The adrenal gland helps to maintain homeostasis by producing hormones that regulate metabolism, stress response, and other bodily processes.
What exactly is homeostasis?
Homeostasis is the ability of a living organism or system to regulate its internal environment to maintain a stable equilibrium, such as temperature or pH, despite changes in external conditions. It is a crucial factor in allowing organisms to function normally in their environment.
The pineal gland helps to maintain homeostasis by secreting melatonin which helps to regulate the body’s circadian rhythm and helps to regulate sleep and wake cycles. Together, these two glands help to keep the body in a balanced, homeostatic state.
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Part A According to data presented in this chapter, which of the following statements is correct? Species are created independently of each other and do not change over time. The traits of populations become more perfect over time O Individuals -not populations -change when natural selection occurs. O When individuals change in response to challenges from the environment, their altered traits are not passed on to offspring. SubmitR Request Answer Provide Feedback
The correct statement is c)Populations - not individuals - change when natural selection occurs..So,correct option is c.
Natural Selection follows up on a life form's aggregate, or noticeable elements. Aggregate is many times to a great extent a result of genotype (the alleles, or quality forms, the living being conveys). At the point when an aggregate created by specific alleles helps organic entities make due and duplicate better compared to their friends, normal determination can build the recurrence of the supportive alleles starting with one age then onto the next - that is, it can cause microevolution.
Some important steps involved in evolution of natural selection
Natural Selection can cause microevolution (change in allele frequencies), with wellness expanding alleles turning out to be more normal in the populace.Wellness is a proportion of conceptive achievement (the number of posterity an organic entity leaves in the future, comparative with others in the gathering).Natural Selection can follow up not entirely settled by elective alleles of a solitary quality, or on polygenic (still up in the air by numerous qualities).Natural Selection not entirely settled by different qualities might appear as balancing out choice, directional determination, or troublesome choice.Hence,correct choice is c.
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(Complete question) is:
According to data presented in this chapter, which one of the following statements is correct?
a. When individuals change in response to challenges from the environment, their altered traits are passed on to offspring.
b. Species are created independently of each other and do not change over time.
c. Populations - not individuals - change when natural selection occurs.
d. The traits of populations become more perfect over time.
Kim learns how rocks can change from one type into another over a long period of time. She knows that a rock that undergoes extreme heat and pressure below the surface of Earth can be turned into a metamorphic rock. What processes could cause a metamorphic rock to return to the surface of Earth to be worn down again?
Choose the two that apply.
A. deposition
B. plate movement
C. chemical changes
D. wind or water erosion
How much has the sea level risen between 1901 and 2010? a 7.5 feet b 7.5 inches c 12.6 inches d 2.5 feet
Answer:
From 1901 to 2010, global sea levels rose an estimated 187 millimeters (mm; 7.4 inches), averaging a 1.7 mm rise annually; estimates are that from 1992 to 2010, the rate increased to 3.2 mm annually.
I Need Help From Science
Why do temperatures in the mesosphere decreases as altitude increases?
Answer:
due to decreasing absorption of solar radiation by the rarefied atmosphere and increasing cooling by CO2 radiative emission.
Explanation:
Within the mesosphere, temperature decreases with increasing height, due to decreasing absorption of solar radiation by the rarefied atmosphere and increasing cooling by CO2 radiative emission.
uhhhh i need help. thank you:)
Answer:
the answer is.... c.........
please help me
Although cells come in many sizes and shapes, they all must maintain homeostasis. Which of the following is part of homeostasis? A. obtaining nutrients and getting rid of wastes B. allowing variable sugar or salt levels C. tolerating uncontrolled growth D. enduring erratic gain or loss of water
Answer:
A. Obtaining nutrients and getting rid of waste
Which of the following levels of organization is the least complex?
a. Cell
b. Organ
c. Tissue
d. Individual organism
Communication is the exchange of information. Investigations usually start
and end with communication. Which of the following steps in communication
is a scientist likely to take after completing an investigation?
A. Write a letter to the local newspaper announcing the results.
B. Do background research.
C. Discuss the results with scientists who have performed similar
investigations.
D. Form a hypothesis
HELP PLEASE A-PEX!!!
