Answer:
A small bean-shaped structure that is part of the body's immune system. Lymph nodes filter substances that travel through the lymphatic fluid, and they contain lymphocytes that help the body fight infection and disease.
Explanation:
Answer:
Lymph node, any of the small, bean-shaped masses of lymphoid tissue enclosed by a capsule of connective tissue that occur in association with the lymphatic vessels. As part of the lymphatic system, lymph nodes serve as filters for the blood, providing specialized tissues where foreign antigens can be trapped and exposed to cells of the immune system for destruction. They are typically found concentrated near junctions of the major lymphatic vessels, most prominently in the neck, groin, and armpits.
Explanation:
which example is a way that intercellular communication occurs?
A. A signal is sent down an exon within a nerve cell.
B. A molecule is sent through the plasmodesmata of a plant cell.
C. A signal is translated into action for a muscle cell to contract.
D. A molecule is transmitted from one part of a cell to another to cause a response.
Answer:
I believe the answer is A
Explanation:
Intercellular Communication is the transfer of information from one cell to another. Cells signal each other by direct contact with each other or by the release of a substance from one cell that is taken up by another cell.
Hope this helps! Brainliest please!
Saffron
Answer:
A molecule is sent through the plasmodesmata of a plant cell.
Explanation:
hope this helps :)
In the human body, is every organ a part of only one organ system? Or are some organs a part of two or more organ systems?a.Every organ is a part of only one organ system, which is necessary because organ systems work independently of one another.b.Every organ is a part of only one organ system, although organ systems often interact with one another.c.Some organs are a part of two or more organ systems. For example, the heart is a part of the circulatory and digestive systems.d.Some organs are a part of two or more organ systems. For example, the ovaries and testes are a part of the reproductive and endocrine systems.
Answer:
so your answer is D
Explanation:
An organ can be part of more than one organ system. For example, the ovaries produce hormones, which makes them a part of the endocrine system; the ovaries also make eggs, which makes them a part of the reproductive system as well.
hopet his helped! :D
Some organs are a part of two or more organ systems. For example, the heart is a part of both the circulatory and the nervous systems, while the stomach is a part of both the digestive and the endocrine systems.
What is an organ system?An organ system refers to a group of organs working together to perform a specific function or set of functions in the body. Each organ within a system has a unique structure and function that contributes to the overall purpose of the system.
For example, the respiratory system includes the lungs, trachea, bronchi, and alveoli, which work together to take in oxygen and release carbon dioxide. Other examples of organ systems include the digestive system, nervous system, cardiovascular system, and skeletal system. The efficient functioning of organ systems is crucial for maintaining overall health and well-being in the body.
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What is the term for traits evolved by organisms to help them survive more easily in their climate and biome
The term you are referring to is "adaptive traits" or "adaptive characteristics." Adaptive traits are specific features or characteristics that have evolved in organisms over time to help them better survive and thrive in their particular climate and biome.
These traits are the result of natural selection, a fundamental mechanism of evolution, where individuals with advantageous traits have a higher chance of surviving and reproducing, passing these traits on to their offspring.
Adaptive traits can take various forms, such as physical adaptations (e.g., camouflage, insulation, or specialized appendages for feeding), physiological adaptations (e.g., efficient temperature regulation mechanisms), or behavioral adaptations (e.g., migration patterns or foraging strategies). The key to their success is their compatibility with the specific environmental conditions of a given biome, enabling organisms to exploit available resources and cope with challenges, like extreme temperatures, food scarcity, or predation.
Ultimately, adaptive traits play a crucial role in shaping the diversity of life on Earth and are essential for an organism's survival and reproduction within its specific habitat.
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What do antlions have to catch their prey
Answer: The antlion constructs its pit by alternately digging and "flicking" grains of sand from the pit. ... Once the pit is constructed, the antlion partially buries itself at the bottom of the pit and awaits its prey.
Name one type or group of plants that have vascular tissue.
A.ferns
B.mosses
the correct ans isA(ferns)
Answer:
Ferns
Explanation:
!00 pointsssss!!!!
See the attachmenttt and answer!!!
the answer is A. hope i was a help to you
PLEASE HELP
Which term describes viruses?
