriculture in these countries is still done in more primitive way, and the modern day chemicals for protection are either used little, or are totally absent. This leaves the door open for the pests like the insects to feast upon the crops and totally destroy them.
Answer: The answer is true
Explanation: because they destroy them and make them not usable
Why do cells make a copy of their dna
Answer:
During mitosis, a cell divides into two identical cells referred to as daughter cells. In order for both cells to be fully functional and to be able to mature, they each need a complete set of DNA.
Cells needs a copy of their DNA before existing cells divide to produce new cells.
DNA ReplicationCells make a copy of their DNA in other to ensures that each daughter cell gets a copy of the genome, and therefore, ensure successful inheritance of genetic traits.
Every time a cell undergoes mitosis, various enzymes work to split each DNA strand in half, and then replace the missing half on the separated strands with corresponding nucleotides, leaving you with two identical strands.
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Which of the following describes the muscles?
A group of sensory organs.
A system made of bundles of long fibers.
Hard structures connected by cartilage.
Spongy material connected by bones.
A system made of bundles of long fibers
Keystone species are species that play a critical role in balancing an ecosystem. A classic keystone species is the gray wolf, which preys on large herbivores such as deer. The gray wolf was hunted nearly to extinction because it also killed farmers’ livestock. How would the local ecosystem by affected by removing the gray wolf?
Answer:
The population of herbivores would likely increase.
Explanation:
The keystone species - Gray Wolf - are especially useful because they essentially regulate the population of herbivores - like deer - they are a good predator to have to maintain a healthy ecosystem. Without them, the herbivore population would likely continue to grow and this would mean that greenery and the food that the deer eat ( as well as other animals ) would slowly be pushed to lower numbers. This would likely have an effect on the landscape in the area too.
Removing a keystone species like the gray wolf from an ecosystem causes significant imbalances, leading to overpopulation of herbivores, overgrazing, reduced vegetation, and a decrease in biodiversity. These changes can trigger a trophic cascade and potentially collapse ecosystem functioning. Reintroduction of such species can help restore ecological balance.
Impact of Removing a Keystone Species
As predators, gray wolves manage the populations of large herbivores, keeping the ecosystem in balance. Without wolves, populations of animals like deer may increase unchecked, leading to overgrazing. This excessive herbivory can reduce vegetation, particularly in riparian areas, which are crucial for biodiversity. The decline in plant life can lead to soil erosion and degradation of water quality, further impacting other species within the ecosystem. Keystone species also indirectly influence other animals in the ecosystem. For example, by controlling coyote populations, wolves allow smaller prey species which coyotes feed upon to thrive, and by reducing elk populations, they facilitate the re-vegetation of riparian habitats, encouraging the diversity of species in those areas. If a keystone species is removed, this can cause a trophic cascade, a domino effect where the absence of the top predator disrupts the entire food web. Over time, this can lead to a collapse in ecosystem diversity and functioning. Conversely, reintroduction of keystone species has been observed to have positive effects on the biodiversity and ecological balance within their environments, as shown in the Yellowstone wolf reintroduction project.
Lightning strikes a tree and stars a forest fire. This is an example of the affecting the .
Lightning strikes a tree and stars a forest fire.This a is an example of the 'atmosphere' affecting the 'lithosphere'.
Answer:
atmosphere affecting the lithosphere
Explanation:
Mendel’s pea plants had either purple or white flowers. This means that the plants
The plants were expressing recessive or dominant traits through their flower colours
Answer:
The answer is that the plants have two alleles of the gene responsible for the color of flowers.
Explanation:
A gene is a part or section of a chromosome that has the genetic information or the code for a particular protein like flower color. Genes may have two or more forms of the particular gene, these forms are called alleles.
There are two alternative forms of the gene for flower color in the case of Mendel's pea plant. The presence of two alternative or distinct forms displays that there must be two alleles of the gene.
Thus, the correct answer that the plants have two alleles of the gene responsible for the color of flowers.
Earth’s ozone layer _____.
exists only over Antarctica
has been thickening over the past several years
traps carbon dioxide in the stratosphere
filters harmful ultraviolet radiation from the sun
Earth’s ozone layer filters harmful ultraviolet radiation from the sun.