Describe the process in eukaryotes that ensures that the number or chromosomes will not aouble from
parent to orspring wen gametes ruse auring fertilization
Answer:
The process in eukaryotes that ensures that the number of chromosomes will not double from parent to offspring when gametes fuse during fertilization is called meiosis. During meiosis, the number of chromosomes is reduced by half through a process of cell division. This process is known as meiotic division and involves two rounds of cell division. During the first round, homologous chromosomes are separated from each other and during the second round, sister chromatids are separated from each other. This ensures that each gamete only contains one copy of each chromosome, thus preventing the number of chromosomes from doubling when the two gametes fuse during fertilization.
Explanation:
Hemoglobin is a protein found in vertebrate blood. Human and
chimpanzees have the same sequence of amino acids in their
hemoglobin. Humans and monkeys have 96% similarity in their
hemoglobin sequences. From this information a biologist can conclude
that
O monkeys and chimpanzees are more closely related than humans and
chimpanzees.
O humans and chimpanzees shared a common ancestor more recently than
humans and monkeys.
O humans and chimpanzees shared a common ancestor with monkeys more
recently than with each other.
O hemoglobin is important for primates.
What conclusion is on Mendelian genetics?
The conclusion of Mendelian genetics emphasizes particulate factors which are the determinants of inherited traits. These factors are referred to as genes. Each parent's cell contains a pair of genes for each trait under investigation. One allele for the dominant phenotype and one for the recessive phenotype are present in the F1 offspring of a cross of two pure lines.
In the 19th century, Mendel performed thousands of experiments with pea plants. He came to the further conclusion that genes are inherited as distinct, paired units from each parent. Mendel studied how parental genes diverged and whether they manifested in the offspring as dominant or recessive traits. The passing of mathematical patterns from one generation to the next was something he was aware of.
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Example of Gateaway drugs
Depressants
Stimulants
Narcotics
Hallucinogens
Inhalants
Answer:
hallucinogens
Explanation:
they make one to hallucinate.
When shellfish ingest dinoflagellates, a) they turn red. b) they can become poisonous. c) they enter into a symbiotic relationship.
When shellfish ingest dinoflagellates, a) they turn red. So,correct option is a.
Red tides are conditions when a dinoflagellate ingest builds to such gigantic numbers that it stains the water. This "sprout" might be brought about by supplement and hydrographic circumstances, albeit the natural circumstances which bring about red tides are not totally perceived. For dinoflagellate red tides, the water is stained red or brown due to as high as 20 million cells for every liter. These red tides are made fundamentally out of one types of dinoflagellate that has been quickly developing and gathering.
The dinoflagellates are a monophyletic gathering of single-celled eukaryotes comprising the phylum Dinoflagellata and are generally viewed as green growth. Dinoflagellates are generally marine tiny fish, yet they likewise are normal in freshwater natural surroundings. Their populaces differ with ocean surface temperature, saltiness, and profundity. Many dinoflagellates are photosynthetic, yet a huge part of these are truth be told mixotrophic, consolidating photosynthesis with ingestion of prey (phagotrophy and myzocytosis).
Hence,correct option is a.
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Got it wrong the first time, I’m not sure and I only have 1 attempt left
It’s not survive & reproduce, and die
As habitats change, some organisms survive and reproduce, move out of the habitat, die options are correct.
How do animals adapt to changing environmental conditions?There are only three ways for animals to respond to climate change: they can move, adapt, or die. In an effort to escape the warming temperatures, many animals are moving to higher altitudes and latitudes, but most species may not be able to outrun the changing climate in time.
Alteration of the local environmental conditions that a specific organism lives in. Natural occurrences that can change habitat include droughts, illnesses, fires, hurricanes, mudslides, volcanoes, earthquakes, slight variations in seasonal temperature or precipitation, etc.
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What is the genotypic ratio of dihybrid cross of round yellow?
The genotypic ratio of dihybrid cross of round yellow is 9:3:3:1 .
Mendel noticed that his dihybrid cross' F2 offspring had a 9:3:3:1 ratio and produced nine plants with round, yellow seeds, three plants with round, green seeds, three plants with wrinkled, yellow seeds, and one plant with wrinkled, green seeds.
An organism's genotype is made up of all of its genetic components. [1] The term "genotype" can also be used to describe the alleles or genetic variations that a person carries in a certain gene or genetic region. [2] The ploidy, or number of copies of each chromosome, found in that species, determines how many alleles a person can have for a given gene.
