Answer:
Insulin is most directly related to homeostasis.
Explanation:
Homeostasis is the ability to maintain balance of body against a change in the environment. Insulin is a harmone which controls the glucose level in the blood. If the glucose level is high in the blood, the insulin gives message to the liver to absorb glucose from the blood and when glucose level is low, the liver released glucose into the blood. So insulin helps in the homeostasis of the body.
Answer:
The answer is D. Homeostasis
Explanation:
Each element on the periodic table is represented by a:
Each element on the periodic table is represented by its element symbol and atomic number.
Explanation:
The periodic table is the list of known chemical elements. The atomic number of an element is the same as the number of protons in the particular nucleus of an atom.
The elements in the periodic table are arranged into periods and groups. A row of elements across the table is called a period.
In a periodic table element is listed by its symbol and atomic number. For example "H" denotes hydrogen, "Li" denotes lithium.
The elements in the same group represents the patterns in atomic radius, ionization energy and electronegativity. The elements are represented by 2 letters one capital and other in lower case. they are arranged based on the increased atomic number.
Each element on the periodic table is represented by a unique symbol and an atomic number, along with other properties. The symbol is an abbreviation of the element's name, and the atomic number represents the number of protons in the element's nucleus.
Explanation:Each element on the periodic table is represented by a unique symbol which consists of one or two letters. These letters are an abbreviation of the element's name. For instance, the symbol for Hydrogen is 'H', for Carbon is 'C', and for Oxygen is 'O'. Furthermore, every element on the periodic table also has an atomic number, which is unique to each element and represents the number of protons in its nucleus. So, an element on the periodic table is represented not only by its symbol but also by its atomic number and other details such as atomic mass.
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What determines which traits will be passed on to the next generation in the greatest frequency?
Group of answer choices
how fit the trait is for the environment
the species in which the trait occurs
random mutations in the trait
Mendelian genetics of the trait
Answer:
How fit the trait is for the environment
Explanation:
This answer choice describes the process of natural selection. Natural selection is the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
Statement that is true as regards the traits that will be passed on to the next generation even at greatest frequency is A: how fit the trait is for the environment.
Trait can be regarded as the distinguishing feature of a person's character, this feature could be physical or behavioral.When passing a trait over to another generation, the environment has a very crucial impact on how long the trait can survive before fading away, because best-adapted individuals needs to survive and reproduce to pass it on.Therefore, option A is correct.
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discuss how biodiversity the increase and decline of the elephant population
Biodiversity can be impacted by the increase or decline of the elephant population. This can result in either a decrease or disruption of biodiversity in the ecosystem.
Explanation:The Impact of Biodiversity on Elephant PopulationBiodiversity refers to the variety of life forms in an ecosystem, including different species and their genetic variations. The increase or decline of the elephant population can have significant effects on biodiversity.
Increase of Elephant Population:If the elephant population increases, it could lead to a decrease in biodiversity in the ecosystem. Elephants are mega herbivores that require large amounts of food and space. As their population grows, they may overgraze or trample vegetation, leading to decreased species diversity and habitat loss for other organisms.
Decline of Elephant Population:On the other hand, a decline in the elephant population can also negatively impact biodiversity. Elephants play a crucial role in ecosystem dynamics through their feeding habits and seed dispersal. When elephant numbers decline, it can disrupt plant communities and reduce the availability of food and resources for other species, leading to a decrease in biodiversity.
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Elephant populations increase in African nations with property rights and stable political systems, but decline due to poaching and habitat loss, despite the international ivory trade ban.
The relationship between biodiversity and elephant populations is multifaceted, demonstrating both how measures to protect these animals can lead to their population increase and how various threats contribute to their decline. An analysis by Professors McPherson and Nieswiadomy illustrated that elephant populations have increased in African nations with established property rights and stable political systems, which can include exclusive, transferable licenses to hunt elephants. Nations like Botswana and Zimbabwe are examples where such practices have led to significant rises in elephant numbers.
