Answer:
The correct answer is 4. Plateaus.
Explanation:
A plateau is a relatively flat, relatively high-lying part of the earth's surface that is wholly or almost wholly bounded by steeply sloping terrains. There is a pronounced slope on at least one side. The original flat area has mostly risen vertically as a whole due to geological factors. It may possibly have been cut by rivers, giving the impression of a hill or mountain landscape, but this is not it.
Answer:
1. Mountains
Explanation:
After a volcano erupts and destroys an ecosystem, a few organisms are able to begin growing from the decaying organic matter left behind. What do we call those organisms that are able to grow in little or no soil that first appear?
Answer:Pioneer species
Explanation: Pioneer species are the first species to live in an area after it has been destroyed as mentioned.
determining the order of events and the relative age of rocks by examining the position of rocks in a sequence is called___.
A) absolute dating
B) radiometric dating
C) relative dating
D) radiocarbon dating
Answer:
C) relative dating
Which letter in the image shows the alluvial fan
Answer:
its z
Explanation:
i got it right
Watch the seven minute video on the "Mystery of the Buffalo boom" on you tube. Write a reflection on how scientists used their reasoning skills to make a claim about causes of the "buffalo boom".
Answer:
In the "Mystery of the Buffalo boom" scientists first try to find the answer in the two most common things that can affect a population of animals. Food and predators.
First, they studied the buffalos' food supply, grass. They found that there has not been an increase in it so that the number of buffalos multiplied.
Then they studied the predator's population, and they found that there was not a decrease in the number of them that could affect the buffalos increasing numbers.
As the two main things that controlled a population were not affected, they had to find other causes. The next thing that they studied were historical facts about buffalos and diseases. Scientists discovered that a virus that affected cows had impacted these animals too, which was the cause of a considerable decrease in the buffalo's population many years back.
Due to the drastic impact that the rinderpest had on cows, a vaccination plan was implemented. As the cows now were protected against this virus, the virus could not reproduce as it did, ending the spreading of this disease in cows. As a consequence, the buffalos were no longer infected, and their population grew thanks to the vaccination plan.
In conclusion, when the most common things that can affect a population are not the cause, we have to look into the past and find what has changed and how it impacted the animals. It is using logical thinking skills to determine what has changed and what that change made.
Explanation:
In the video "Mystery of the Buffalo boom" the ecologist Tony Sinclair found an abnormal buffalos' number in Tanzania. As the increase in the buffalos' population was something unusual, he knew that something had changed, but he did not know what. Sinclair, with other scientists, used their reasoning skills and thought that the two most logical things that can affect a population are food and predators. When they studied these two variables, they found out that they were not the problem. The next step was to look for past events that impacted buffalos. They found out that a virus, which directly affected cows but also buffalos, had been erased from the Earth thanks to a vaccination plan. As a result, the disease spreading between cows stopped, and as a consequence, it also stopped between buffalos.
We can see that everything is connected and that by using reasoning skills and logic, scientists could determine what happened.
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Habitat destruction causes issues for many different species because it gives them a smaller area to move around to look for food, shelter, or other resources. Which of the
following would be a possible solution to this problem?
O A Moving all of the animals to one forest away from cities
O
B. Killing all of the animals
O
C. Connecting the forests together
allow animals to move between the forests
O D. Constructing a large wall around the city so the animals and humans are separated
How does carbon move from the nonliving (abiotic) environment into the living (biotic) environment?
A.) fossil fuels take carbon dioxide out of the air
B.) plants take carbon dioxide from the air
C.) animals take carbon dioxide from the air
D.) carbon dioxide moves from the air into water
Plz help soon i'll mark brainliest
Answer:
b plants take carbon dioxide from the air
help plss !! really need help
Answer:
am too young
Explanation:
hope it helps
What do you think the color of the pea plants has to do with genes?
Answer:
According to Mendel Gregor, he analyzed two plants can make a different offspring. It depends on the alleles. I hope this helped!
Explanation:
Answer:
The instructions for making a pea plant are found in its genes. Each gene has the instructions for one small part of the pea plant. There is a gene that determines the color of the peas the plant will produce. These genes can come in all different versions.