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State one reason for transport system in plants.
Answer:
Transportation is the process that involves the movement of water and necessary nutrients to all parts of the plant for its survival.
Explanation:
Transportation is a vital process in plants. Trees transport all the nutrients and water it needs for survival from its roots to the tips of the leaves.
What does nucleotrophic mean?
What changes occur to voltage-gated Na+ and K+ channels at the peak of depolarization?
O Inactivation gates of voltage-gated Na+ channels close, while inactivation gates of voltage-gated K+ channels open.
O Inactivation gates of voltage-gated Na+ channels close, while activation gates of voltage-gated K+ channels open.
O Activation gates of voltage-gated Na+ channels close, while activation gates of voltage-gated K+ channels open.
At the peak of depolarization, voltage-gated Na+ and K+ channels undergo a series of changes. Specifically, the inactivation gates of voltage-gated Na+ channels close and the inactivation gates of voltage-gated K+ channels open.
This allows for the flow of Na+ ions into the cell and K+ ions out of the cell, thus creating an electrical potential difference across the plasma membrane. The closing of the inactivation gates of voltage-gated Na+ channels is an important step in depolarization, as it allows for the influx of Na+ ions into the cell.
This influx of Na+ ions causes the cell to become more positively charged and thus more depolarized. The opening of the inactivation gates of voltage-gated K+ channels also plays an important role in depolarization, as it allows for the efflux of K+ ions out of the cell. This efflux of K+ ions causes the cell to become more negatively charged and thus more depolarized.
In addition to the inactivation gates of voltage-gated Na+ and K+ channels, the activation gates of these channels also undergo changes at the peak of depolarization. Specifically, the activation gates of voltage-gated Na+ channels close and the activation gates of voltage-gated K+ channels open. This allows for the influx of Na+ ions into the cell and the efflux of K+ ions out of the cell, further contributing to the depolarization of the cell.
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What is the final set of instructions that the virus gives an infected cell so that more viral particles may be released into the body
These newly formed biological molecules are arranged into virus particles, which eventually mature into infectious virions. Finally, the virions are discharged from the cell, allowing the infection to continue.
The viral life cycle is divided into six stages: attachment, penetration, uncoating, gene expression and replication, assembly, and release.
In contrast, all viral particles have a protein coat that covers and protects a nucleic acid genome. The instructions for building the capsid's protein components are stored in the virus's nucleic acid genome.
The viral genome then takes control of the host cell's machinery, forcing it to replicate the viral genome and produce viral proteins in order to build new capsids..
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What was indicated in the Mendel's first hypothesis?
Mendel was greatly involved in the field of genetics, and provided first hypothesis or law named as law of segregation.
Mendel's First Law, also known as the Law of Segregation, states that the alleles for a trait separate during the formation of gametes and randomly unite at fertilization. This means that when two parents with different alleles for a trait produce offspring, each offspring will receive one allele from each parent. This law helps to explain why certain traits are inherited, as well as why the ratio of certain traits can be predicted.
The Mendel made all the observation for the hypothesis or law using Pea plant, that was the best model he selected by careful observation skill that he possessed. The Law of segregation was proven by the pea plant as plant producing violet flower having heterozygous condition could give rise to white flowers in next generation, confidently explaining the process of segregation.
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which of the following is true about renewable resources?
a. they can never run out as they come back quickly
b. they are never natural resources
c. they can be limiting resources if their use is quicker than their renewal.
D. they are typically abuotic and run out quickly
Answer:
the answer is A. they can never run out as they come back quickly
Explanation:
renewable it renews itself it comes back. solar power, wind, thermal, and water are all examples of renewable energy
What is a non-renewable resource?
A. A resource that has already been used up
B. A resource that is infinitely abundant
C. A resource generated at a rate that is much faster than it is used
D. A resource generated at a rate that is much slower than it is used
Answer:
a
Explanation:
Answer: D
Explanation: resources are called non-renewable not because they have been completely used up or will never replenish but because they take a long time ie about thousands or millions of years to replenish.
how many codons do you need for five amino acids
In the diagram, which organism is a producer?
all of these answer
dandelion
wheat
clover
Answer:
since it says producer im thinking maybe wheat because you can eat wheat, it has to be wheat
Explanation:
How does carbon dioxide affect whales?
Whales accumulate carbon in their bodies during their long lifespans. When they die, they sink to the bottom of the ocean. Each large whale binds an average of 33 tons of carbon dioxide and removes this carbon from the atmosphere over centuries. Trees, on the other hand, only absorb up to 48 pounds of CO2 per year.
Rapid global warming has led to habitat loss for whales and dolphins, increasing competition for fewer and fewer prey species. It affects the timing and extent of migration, distribution and even fertility.
Scientists call large whales "ecosystem engineers." Research shows that whales cycle nutrients in the oceans, help produce the oxygen we breathe, and play an important role in mitigating greenhouse gases. Whales are not only amazing, they are breathtaking.
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norganic nutrients that are NOT broken down by the human body or destroyed by heat or light are called
Minerals are not digested or broken down because they are already in their purest form. They are taken in whole, transported about the body for different purposes, and eventually expelled.
Despite being categorized as micronutrients, vitamins and minerals differ greatly from one another. Organic compounds like vitamins decay in the presence of heat, air, or acid. Minerals are inorganic materials having a consistent chemical composition.
Vitamin C and the B-complex vitamins B6, B12, and folate are examples of water-soluble vitamins that must dissolve in water in order to be absorbed by the body and cannot thus be stored. Any water-soluble vitamins that the body does not absorb are primarily excreted in urine.
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hey! pls help i’ll give brainliest
Answer:
I think the answer is not building towns near the edge of a tectonic plate?
Explanation:
Hope this helps!! :)
A species of plant lives in the habitat of large leaf-eating herbivores, such as deer. How may it leaves become adapted to help the species survive?
They have leaves with thorns or leaves that have been modified to contain thorns. Additionally, they feature large, bulky leaves that are used to store reserpine or other alkaline compounds like latex.
Are humans a species?The billions of individuals that currently inhabit the earth are all descendants of one species, Homo sapiens. Just like other animals, humans vary among themselves in terms from everything from height and looks to skin tone and eye color. But by a significant percentage, our commonalities outweigh our differences.
What are the names of common species?Most evolutionary scientists make the distinction between one species and another based on effort to start: if two individuals of a different species marry, the offspring are frequently sterile, unviable, or have some other decreased fitness.
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Which of the following is a true statement regarding photoreceptors? Check all that apply a. Rods are responsible for night vision. b. Rods are associated with photopic vision. c. Cones are associated with color vision. d. There are more cones than rods e. Cones function in brighter light.
the following is a true statement regarding photoreceptors is Rods are responsible for night vision.
What are the two types of photoreceptors?Two types of photoreceptors reside in the retina: cones and rods. The cones are responsible for daytime vision, while the rods respond under dark conditions. The cones come in three varieties: L, M, and S types.
What do rod photoreceptors detect?Photoreceptors in the retina are classified into two groups, named after their physical morphologies. Rod cells are highly sensitive to light and function in nightvision, whereas cone cells are capable of detecting a wide spectrum of light photons and are responsible for colour vision.
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The true statement about photoreceptors is-"Rods are responsible for night vision".
What are the four photoreceptors present in the eyes?There are four photoreceptor types in the human retina- Short-wavelength cones (blue), medium-wavelength cones (green), long-wavelength cones (red) and rods.
What is the main function of photoreceptors?Photoreceptors are specialized neurons found in the retina that convert light into electrical signals that stimulate physiological processes. Signals from the photoreceptors are sent through the optic nerve to the brain for processing.
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Recreate the sequence that occurs in the carbon cycle beginning with carbon dioxide gas.
Our atmosphere also contains it as carbon dioxide, or CO2. Calcium, magnesium, potassium, or sodium ions are released as the acid dissolves the rocks, a process known as chemical weathering.
What carbon cycle beginning with carbon dioxide gas?As carbon dioxide, or CO2, it is also present in our atmosphere. Rain starts the transfer of carbon from the atmosphere to the rocks, or lithosphere. Rain is a result of the weak acid, carbonic acid, which is created when atmospheric carbon and water interact.
Therefore, When animals perish, volcanoes erupt, fires burn, fossil fuels are consumed, among other processes, carbon is released back into the atmosphere.
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