A: sterile
B: ginormous
C: minuscule
D: harmless
Answer: i would say minuscule
Explanation:
list the usefulness of intracellular digestion by lysosomes
Answer:
list the usefulness of intracellular digestion by lysosomes?
intracellular digestion by lysosomes helps to digest food particle through phagocytosis and with the help of an enzyme in the cytoplasm
Explanation:
Prior to the industrial revolution in England the peppered moth had light
coloration and lived on trees covered with light colored lichen. This
provided camouflage against predatory birds. There were a few dark
individuals in the population, but they were usually eaten by birds.
However, once the industrial revolution began the light-colored lichens
covering the trees were killed by sulfur dioxide emissions from the new
factories. Without the light background of the trees, the light moths were
more visible to birds and now the dark moths had a camouflage advantage.
in 1848. the dark moths comprised 1% of the population and by 1959 they
represented -90% of the population. What type of selection does this
demonstrate?
Directional Selection
Stabilizing Selection
Disruptive Selection
Final answer:
The change in the population of peppered moths from primarily light-colored to predominantly dark-colored during the industrial revolution demonstrates directional selection, where a shift occurs towards a phenotype that provides a survival advantage in changing environments.
Explanation:
The phenomenon described with the population of peppered moths (Biston betularia) during the industrial revolution is an example of directional selection. As the industrial revolution caused the death of the light-colored lichens on trees, darker moths had a survival advantage because their coloration provided better camouflage against a sooty environment. Overtime, the percentage of dark moths increased dramatically from 1% to 90%, indicating a shift in the population's phenotype towards those better suited for their environment. This change in the color of the moth population from light to dark constitutes directional selection, where one extreme phenotype is favored over others causing a shift in the population's genetic variation over time.
Which of the following personal health practices should a person follow to prevent heart diseases?
Use sunscreen frequently while staying outdoors.
Wash hands frequently to maintain proper hygiene.
Get the DNA modified to replace the faulty gene.
Include ample fruits, vegetables, and fiber in the diet.
Answer:
The last one
Explanation:
1. it helps reduse salt in blood
2. It helps blood flow
so the last on is right
Answer:
D. Include ample fruits, vegetables, and fiber in the diet.
Explanation:
This will help prevent heart diseases bc you are getting nutrients and also its the answer that makes the most sense lol.
hope this helped!
which of these is a critical violation?
Answer:
A,B,E
Explanation: I honestly think its easy, but it is dirty, so its not d,c it dirty.
A critical violation refers to a major breach of norms or laws, such as crimes involving property damage, theft, or driving over the blood alcohol limit. However, not all violations are inherently negative, with some serving important social causes.
The term critical violation is often used in settings related to social norms and law. In the context of your question, a critical violation can be perceived as a significant breach of norms or laws.
For instance, it can pertain to crimes that involve destruction or theft of property without the use of force or threat, or behaviours that cross notable legal boundaries such as driving with a blood alcohol percentage over the state's limit, which is officially a crime.
It's important to clarify, though, that not all acts of deviance or norm-violation are inherently negative, such as certain civil rights actions that deliberately broke laws during the 1960s to push for racial equality.
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The law of segregation is the law which states that two factors controlling a characteristic separate and go to different
gametes.
TRUE
FALSE
Answer:
true
Explanation:
Answer:
Truw
Explanation:
A bird species enter the environment, but we do not know which berry color it prefers. Is the bush population more likely to survive if it has many berry colors or just one berry color?
Answer:
I would say many
Explanation:
Think about it. If there is one kind of berry, that is their only choice, when there are many colors, they have to choose, perhaps they will just choose something else since the colors are more appealing, or because they do not have as many since they are different colors
I really hope this helps u
Pls give a brainliest and a thx ;)
When bird species enter the population, they prefer berry color thus, the bush population survives with many berry colors.
Adaptation of berry colorA species of bird living in a tropical ecosystem survives by eating fruit. The climate of this location changes very quickly, and the ecosystem becomes too cold for fruits trees to survive. If the bird species cannot adapt to eat different sources of food, this species of bird will most likely eat many berry colors to survive. Berries are so important to birds.
Thus, the berry color is preferred by the birds to survive.
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typhus is:
A) treated with antibiotics
B) can be prevented with a vaccine
C) is most common during the spring and summer
D) all of the above
Answer:
A) treated with antibiotics
Explanation:
typhus is a bacterial disease, there is currently no available vaccine so that eliminates all but A.
Which hemisphere controls non-verbal processing including spatial, musical, and visual tasks?