A lipid is composed of a glycerol molecule and how many fatty acid chains?
HELP PLEASE I GIVE YOU BRAINLIEST I NEED HELP WITH 2
Answer:
C. makes the most sense so I hope I'm right
Explanation:
If this isn't correct I am so so so sorry!
The immune system has both specific and nonspecific defenses against viral infections. Which statement describes a nonspecific response of the immune system in fighting viral infections?
A. T cells are produced to search out and destroy the viruses.
B. Memory B cells are activated to rapidly respond to the viral infection.
C. Plasma cells quickly replicate and release antibodies that bind to the viruses.
D. Virus-infected cells produce interferons that lead to the inhibition of viral replication
Answer:
C
Explanation:
I just did this same question
Virus-infected cells produce interferons that lead to the inhibition of viral replication and act as a nonspecific response of the immune system in fighting viral infections. Therefore, the correct statement is option D.
What are interferons?The immune system has two types of responses to viral infections: specific and nonspecific. Interferons are signaling molecules produced by virus-infected cells to activate antiviral defenses, such as apoptosis in infected cells. This refers to the nonspecific response of the immune system in fighting viral infections
Interferons function by alerting the immune system about the presence of a viral infection. Interferons can also stimulate the production of other immune cells, such as natural killer cells and macrophages to eliminate the infected cells.
Interferons have been also used to treat viral infections, such as hepatitis B, and are the nonspecific defenses that act as a first line of defense against viral infections.
Therefore, interferons that lead to the inhibition of viral replication are the nonspecific response of the immune system in fighting viral infections.
Learn more about the interferons here:
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I need help 1 more time How does the Sun manage to maintain an environment in its core that is conducive to nuclear fusion? I'll mark 1 more Brainliest so plz I really need this done before Monday
Answer:
Gravitational equilibrium helps maintain the environment in the Sun's core that is conducive to nuclear fusion. The Sun's gravitational equilibrium balances the gravity pulling inward and the pressure pushing outward. It keeps the Sun's size, denseness, and hotness stable, thus making nuclear fusion possible.
Answer:
Gravitational equilibrium helps maintain the environment in the sun's core that is conducive to nuclear fusion. the sun's gravitational equilibrium balances the gravity pulling innards and the pressure pushing outward . it keeps the sun's size, denseness, and hotness stable, thus making nuclear fusion possible.
The removal of the predator populations from an ecosystem would most likely result in?
O a decrease in all the prey populations
O an increase in all the producer populations
O an increase in ecosystem biodiversity
O a decrease in ecosystem biodiversity
Answer:
A decrease in all the prey populations.
Answer:
a decrease in all the prey populations
Explanation:
I Watched a video thing
A population ecologist wished to determine the size of a population of white-footed deer mice, Peromyscus leucopus, in a 1-hectare field. Her first trapping yielded 80 mice, all of which were marked with a dab of purple hair dye on the back of the neck. Two weeks later, the trapping was repeated. This time 75 mice were trapped, out of which 48 of the mice were marked. Using the formula below, what is the population of mice in the field
Answer: 125
Explanation:
Population size is the number of individuals in a population. First, the trapping yielded 80 mice that were marked. Two weeks later, 75 mice were trapped and 48 of them had the mark.
The formula used for this question is:
N=mn/x
N= population size in the 1-hectare field. m= number of individuals marked and released the first time. n= number of individuals captured the second time. x= number of marked individuals that are recaptured.
The experiment consist on a randome collect sample of individuals which are then marked and released. Next, take a sample again.
So, replacing the values we get:
N=(80)(75)/48
N=125 individuals.
How is antibiotic resistance related to Natural selection?
Answer:
Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.
Explanation:
Biodiversity
3
Scientists at a university laboratory study plants in a certain forested region to determine if any of the plants have a medicinal
benefit. The region has recently experienced a decrease in the number of plant species available for medical research. Which of the
following changes has most likely caused this change in biodiversity?
