PLEASE HELP!
Age structure data include all of the following except
A. The number of members of a population who are between 5 and 11 years old
B. The ratio of males to females in a population
C. The ratio of older people to younger people in a population
D. The amount of population change due to immigration of emigration
Answers
Answer:
b.
Explanation:
sana po ay ako ay nakatulong kahit sa paanong paraan
The correct answer is D. The amount of population change due to immigration or emigration.
Age structure data is a demographic concept that refers to the distribution of different age groups within a population. It provides information about the relative sizes of different age groups and is commonly represented in the form of an age pyramid or age distribution graph.
Now, let's go through the options one by one:
A. The number of members of a population who are between 5 and 11 years old: This is a relevant aspect of age structure data. It provides information about the size of the population within a specific age range.
B. The ratio of males to females in a population: This is also an important aspect of age structure data. It helps us understand the gender distribution within a population and can provide insights into issues such as gender imbalances or gender-based policies.
C. The ratio of older people to younger people in a population: This is another significant aspect of age structure data. It helps us assess the proportion of older individuals (typically above a certain age threshold, such as 65 or 80) compared to younger individuals. This information is particularly valuable for understanding issues related to aging populations and the potential impacts on social and economic systems.
D. The amount of population change due to immigration or emigration: This option is incorrect. Age structure data focuses on the distribution of age groups within a population and does not directly measure population change due to immigration or emigration. While immigration and emigration can affect the composition of age groups, they are not included in age structure data.
In conclusion, age structure data includes options A, B, and C, but it does not include option D.
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Joe walks from his house to the movies 6 miles away. It takes him 2 hours. What is his speed
Answers
Answer: 3 mph
Explanation: The formula for calculating speed is distance divided by time.
6 divided by 2 is equal to 3, meaning he is traveling 3 miles every hour that passes.
Please help it’s urgent!!!! And explain
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Answer:
Your right-
Explanation:
The word hydro refers to water. The hydrosphere consists of all rivers, lakes, oceans, glaciers, and groundwater found on Earth. The hydrosphere is important because water is a basic necessity for living things. Also, aquatic life forms rely on bodies of water for their habitat
So no minerals dont make up rocks and niether do rocks make up minerals
Pls mark brainlest!
Answer:
minerals make up rocks . such as Granite which is a rock consists of quartz, alkali feldspar, and plagioclase which are minerals .
Which statement is true of Y chromosomes?
O A. Only men have them.
O B. Women have two of them.
O C. All babies have them.
D. Only women have them.
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Answer:
Explanation: A is correct
only men have them
Question 1 of 10
Consider the overall shape of these cells
Which geometric shape is the best model for these cells?
A Asphere with a large diameter
B A cube
c Afat rounds
D A rectangular solid
Answers
The reason why Europe has a warmer climate than Canada, even though they are both at the same latitude is because of the ...
a. North Atlantic Drift
b. mid Atlantic ridge
c. el nino
d. la nina
Answers
Answer:
a.
Explanation:
a. is the answer to your question
Fill in the chart using the food web pictured. Only use each organism once, and some may not be used at all.
Producer -
Primary consumer -
Secondary consumer -
Autotroph -
Heterotroph -
Herbivore -
Carnivore -
Omnivore -
Answers
Primary consumer - Grasshopper
Secondary consumer - foxes
Autotroph - Carrots
Heterotroph - Mice
Herbivore - Rabbits
Carnivore - Owls
Omnivore - Birds
I hope this helps!
Tell me if there is any you feel is not right .
HELP ME PLEASE
Which of the following provides evidence of a common ancestor? *
1.Insects and birds both have wings.?
2.Whales and wolves share a similar anatomy.?
3.Dogs and kangaroos both care for their young.?
4.Mosquito larvae and shrimp both live in water.?
Answers
A common ancestor is a set of organisms that most recently individuals from all the organisms are descents.
Fossils, anatomy, DNA sequences, and embryos, etc. are all line of evidence that tells us about the similarities and differences that lead to the evolution of the organisms. The example of the dogs and the kangaroos both are mammals and care for their young ones.Hence the option 3 is correct.