Answer:
The left hemisphere controls verbal processing, including reading, writing, and speech. The right hemisphere controls nonverbal processing, including spatial, musical, and visual tasks. The frontal lobe is responsible for speaking, muscle movements, and making plans and judgments.
Explanation:
is the crus at a mid ocean ridge young or old?
Answer:
young
Explanation:
Most crust in the ocean basins is less than 200 million years old, which is much younger than the 4.54 billion year age of the Earth. This fact reflects the process of lithosphere recycling into the Earth's mantle during subduction.
Answer: Young
Explanation: Most crust in the ocean basins is less than 200 million years old, which is much younger than the 4.54 billion year age of the Earth.
A longitudinal wave causes its medium to move in what direction?
Answer:
It causes the medium to move parallel.
Explanation:
In an ecosystem, organisms compete for different resources. Intraspecific competition occurs when there’s competition for resources between members of the same species. What do you think the word interspecific refers to? Give an example with your explanation.
Answer:
Interspecific competition refers to competition between members of different species. For example, several species of flowering plants compete to attract pollinating insects, such as bees, for successful reproduction.
Explanation:
answer from Plato
The ecosystem is defined as the geographic region, in which plants, animals, and other organisms work together to live and survive.
In an ecosystem, intraspecific and interspecific competition is seen for food, shelter, and habitat.
Intraspecific competition is defined as the competition between organisms belonging to the same species. The organism fight for shelter and food.
Interspecific competition is defined as the rivalry or competition in organisms of different species living in the same ecosystem.
For example, the competition between woodpeckers and squirrels is a type of interspecific competition. Both the organisms fight for shelter and create holes in the trees.
Thus, intraspecific refer to the rivalry among organisms of the same species, whereas the competition between the organisms of different species in an ecosystem is interspecific.
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Smallpox is a virus that causes a rash that then turns into painful blisters. The last known case of smallpox was in 1977. What is
the best explanation for the eradication of smallpox?
People are exercising more than they used to.
Genetic testing determines who is more prone to smallpox.
There was an increase in antibacterial products.
An effective vaccine was developed.
Save and Exit
Submit
Mark this and retum
Smallpox is a virus that causes a rash that then turns into painful blisters. The last known case of smallpox was in 1977. smallpox was eradicated when a vaccine was developed against it.
What is smallpox?The variola virus (smallpox virus) first appeared thousands of years ago and began causing illness and death in human communities, with smallpox epidemics occurring on a regular basis.
How was smallpox eradicated by the vaccine?The first successful vaccination was Edward Jenner's smallpox vaccine, which was launched in 1796. He discovered that milkmaids who had previously contracted cowpox were immune to smallpox, and that injected vaccinia protected against inoculated variola virus.Jenner scratched fluid from a cowpox blister into the skin of an eight-year-old boy named James Phipps. James had a single blister on the location, but he recovered quickly. Jenner inoculated the boy with smallpox particles again on July 1, but no sickness developed. The vaccine was effective.learn more about Smallpox here:
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The best explanation for smallpox eradication is the development of an effective vaccine, not increased exercise, genetic testing, or antibacterial products.
The smallpox vaccine, created by Edward Jenner in the late 18th century, was a groundbreaking medical advancement that played a pivotal role in eliminating the disease.
Unlike the other options provided, the success in combatting smallpox was not due to increased exercise, genetic testing, or an uptick in antibacterial products.
Exercise, while beneficial for overall health, is not a direct factor in smallpox eradication.
Genetic testing, though crucial for understanding susceptibility to certain diseases, wasn't the primary strategy for smallpox control.
Similarly, an increase in antibacterial products doesn't address the viral nature of smallpox.
The global smallpox eradication campaign, led by the World Health Organization (WHO), involved mass vaccination efforts and targeted interventions.
The vaccine's efficacy led to the interruption of transmission chains, ultimately resulting in the last known case in 1977.
The comprehensive vaccination strategy and international collaboration demonstrate the significant impact a well-developed vaccine can have in eradicating a deadly infectious disease, marking smallpox as the first human disease to be eradicated through intentional efforts.
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While exploring in Mexico, a scientist found a strange organism in an extremely salty underground water source. The organism does not have a nucleus, but does have a cell wall and cell membrane. After testing the cell wall, he found it to contain protein and glycoprotein. In which domain does this organism belong?