OA.
a prolonged period of increased rainfall
ОВ.
the introduction of an invasive predator species
OC.
decreased rate of animal reproduction
OD. increased rate of deforestation
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Answer: I don’t know, I need this one too
Explanation:
Answer:
D.
Explanation:
and i just guessed
Maps are important tools that help us to..............
Answer:
to find our way
EaSY
Explanation:
How do biotic and abiotic factors affect the characteristics of an ecosystem
Explanation:
Biotic factors such as the presence of autotrophs or self-nourishing organisms such as plants, and the diversity of consumers also affect an entire ecosystem. Abiotic factors affect the ability of organisms to survive and reproduce. Abiotic limiting factors restrict the growth of populations.
A magnified crocodile tongue is an example of multicellular organism true or false
Answer:
true
Explanation:because any living breathing organism is multicellular
Answer:
True
Explanation:
B/c multicellular organisms are cell of living things
Mediterranean forests, dry woodlands, and shrublands often have plants called sclerophytes living in them. What adaptation do these plants have that help them survive in this biome?
Answer:
he special characteristics that enable plants and animals to be successful in a particular environment are called adaptations. Camouflage, as in a toad's ability to blend in with its surroundings, is a common example of an adaptation. The spines on cycad leaves, keep animals from eating them.
Explanation:
Plants adapt to their environment from necessity. Plants may also adapt by growing lower and closer to the ground to shield themselves from wind and cold. Desert environments may have some of the following adaptations, these help the plant to conserve food, energy and water and still be able to reproduce effectively.
(PLEASE HELP!! AND NO LINKS OR I WILL REPOT YOU!) True or False: Organisms evolve because they desire to be more fit for their environment in order to survive.
What would you eat for the rest of your life and why
Answer:
I would eat organic food or natural food
Explanation:
Because these type of food does not contain chemicals or are not artificial or are not even genetically modified which can be not good for our health but the organic foods are the best for our health.
Organisms that are members of the family Coccinellidae are heterotrophic, reproduce sexually, and are multicellular. Knowing this, we can be certain they belong to which kingdom? А Animalia B Plantae C Eubacteria D Protista
Answer:
they belong to kingdom (A). Animalia.
what substances are returned to the blood before it leaves the kidneys?
Answer:
The process is called reabsorption.
The substances that are returned are glucose, amino acids, water and salt. Hope this helped
How is your body temperature held constant despite different weather temperatures
outside?
Answer:
Core body temperature The body can only stay at a constant temperature if the heat generated is balanced and equal to the heat lost. Although the core temperature must be close to 37°C, fingers and toes can be colder. This is because energy is transferred from the blood as it travels to the fingers and toes.
Answer: When heat activates sweat glands, these glands bring that water, along with the body's salt, to the surface of the skin as sweat. Water evaporating from the skin cools the body, keeping its temperature in a healthy range.
Explanation:
Which of the following is true about the release of histamine from cells in nasal passages?
All of the above
It may cause increased secretion by mucous membranes.
It occurs during an allergic reaction.
It causes nearby capillaries to swell.
Answer:
Urticaria (Hives)
Hives are an inflammation of the skin triggered when the immune system releases histamine. This causes small blood vessels to leak, which leads to swelling in the skin. Swelling in deep layers of the skin is called angioedema.
Explanation:
where is the protein on a DNA?
Answer:
Explanation:
The type of RNA that contains the information for making a protein is called messenger RNA (mRNA) because it carries the information, or message, from the DNA out of the nucleus into the cytoplasm. Translation, the second step in getting from a gene to a protein, takes place in the cytoplasm.
Compare comets, meteors and steroids
Write a short answer for the question
Answer:
Asteroids are smaller than a planet, but they are larger than, A meteor is what happens when a small piece of an asteroid or comet burns up upon entering Earth's atmosphere.
Which ocean is warmest because most of it lies in the tropics?
Question 5 options:
Atlantic
Artic
Indian
Pacific
Southern
Answer:
southern is warmest .
Explanation:
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which one is a lie? someone pls answer I need help
Answer:
I'm pretty sure number two is the lie. I'm not 100% sure tho