Learn more bout the following provides evidence of a common ancestor.
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Help what is A and B
Answers
Answer:
A is carbon dioxide and B is ATP
Explanation:
hope this helps
Answer:
A is Carbon Dioxide
B is Oxygen
Explanation:
Which statements describe scientific inquiry? Check all that apply.
Answers
Available options are:
A. a scientific inquiry is used only by scientists.
B. scientific inquiry is a process of asking and answering questions.
C. scientific inquiry has only one correct pathway.
D. scientific inquiry often involves similar processes and practices.
E. scientific inquiry involves performing investigations and collecting data.
Answer:
B, D, E
Explanation:
Given that scientific inquiry is a term that described how people mostly scientists, observe the natural world and then come out with credible justification established on the findings that were derived.
Hence, the statements that describe scientific inquiry are:
1. B. scientific inquiry is a process of asking and answering questions. Through this, scientist want to understand the reason behind a certain phenomenon
2. D. scientific inquiry often involves similar processes and practices. To carry out scientific studies, certain steps and practices are required, regardless of the subject under study, which does not entirely change.
3. E. scientific inquiry involves performing investigations and collecting data. This is because to carry out a scientific inquiry, part of the steps and practice includes performing investigations and collecting data, regardless of the subject under study.
CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU
Answers
I also do Acellus :)
What characteristic sets streams and rivers apart?
A. water quality
B. direction of flow
C. size
D. biodiversity
Answers
Explanation:
the answer to this question is c
hope it helps you good luck
Answer:
C
Explanation:
On which end of a growing polypeptide chain is the next amino acid added?
C-terminal
N-terminal
5'-end
3'-end
Answers
Answer:
The correct answer is - C-terminal
Explanation:
Polypeptide chains are nothing but the linked amino acid sequences together which is takes place with the help of mRNA, ribosome, and tRNA in a living cell or organism. Polypeptide chain has two ends with two functional groups a carboxyl group end and an amino group end of the polypeptide chain.
The next amino acid added to the carboxyl group end of the polypeptide chain with the bond known as peptide bond and the reaction known as a condensation reaction and a molecule of water is released.
How can genetic mutations increase the variation in a population over time?
Answers
Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles.
Explanation:
Read the following scenario:
John Doe walks into the bank to deposit his weekly paycheck. While there, one of his hairs falls off the back of his shirt and onto the floor. After depositing the money, he leaves and returns to work. About fifteen minutes later, the bank is robbed at gunpoint by a masked man who is about the same height and build as John Doe. The bank manager is asked to provide a listing of all customers who visited the bank in the past week. The plan to carry out the investigation included searching the crime scene for evidence. Upon doing so, one of the investigators finds the hair belonging to John Doe and tags it as evidence.
Answer the following questions:
Provide at least 3 reasons the hair evidence alone can't be used to pinpoint John Doe in the robbery.
What other evidence in the investigation could have been collected in the attempt to identify the bank robber? the perpetrator.
Explain why hair evidence is generally considered "class" evidence.
Answers
Answer:
Hair evidence is considered "class" evidence because the hair can be connected to a certain group.
Explanation:
The hair evidence alone can't be used to pinpoint John Doe in the robbery because he also came to deposit his weekly paycheck so may be the hair drop at that time in the bank. The other reason is that may be the hair has been dropped by the real thieves in order to be caught the John Doe in the crime. Hair evidence is considered "class" evidence because the hair can be connected to a certain group.
When we are born, we have about how many brain cells?
None, they develop after birth
Hundreds
Millions
Billions
Answers
Answer:
When we were born we had 100 billion brain cells
Explanation:
I hope that helped you :)
please help
science btw
i’ll give brainly
Answers
What structures are responsible for the movement of chromosomes to the center of the cell in metaphase and their separation in anaphase
Answers
Answer:
The structures that are responsible for the movement of chromosomes to the center of the cell in metaphase is the spindle fibers, the cell attaches the centromeres to the spindle fibers to pull the sister chromatids to the center
In anaphase the sister chromatids are separated at the centromere and are pulled to the opposite poles of the cell by the spindle fibers
Explanation:
The structures responsible for the movement of chromosomes to the center of the cell in metaphase and their separation in anaphase would be the spindle fibers.
The spindle fibers are formed from microtubules near the two poles of a dividing cell. Spindle formation starts from prophase and continues to grow and extend towards the centromere of chromosomes.
At metaphase, the spindle fibers would have successfully attached to each chromosome at the kinetochore of their centromeres. Once this is done, the spindle fibers start shortening, pulling sister chromatids apart towards opposing poles in the process.
The shortening of the spindle fibers serves as the vehicle that transports sister chromatids to the poles.
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Question 2 (1 point)
A (blank space)
cell is produced by meiosis in a male organism.
A. egg
B. new
C. sperm
D. female
Answers
Answer:
sperm
Explanation:
males make sperm and females make eggs
MULTIPLE CHOICE
In the space provided, write the letter of the term or phrase that best completes
each statement or best answers each question.
__6. Organisms that live in estuaries must adapt to changes in
a. temperature and precipitation,
b. sunlight and nutrients.
C. oxygen and pollutants.
d. water level and salinity.
7. Why doesn't photosynthesis occur in deep ocean water?
a. The water temperature is too cold.
b. There is no sunlight.
c. There are not enough nutrients.
d. The salinity level of the water is too high.
8. In estuaries, fresh water and salt water mix, forming a(n)
a. algal bloom.
C. coastal boundary.
b. habitat for shellfish.
d. nutrient trap.
9. Most of the nutrients in an arctic ecosystem come from
a. melting ice.
c. sunlight
b. the ocean.
d. lakes.
10. The majority of marine organisms are found in
a. deep ocean waters.
b. shallow, coastal waters.
c. hydrothermal vents.
d. salt marshes.
Answers
Answer:
6 is D
7 is C
8 is D
9 is C
10 is B
Explanation:
Following are the answers:
d. water level and salinity
b. There is no sunlight
C. coastal boundary
a. melting ice
b. shallow, coastal waters
What are estuaries?
An estuary is a body of water where a freshwater river or stream meets the ocean. The mixing of these two bodies of water creates a unique environment that supports a diverse range of plant and animal life. Estuaries are important for many different species of fish and shellfish, as well as for waterfowl and other migratory birds.
They also serve as important breeding and feeding grounds for many species. Human activities such as agriculture, urbanization, and pollution can have a negative impact on estuaries and the wildlife that depends on them.
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Explain how breast-cancer genes are still present in the population, despite cancer-related surgeries and deaths.
Answers
Answer:
the correct answer would be - inheritance.
Explanation:
BRC1 is one of the genes that cause breast cancer which is thought to be inherited from the parents and even surgery can remove it from the person or it removed with the death of the person but genes already passed on next generation.
Surgery can not remove the gene but the tumor only and can reappear again. It is impossible to remove the complete gene from the population.
What is the main purpose of the digestive system
Answers
Answer:
to digest the food
Explanation:
The main purpose of the digestive is to get the nutrients out of the food that you eat. When you eat something, it goes through the digestive system to get the fuel and nutrients from the food that you eat.
Signal must travel from one animal to another, and the receiver of the signal should respond in some way. This is called _____.
a.
competition
c.
food and water
b.
courtship
d.
communication
Answers
Answer:
I think it will communication
Use Sammi's model as an example to explain why cells are the building blocks for human bodies.
Answers
Answer:
Sammi's model uses common materials to represent the different parts of the circulatory system. These different parts represent the heart, blood vessels, capillaries, and digestive tract. The model shows that blood is pumped by the heart through the blood vessels, then through the capillaries located in the digestive tract, and back into the blood vessels. Sammi's model also shows that clear water becomes green after traveling through the cardboard tube, which represents the digestive tract and capillaries. This is because the particles lined in the cardboard tube are absorbed into the water. This is much like the circulatory system because blood travels through the capillaries and absorbs the nutrients stored in the villi, which are represented by the corrugated inside of the cardboard tube, that absorb nutrients from the digestive tract. The blood then travels back into the blood vessels to deliver this nutrients throughout the rest of the body, which is vital for the function of all organs in the body.