Group of answer choices
This organism belongs to the domain in this case - Archaea
ArchaeaArchaea is the domain of organisms that are called prokaryotic organisms, however, they are different from bacteria in many ways. These lack nucleus and are found in extreme conditions.
These organisms have a cell wall around the cell membrane and the basic component of the surface (S)-layer surrounding the cell are glycoproteins.
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Brainstorm how you could use recombinant DNA technology to make normal E. coli bacterial cells glow green.
Answer:
In order to make E. coli bacterial cells glow green, we need to insert a gene that can be translated into the green fluorescent protein. This gene is well-known as gfp and can be inserted either in the DNA or plasmid of the bacteria. The genome insertion procedure would follow the conventional method where the DNA will be first cut using restriction enzymes and then would be ligated. This approach has been extensively applied to test the fate of bacteria in the environmental systems.
A schematic diagram on insertion of gfp in the plasmid of bacteria is shown in the figure. The left side diagram shows that gfp is inserted and right side figure shows glowing bacteria in the presence of UV.
The usage of recombinant DNA technology to make normal E. coli bacterial cells glow green should be explained below.
Usage of recombinant DNA technology:For making the E. coli bacterial cells glow green, here we required to insert the gene that should be translated into the green fluorescent protein. This gene should be called as the GFP also could be inserted either in the form of DNA or bacteria plasmid.
The insertion procedure should followed the conventional method in which the DNA should be fist cut via usage the restriction enzymes.
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Which of these is an example of replenishment of a renewable resource?
O
A. Clay is made into pottery.
O
B. Pennies are made from copper.
O. C. Fossil fuels are burned.
O
D. Trees grow back after a forest fire.
SUBMIT
Answer: D. trees grow back after a forest fire.
Explanation:the burned trees give the soil nutrients that the trees need to grow
Final answer:
The replenishment of a renewable resource is exemplified by trees growing back after a forest fire (option D). This natural regenerative process ensures that forests can recover and continue to provide resources over time.
Explanation:
An example of replenishment of a renewable resource is the growth of trees after they have been harvested or affected by a natural event such as a forest fire. Trees are part of Earth's renewable resources because they can regenerate and grow back, given the right conditions and time. This process is a natural one, where the forest ecosystem recovers over time, and new trees replace those that were lost. This aligns with option D: Trees grow back after a forest fire.
Based on Bill Nye's video on Biodiversity, Help plz!!!
1. All environments on Earth are crowded with ___________________________
2. Healthy ecosystems contain both ______________ and _____-________________ parts.
3. Describe what Bill Nye was trying to demonstrate by removing some of the blocks in his tower of blocks.
4. What does the expression “You pick a flower without jiggling a star” say about ecosystems?
5. In “Consider the Following,” Bill Nye makes a special request to not spread out our development projects. WHY?
6. Name at least two (2) species that have gone extinct.
7. The “best way to wipe out a species” is to change its ______________________
8. The largest ecosystem in the world iis ___________________, where (how many) ____________ of all species live.
9. Name five (5) things you can do to guarantee biodiversity.
10. Of the 30,000,000 speices on Earth, how many are lost each HOUR? _________
11. In conclusion, Bill Nye states that “As more and more species disappear, it’s harder and harder to keep and ecosystem in balance because we don’t know WHAT?
12. To keep our ecosystem healthy, we must keep our ____________________
Page 21: This is a summative grade.
1. How many species go extinct every day?
2. Does species diversity follow any patterns?
3. What is a biodiversity hotspot?
4. Why are so many species disappearing?
5. How is biodiversity measured?
6. What is biodiversity?
7. What are the world’s rarest species?
8. How many species go extinct every day?
Answer:
Explanation:
life living,non-livingMany species are going extinct, and their loss affects the balance of other living thingseverything effects everything elsetry limiting our impact on the environmentdodo bird , passenger pigeon natural habitatthe ocean , 2/3buying Eco friendly appliances , recycle as much as we can , reuse products , reduce buying products that pollute17we don't know that species are needed for our survivalbiodiversity1. 150 2. The diversity of species is lowest at the poles and increases toward the equator, with the deserts being obvious exceptions.3. biographic region of significant biodiversity 4. because of the changes caused to earth5.through species richness and the number of species in a given area6.the variety of plant and animal life in the world or in a particular habitat7. Giant otter, black-footed ferret8.150Which if the following could be caused by an increase in carbon fixation
Answer:
your mom
Explanation:
stop using this app
All cells are not the same because ?
Answer: there are many types such as animal and plant cells and you can see it in their components.
Explanation:
Cells differ from one another due to specialization and differentiation, where each cell type expresses only certain genes relevant to its function despite all of them having the same DNA. This allows for a variety of cell types with unique functions necessary for an organism's survival.
Explanation:All cells are not the same because they undergo specialization and differentiation. Just as actors read only their parts from a movie script, every cell in a multicellular organism contains the same DNA but only "reads" the part that is necessary for its unique function. This is the fundamental concept behind why a muscle cell, a liver cell, and a skin cell look and act differently, despite having an identical genetic blueprint. This specialized gene expression allows cells with the same DNA to become different cell types, enabling the diverse functions necessary for organismal development and survival.
For example, epithelial cells provide protection, bone cells support structure, immune system cells fight pathogens, and red blood cells transport oxygen. These variations among cells are essential for the growth, development, and maintenance of the body. Even unicellular organisms exhibit gene regulation in response to environmental changes, highlighting the importance of gene expression in cell function and diversity.
What’s the answer???
Answer:
Storing energy and Eukaryotic Cells
Explanation:
Chloroplasts are pigments, and pigments turn that light into energy. The green that you see on plats are because of the chloroplasts, either reflecting green or absorbing green. Chloroplasts are only found in Eukaryotic cells, that means it isn't found in just plant cells.
Which phrases describe both lakes and ponds? Check all that apply.
Answer: The first and the third phrase apply.
Hope this helps! ^_^
Explanation:
Answer:
A and C
Explanation:
took it in edg and go it right
Stephanie cuts a five-meter-long piece of rope into five equal parts. What is the length of each piece of rope? 10 centimeters 100 centimeters 0.20 centimeters 200 centimeters
Answer:
100 Centimeters
Explanation:
There are 5 meters, and you cut it into 5 equal parts. This means that one part is 1 meter long. Then you would have to convert meters to centimeters. There are 100 centimeters in a meter. So that would make it 100cm x 1m= 100cm.
Any electricity charged object creates an electric field. Walking across carpet in wool socks can create an electric charge. This observation is evidence for which characteristics of electrical forces?
A)They generate electricity by contact.
B)They can be generated by electricity.
C)They can exert a force across a distance.
D)They are moving due to magnetism.
Answer: A)They generate electricity by contact
Explanation: triboelectricity can be simply defined as a phenomenon where static electricity is produced when two different materials are vigorously and continuously rubbed or come in contact with each other. This vigorous and continous contact allow electrons to jump from one material (atom) to another there by creating static electricity.
This characteristics is evident when an individual walks across a carpet while wearing a wool socks, as the wool and the carpet vigorously and continuously rub against one another, electrons are transfered from the carpet to the socks which spread all over the surface of the body. (The body becomes negativity charged while the carpet becomes positively charged) This is why the individual will feel a shock sensation when he or she goes on to touch the door knob due to the static electricity generated.
Final answer:
Walking across a carpet in wool socks and accumulating an electric charge exemplifies the characteristic that electrical forces can exert a force across a distance. This is reflected in the creation of an electric field that influences other objects without direct contact. (option C)
Explanation:
Walking across a carpet in wool socks and creating an electric charge is evidence of electric fields generated by the accumulation of static electricity due to friction, and this static charge can exert a force across a distance.
This is because electric charges produce electric fields that influence other charges, even when they are not in direct contact. Therefore, the observation supports the characteristic that electrical forces can exert a force across a distance, which corresponds to option C) They can exert a force across a distance.
Furthermore, the act of walking across the carpet and subsequently experiencing a spark upon touching a metal object is an example of charging by contact. The electrons transferred through friction between the socks and the carpet create an excess of negative charge on your body.
When this charge finds a path to equalize—as in touching a doorknob—a spark is observed due to the rapid movement of electrons to the neutral object.
In an ecosystem, primary consumers eat plants. Secondary consumers eat
primary consumers. Tertiary consumers eat secondary consumers.
What can be concluded from this information?
(A)
Plants need both carbon dioxide and water for photosynthesis to occur.
B.Different types of organisms within an ecosystem need each other to live.
C.Bacteria and fungi are needed to break down the dead bodies of producers
and consumers.
D Light from the sun is necessary for most ecosystems on Earth to get
going.