Conversely, in cases where these conditions are not met, and especially with the impact of human activities such as poaching and habitat encroachment, elephant populations are in decline. Forest elephants, even in isolated national parks, have suffered from poaching and range reduction despite international agreements like CITES, which banned the trade in ivory. The challenges also include ethical debates over culling, effects on habitats, and conflicts with human interests, which all play a role in the conservation and management of elephant populations.
How does Angiogenesis lead to cancer cells?
Answer:
The angiogenesis are formation of new blood vessels. The formation of new blood vessels supply the cancer cells oxygen and nutrients which is stimulated by the chemical signals sent by the tumor allowing the tumor to enlarge and they continue to invade nearby body tissues spreading to the whole body forming new colonies of cancer cells.
Explanation:
How many alleles for blood type in humans?
Answer:
four blood types, a, b, ab , and o,
Answer:
3 Alleles
Explanation:
There are mainly 3 alleles for blood types IA, IB and i. IA and IB are dominant and i is a recessive allele.
Allele. Blood group
IA. A
IA, IB AB
IA, i A
IB B
IB, i B
ii O
Where do amoebas live and what are their geographic range?
Answer:
Amoeba is a unicellular organisms which lives in water bodies such as warm water, hot lakes and springs.
Explanation:
Amoeba is a eukaryotic organisms which found usually in warm water. The geographic range of amoeba is warm water like hot springs, lakes etc. Salt water is harmful for amoeba so it is not found in sea water. It also found in cold water but its growth is adversely affected.
When the sun is high in the sky, your shadow is_________than when the sun is low.
A.
longer
B.
shorter
C.
wider
D.
skinnier
Answer:longe
Explanation:
Answer:
longer
Explanation:
I already took the quiz
100 POINTS! Name a dinosaur with 500 feet. (pls dont google it)
Answer: was it the Nigersaurus faqueti
?
Explanation:
Answer:
Nigersaurus
Explanation:
Which statements apply to laws? Check all that apply.
O Alaw is a factual statement.
Alaw is testable.
Alaw is a possible answer to a scientific question.
Alaw is an explanation.
A law cannot be changed or replaced.
The statements that apply to laws are as follows:
Law is a factual statement.A law cannot be changed or replaced.Thus, the correct options for this question are A and E.
What do you mean by Law?Law may be defined as a type of rule or a set of rules that are significantly enforceable by the courts in order to regulate the government of a state. They maintain the proper functioning of society with equality and justice.
According to the context of this question, the requirement of law always determines the proper functioning and well-being of society. They remain equal for all irrespective of caste, creed, religion, etc. Law governs a factual statement that can not be changed or altered for the need of people.
Therefore, the correct options for this question are A and E.
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#7 can you guys help me
Answer:
It drops all of its seeds
Explanation:
a sunflower has hundreds of seeds that only get spread by getting to the ground
Which molecule carries the instructions for producing mRNA?
Answer:
The answer DNA.
Answer:
DNA
Explanation:
DNA is the molecule that carries the instructions for producing mRNA.
All chordates live in the ocean. True or false
Examine the scenario.
Chemical Reaction A and Chemical Reaction B involve the same two reactants. Chemical Reaction A is performed in a hot container, while Chemical Reaction B is performed in a cold container.
Which of the answer choices correctly describes which chemical reaction will have a higher reaction rate?
1)Chemical Reaction A will have a higher reaction rate, because its container has more thermal energy. This thermal energy will cause the reactants' particles to divide and take on a smaller surface area.
2)Chemical Reaction B will have a higher reaction rate, because its container has less thermal energy. This thermal energy will cause an increase in the motion and collisions of the reactants' particles.
3)Chemical Reaction B will have a higher reaction rate, because its container has less thermal energy. This thermal energy will cause the reactants' particle to divide and take on a smaller surface area.
4)Chemical Reaction A will have a higher reaction rate, because its container has more thermal energy. This thermal energy will cause an increase in the motion and collisions of the reactants' particles.