This model supports that cells are the building blocks for human bodies because it shows how each part of the digestive and circulatory systems work to move cells around in the body in order to provide nutrients and required substances to keep the body functioning properly. If the digestive and circulatory systems were not functioning, the body could not function either because the nutrients and cells that are transported by these systems are required for life of the human body.
Explanation:
This is my own personal answer, so if there are any mistakes please feel free to correct me. You may want to paraphrase or change parts of this answer. I hope this helps! Have a wonderful day! :)
Cells are the building blocks for human bodies because cells have different parts and each performs specific functions.
A cell refers to the smallest, basic unit of life. The model uses common materials to represent the different parts of the circulatory system.
From the model, it can be seen that some of the parts that are represented include the heart, blood vessels, capillaries, and digestive tract. This illustrates that for blood to be pumped into the body, different organs have specific roles to play just like the cells have different functions to play in the human body.
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14. Scientists and dinosaur fossils in the bottom rock layers of a cliff and
mammal fossils in the middle rock layer of the cliff. Which could best be
concluded from this evidence? *
A. Dinosaurs ate plants.
B. Dinosaurs were eaten by the mammals.
C. Dinosaurs lived on Earth before the mammals.
D. Dinosaurs and mammals lived at the same time.
Answers
Ways Viruses differ from bacteria
Answers
Answer:
All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells.
Explanation:
Chromosomal rearrangements are considered large-scale mutations. Point mutations are considered small-scale mutations, and are of two general types. The first is a single nucleotide-pair substitution. What occurs here?
Answers
Answer:
Please find what occurs in the single nucleotide-pair substitution below
Explanation:
Single nucleotide-pair substitution is a type of point mutation as stated in this question. Point mutation is when one nucleotide base (single) is affected in the sequence. In this single nucleotide-pair substitution, ONE nucleotide base is substituted by another base.
For example, in a DNA sequence that reads: TAA GTC GGG, a mutated sequence affected by single nucleotide-pair substitution will read as follows: TAA GTC TGG. Note that in the last codon (GGG), a single nucleotide G has been replaced by another nucleotide T. Therefore, single nucleotide-pair substitution is said to have occur.
Meiosis is an important part of life which only occurs in the sex cells of a variety
of different organisms. The type of cells produced by meiosis are called: *
A.prokaryotes
B.nuclei
C.chromosomes
D.gametes
Answers
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
What is one potential environmental impact of accessing renewable energy?
O Equipment for harvesting the energy can interfere with wildlife.
O Processing the energy can release harmful hot water.
Burning the energy for electricity can produce acid rain.
Using the energy can emit damaging greenhouse
Answers
need help again lol.
Answers
The small intestine is actually around 22 feet long, so this statement is wrong.
Which factor makes enzymes well-suited to the role of catalyst in a biochemical reaction?
Enzymes do not affect the energy of a reaction.
Enzymes slow down reactions so products can form.
Enzymes can be reused because they do not permanently bond with substrate.
Enzymes can only bind to other enzymes so the same product is formed each time.
Answers
Answer:
Enzymes can be reused because they do not permanently bond with substrates.
Explanation:
Enzymes can be reused because they do not permanently bond with substrates is the factor makes enzymes well-suited to the role of catalyst in a biochemical reaction.
what are the property of enzyme ?Enzyme are the Proteins serve as biological catalysts by increasing the rate of chemical reactions.
The enzymes act upon the substrates which form new molecules known as products, they are substrate specific.
enzyme Specificity indicate the linkage type the enzyme acts on. Completely specific enzymes would act only on a particular chemical structure, rather than several kinds of similar molecules.
When molecules undergo a chemical reaction, the atomic bonds in the reactants are broken and form new bonds which further form a new product is called the Chemical Reaction.
They act as a biological catalyst and can speed up a reaction affected by pressure, pH and temperature. Reactions are reversible.
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