An organism that has an unusually large effect on an ecosystem is called
Answer:
biodiversity
variety of life within the area, keystone species is an organism that has a large effect on its ecosystem
Explanation:
An Organism that has an unusually large effect on an ecosystem is called a keystone species.
A keystone species helps in defining an entire ecosystem.
Keystone species have an unusually large effect on an ecosystem. It maintains the local biodiversity of an ecosystem. It influences other species in its habitat. It is an Organism that holds the entire system together. It has low functional redundancy. One of the best examples of keystone species is the sea otters.
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where is having brightly colored feathers that attract mates most clearly an adaptation for a bird
Answer:
My guess would have to be.. somewhere where the bright colors will stand out (hope this helps)
Explanation:
Which statement is the best summary of the model?
Chloroplast
Intermembrane
Space
Inner Membrane
Outer Membrane
- Light
Dependent
Reactions
Calvin
Cycle
Granum
(Stack of Thylakoids)
Thylakoid
Stroma
(Fluid)
The statement which is the best summary of the model is "Light energy is converted into stored chemical energy in plants". Thus, the correct option will be D.
What is Photosynthesis?Photosynthesis is the process of energy transformation which includes the conversion of light energy (solar energy) into chemical energy. Chemical energy is the energy which is present in the chemical bonds present in the carbohydrate (glucose) molecules.
The process of photosynthesis takes place in the chloroplast of the cell. The solar energy is trapped in the chloroplast of plant cell. Photosynthetic active radiation is the light wavelengths which are absorbed by the plant cells to produce glucose molecules.
The statement which best describes the summary of the model is "Light energy is converted into stored chemical energy in plants".
Therefore, the correct option will be D.
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Your question is incomplete, most probably the complete question is:
Which statement is the best summary of the model?Chloroplast
Outer Membrane
Intermembrane
A Space
Granum
(Stack of Thylakoids)
O
Thylakoid
B
CEN
D
Light
Dependent
Reactions
C
F
Calvin
Cycle
G
Inner Membrane
Stroma
(Fluid)
OA. The sun's energy moves through trophic levels in a food chain.
B. Food molecules are broken down in the cells of living things.
C. A series of aerobic and anaerobic reactions take place in cells
D. Light energy is converted into stored chemical energy in plants
Which of these indicates equilibrium in the community? A. seral B. pioneer C. ultimate D. intermediate E. climax
Answer:
E. climax
Explanation:
The point of equilibrium in a community is not something that happens very often in nature, in fact it is relatively rare, but there are several examples that have shown how this works. When an equilibrium is reached in a community, it is basically a community consisted of dominant, prominent, small number of species that manage to create a stable community. The state of equilibrium is also known as a climax community. This type of community appears when there's a situation in which the web of biotic interactions between the organisms becomes so intricate that there's simply no way that another organisms can be admitted into the community.
When your eyes feel tired from looking at close objects, it helps to look at distant objects for a few minutes. Why do you think this helps?
Answer:
When we look at close object, it utilizes energy for muscle contraction and some relation due to which eyes feel tired (muscle contraction helps the aye to focus various objects according to the distance). After that when we look at distant objects they seem to be clear because in doing so our muscles get relaxed that's why the objects at distant appears clear for a while.
do birds and insects share any structural similarities that would suggest they are closely related?
y/n and why?
Answer:
yes, bird have wings, and so do insects, as well as some birds communicate with each other, as do some insects, and although this may not be similar to each other, they are very interesting, that the birds feathers are actually heavier than there feathers, because their bones are hollow, and insects have an exoskeleton, so basically, they both have interesting bone features
Explanation:
Although birds and insects share some structural similarities like exoskeletons and compound eyes, these similarities are more often seen as examples of convergent evolution rather than proof of close relatedness.
Explanation:Yes, birds and insects do share some structural similarities, but this does not necessarily suggest they are closely related. They both have exoskeletons, although insects have a hard protective covering all over their bodies, while birds just have it on their wings (feathers). Additionally, both groups have compound eyes and they both have wings for flight, though they function and are structured differently. Birds have wings are developed as limbs with bones and muscles covered by feathers, whereas insects have their wings as an extension of their exoskeleton. These similarities are more often seen as examples of convergent evolution, where different species independently evolve similar traits, rather than evidence of close relatedness.
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