Answer: D) Chemical Reaction A will have a higher reaction rate because its container has more thermal energy. This thermal energy will cause an increase in the motion and collisions of the reactants' particles.
More heat = more reaction
Explanation: took the test got it right.
Chemical Reaction A, performed in a hot container, will have a higher reaction rate due to more thermal energy increasing reactants' particle motion and collision frequency, making reactions more likely to occur. Hence, the correct option is 4.
When considering Chemical Reaction A in a hot container and Chemical Reaction B in a cold container, using identical reactants, the reaction in the hot container (Chemical Reaction A) will have a higher reaction rate. This is because the increased thermal energy in Chemical Reaction A causes the reactants' particles to move more rapidly, resulting in a higher frequency of collisions and increasing the likelihood of these collisions being effective enough to surpass the activation energy barrier and form products. Therefore, among the given options, the correct description is:4)Chemical Reaction A will have a higher reaction rate because its container has more thermal energy. This thermal energy will cause an increase in the motion and collisions of the reactants' particles.
Which survivorship strategy is used by the type I species?
A. Having a short life span
B. Having a high birthrate
C. Dying mostly while young
D. Having few offspring
Answer c
Explanation:
Type I species use a survivorship strategy of having few offspring with high parental care, resulting in most offspring surviving into adulthood but increased mortality in older age.
The survivorship strategy used by Type I species is having few offspring and investing significantly in parental care to increase their survival. Species with a Type I survivorship curve, such as humans and most primates, see a high percentage of their offspring survive through early and middle years. This strategy means that death predominantly occurs in the older individuals of the species. For example, in humans, demographic data typically shows low mortality rates during childhood and middle age, followed by an increase in mortality in the elderly population.
Organisms with Type I curves are often large animals in relatively stable environments. They can afford to have fewer offspring because they invest substantial time and energy in ensuring that each offspring reaches maturity. This contrasts with Type III species, which have many offspring with the expectation that most will not survive to adulthood due to high juvenile mortality rates.
13)
The half-life of carbon-14 is 5730 years. Explain how to figure out the age of a substance that has 25% carbon-14 remaining.
A) Multiply 25% times 5730 years since only 25% of the carbon remains.
B) Divide 5730 years by 2 since carbon has gone through two half-lives.
C) Multiply 5730 years by 2 since two half-lives have gone by for carbon.
Eliminate
D) Multiply 4 times 5730 years since carbon has gone through 4 half-lives.
Multiply 5730 years by 2 since two half-lives have gone by for carbon.
Explanation:
The half-life of a radioactive isotope depicts the measure of time that it takes half of the isotope in an example decay. On account of radiocarbon dating, the half-existence of carbon 14 is 5,730 years
The half-life of carbon-14 is 5730 years.
In this manner, after
1 half-life there is 50 % = 1/2 of the first amount left.
2 half-lives there is 25 % = 1/4 of the first amount left.
25% is two half-lives.
Every 50% of life requires 5730 years.
So two half-lives require 2 × 5730
capillary action is the ability of water to travel up narrow tubes. true or false
Answer:
true
Explanation:
Adhesion of water to the walls of a vessel will cause an upward force on the liquid at the edges and result in a meniscus which turns upward. The surface tension acts to hold the surface intact. Capillary action occurs when the adhesion to the walls is stronger than the cohesive forces between the liquid molecules.
A student performed an experiment to test the
acidity of foods. Put the following steps in the order
they should occur.
The student
records the acidity of the food.
asks a question about food's acidity.
observes that there are acidic foods.
presents the results to the class.
prepares to conduct the experiment.
creates a hypothesis about the acidity.
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The steps of scientific method to be used are as follows:
Observes that there are acidic foods.
Asks a question about food's acidity.
Creates a hypothesis about the acidity.
Records the acidity of the food.
Observes that there are acidic foods.
Presents the results to the class.
Explanation:
The scientific method or problem solving approach or experiment to be conducted involves five necessary steps these are:
1. Make an observation: that there are acidic foods.
2. Ask a question to yourself: a question about food's acidity.
3. A hypothesis to be made or proposed: A hypothesis or an explanation for the acidity of food is made.
4. Predictions are made: acidity in the food source is recorded.
5. Testing of prediction or hypothesis is done: food samples tested and found that acid is present in them.
6. Iterate: If the result does not support the hypothesis made, new hypothesis is to be designed and if the result came as expected the hypothesis gets excepted and experiment is performed.
A human living now and a horse that lived thousands of years ago could:
O A. get their energy directly from the Sun.
O B. have some of the same DNA molecules.
O C. be made of some of the same matter
O D. use the same amount of energy to survive,
Answer:
C. be made of some of the same matter
Explanation:
The human beings living in the present time can be related to the horses that lived thousands of years ago.
This could be due to the fact that resources on the Earth were present in the past had been recycled again and again through the biogeochemical cycles.
This shows that the elements present on the Earth can be reused again and again and the elements which could have composed the horse now form the matter in the humans.
Thus, Option-C is correct.
How many nitrogen bases are needed to specify 4 amino acids? a. 3 b. 6 c. 9 d. 12
Answer: Option D is correct (12).
Explanation:
Codon is a set of DNA or RNA nucleotides so each amino acids are coded by 3 bases. For the specification of 4 amino acids, 12 bases are required. 3*4=12
Which statement does not describe an organism that reproduces asexually?
Some animals reproduce asexually by budding.
Meiosis is not involved in asexual reproduction.
Each offspring is identical the parent.
Male and female gametes are involved.
Answer: Male and female gametes are involved.
Explanation: Asexual reproduction is a type of reproduction in which one or more offspring is produced from a portion of a single parent without the involvement of the gametes or sex cells. It promotes rapid multiplication in many organisms and reduces the chances of introducing more variations into a population. Types of asexual reproduction include budding, fragmentation, spore formation and fission.
Final answer:
Asexual reproduction does not involve male and female gametes, does not involve meiosis, and produces genetically identical offspring.
Explanation:
Male and female gametes are involved. This statement does not describe an organism that reproduces asexually, as asexual reproduction does not involve the fusion of male and female gametes. Asexual reproduction, unlike sexual reproduction, produces genetically identical offspring without the need for gametes.
Meiosis is not involved in asexual reproduction. Asexual reproduction typically occurs through processes like budding, fission, or fragmentation, which do not require meiosis, unlike sexual reproduction, where meiosis is crucial in producing gametes.
Each offspring is identical to the parent. A key feature of asexual reproduction is the production of genetically identical offspring, making each offspring a clone of the parent organism.
Some animals do reproduce asexually through methods such as budding. Also, during asexual reproduction, meiosis is not involved; organisms reproduce through mitosis, ensuring that each offspring is an identical copy of the parent.
50 things that use electricity
Answer:
Cars
Lightbulbs
Laptops / Computers
Heating.
Cooling.
Water Heater.
Washer and Dryer.
Lights.
Refrigerator.
Electric Oven.
Dishwasher.
Cell phone charger: 1 W
Computer LCD monitor: 3.5 W
Desktop computer (off): 9.21 W
Desktop computer (sleeping): 83.3 W
Computer stereo speakers: 5.6 W
Plugged in laptop (not charging): 50 W
Fax machine: 8.72 W
Furnace: 9.8 W
Air Conditioner: 1 W
Ink jet printer: 4 W
Coffee maker: 2.7 W
Musical instruments: 4.2 W
Gas range: 1.7 W
Night light (off): 0.34 W
Surge protector: 6.3 W
Electrical toothbrush: N/A
Shaver: N/A
Explanation:
What is the image obtained by plotting dots, bars or lines to show scientific data
Answer:
it is a graph
Explanation:
A graph is the visual representation, achieved by plotting dots, bars, or lines, which represents scientific data. These can be line graphs, bar graphs, or scatter plots, each used for different purposes.
Explanation:The image obtained by plotting dots, bars, or lines to show scientific data is called a graph. Graphs are a visual representation of data, which help to understand the information in a much easier and quicker way than looking at raw numbers. There are several types of graphs like line graphs, bar graphs, and scatter plots. For instance, a line graph is used to demonstrate a change over time, a bar graph is used to compare different items, and a scatter plot is used to show the relationship between two variables.
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what is phototropism?
Answer:
Phototropism is the orientation of a plant or other organism in response to light, either toward the source of light (positive phototropism) or away from it (negative phototropism).
Explanation:
Answer: Growth towards or away from light
Explanation:
Why is it Important that the chromosomes are doubled before mitosis
Answer:
It is important for the doubling of chromosomes before mitosis because if they double then each daughter cell recieve same number of chromosome.
Explanation:
This doubling of chromosomes takes place in S phase I.e. synthesis where replication of chromosome occur.
The burning of fossil fuels provides energy for humans to use, but it also can have negative effects. For example, when large power plants burn fossil fuels, certain chemicals are released in the atmosphere that react with water vapor, resulting in acidic precipitation. This phenomenon is known as acid rain. Acid rain has had an adverse effect on ecosystem diversity throughout the world.
Which of the following would best decrease acid rain levels and reduce the human pollution impact on the environment?
A.
regulation of human outdoor activity
B.
chemical treatment of the soil that has been affected by acid rain
C.
chemical treatment of the water that has been affected by acid rain
D.
regulation of factory emissions
Answer:
The answer is D.
Explanation:
A has nothing to do with factories
B and C will treat the effects of acid rain, but won't stop more from coming.
D is the only one who will cut the problem off at its source.
I hope this helps!
Answer:
The answer would be D.
100 Points HELP ASAP
Answer no 1)
The cross between a homozygous red bull (RR) and a heterozygous red cow can be made as follows:
R r
R RR Rr
R RR Rr
The results from the experiment show that 50% of the genotype will be homozygous for red colour and 50% of the population will be heterozygous for the red colour. The phenotype will be 100% red.
Answer No 2)
Cross between a heterozygous red bull (Rr) and a heterozygous red cow (Rr)
can be shown as follows:
R r
R RR Rr
r Rr rr
The results show that the genotype will be 25 % homozygous dominant, 50% heterozygous and 25% homozygous recessive. The phenotype will show 75% dominant trait (red) and 25% recessive trait (white).
Answer No 3)
The cross between a homozygous white bull (rr) and a homozygous white cow (rr) can be shown as follows:
r r
r rr rr
r rr rr
The results from the punnet square show that the genotype of all the offsprings will be homozygous recessive (rr) and the phenotype will be recessive ( white).
Answer:
The results from the punnet square show that the genotype of all the offsprings will be homozygous recessive (rr) and the phenotype will be recessive ( white).
Explanation:
Why doesn't the original grass remain the dominant plant on the sand dune
Answer:
NEW PLANTS ARE BETTER SUITED TO THE NEW CONDITIONS IN THE SAND DUNE HABITAT
Explanation:
Which of the following energy forms is not involved in hitting a tennis ball?
a. kinetic energy
e gravitational potential energy
b. chemical potential energy
d. elastic potential energy
tantial energy is that
Answer:
I do think elastic potential energy
Answer:
Its d
Explanation:
i belive so
help please im not sure if my answer is correct i think it might be the first one tho
Answer:
I would also go with Answer A
Explanation:
The object is for sure moving because as time goes on it goes farther in distance but the rate it's increasing in is constant.
Why is the stereoscopic (3-D), binocular vision made possible by the forward facing eyes of the monkey advantageous to primates?
Why is this feature not as important for cats?
Answer:
Binocular vision allows an animal to see and judge depth. Predators need this depth perception to track and pursue prey. In short, forward-facing eyes allowed our ancestors to see through the dense leaves and branches in their forest habitat.
It is not as important for cats because they have an acute sense of hearing and smell along with good eyesight.
Explanation: