Answer: deserts
Explanation:
Deep ocean habitats are typically the abyssal floors which consists of very few nutrients and this region receives very low sunlight and even no sunlight this results in scanty growth of plants just like deserts. As the plant growth is scanty the animals and zooplankton population dependent upon plants is also low.
It is Deserts..................................
what two things can help reduce the effects of droughts
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Answer:
constructing dams and building desalination plants help reduce the effects of droughts
Explanation:
Answer:
Constructing dams.
Building desalination plants.
Explanation:
These are two ways in which the effect of droughts can be reduced. Although droughts cannot truly be stopped, or prevented, we are able to diminish their effects through these measures. By constructing dams and building desalination plants we can ensure that people who live in the affected areas have enough fresh water to survive, regardless of the drought.
What is the phase change from liquid to gas
Answer:vapor is gas and water is liquid so when you boil water it turns in to vapor
Explanation:
Answer: vaporization
Explanation:
The tectonic and rock cycles recycle the lithosphere. The tectonic cycle includes the processes of seafloor spreading, subduction, and mantle convection. The rock cycle includes the processes of _____. weathering, sedimentation, and assimilation weathering, erosion, cremation, and metamorphism erosion, condensation, nitrification, and tectonic activity weathering, erosion, sedimentation, and metamorphism
Answer:
Weathering, erosion, sedimentation, and metamorphism (Last statement)
Explanation:
The rock cycle contains these processes. The rock cycle depicts how rocks can change from one type of rock to the other. They do not necessarily have to follow a specific order, but these process aid in transforming one rock to another type of rock.
For example, an igneous rock can tuen into sedimentary rocks through weathering and erosion first. When the rock is broken down into pieces called sediments, , these sediments settle through the process of sedimentation. If enough sediment accumulates, it eventually forms a sedimentary rock. If the same rock eventually is subjected to immense heat and pressure, the process of metamorphism can occur, which turns it into a metamorphic rock.
Answer:
the answer is Weathering, erosion, sedimentation, and metamorphism
Explanation:
Guard cells control which event?
the growth of plants
capture of solar energy
gas exchange in leaves
water absorption in roots
Guard cells control the massive amounts of gaseous exchange that takes place through the small pores known as stomata. Thus, the correct option for this question is C.
What are Guard cells?Guard cells may be defined as the kidney-shaped cells that envelop the stomata and are responsible for opening and closing of the stomatal pore.
A large amount of water is lost as a result of the opening of stomata for a long time, so the plant closes these pores when they do not need carbon dioxide for photosynthesis.
The guard cells swell when water flows into them, causing the stomatal pore to open, while the guard cell shrinks when water flows away from them, causing the stomatal pore to close.
Therefore, Guard cells control the massive amounts of gaseous exchange that takes place through the small pores known as stomata. Thus, the correct option for this question is C.
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Helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp!!!!!!!!!
Answer:
litmus paper is b
acid is A
base is D
an ph is c
Explanation:
The process by which a population becomes better suited to its environment is known as ?
Answer:
adaptation
Explanation:
Hormones are chemical molecules produced by glands. Vasopressin is a hormone secreted by the cells of the hypothalamus, a part of the brain. The hormone regulates homeostasis through its effect on the kidney cells. Which statement is true based on this information?
A.
All cells in the human body produce the same types of hormones.
B.
Specialized cells allow for different organs to work together to perform a function.
C.
Cells can work together only if they’re located in the same area of the body.
D.
All cells in the human body have the same structure and function.
Answer:
The statement that is true is B. Specialized cells allow for different organs to work together to perform a function.
Explanation:
The phenomenon of cell differentiation allows different cells to have contrasting structures and functions. Each cell can be shaped according to its function based on this phenomenon. For example the erythrocytes have a hollow structure which allows it to carry oxygen from the lungs to other parts of the body.
Specialized cells that work together form tissues. For eg, the epithelial cells from the skin and small intestine form the epithelial tissue which functions to protect the body surfaces. And tissues work together to form organs, and different organs work together due to the functioning of specialized cells.
Answer:
B
Explanation:
6.
The blood component that has the greatest affinity for oxygen is the
a) Lymphocyte" (b) Leucocytes (c) Erythrocytes (d)
Thrombocyte
Answer:c
Explanation:
the question is asking for another name for red blood cells since they bind with oxygen and hemoglobin in our body.
The component of blood with the greatest affinity for oxygen is the erythrocyte, or red blood cell. This is because erythrocytes contain a protein called hemoglobin that binds to oxygen, enabling it to be transported from the lungs to the body's tissues.
Explanation:The blood component that has the greatest affinity for oxygen is the Erythrocyte (c). Erythrocytes, also known as red blood cells, are the primary transporters of oxygen in the blood. They contain a protein called hemoglobin that has a high affinity for binding to oxygen, making it essential for carrying oxygen from the lungs to tissues throughout the body.
Lymphocytes (option a) are a type of white blood cell involved in the immune response, Leucocytes (option b) is a general term for all types of white blood cells, and Thrombocytes (option d), also known as platelets, are involved in blood clotting. However, none of these other components bind oxygen like erythrocytes do.
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Which neurotransmitter is typically reduced in someone who suffers from depression, and is a primary target of anti-depressant medications?
When an individual is in a depressed state, the neurotransmitters serotonin, norepinephrine and dopamine are all reduced in the brain. However, since the compound that is a primary target of anti-depressant medications is serotine, said transmitter is your answer.
Answer:
Serotonin.
Explanation:
depression can be treated by targeting increase serotonin in the synaptic cleft with help of SSRIs and MAOi.
3. Most animals and plants reproduce sexually. This means that DNA is passed down to new organisms from two parental organisms
Which of the following is a key advantage of sexual reproduction?
A. Increased genetic diversity for changing environments
B. The creation of new genes to improve survival
C. The receipt of the strongest genes from both parents for survival
D. The elimination of genetic mutations from a parent organism
Answer:
The correct option is A.
Explanation:
There are two basic types of reproduction, they are asexual and sexual reproduction. Asexual reproduction involves the division of a mature organism into two different organisms through binary fission or other forms of asexual reproduction. In this case the offspring is similar both physically and genetically to the parent organism. There is no genetic diversity in this case and the same disease can easily wipe out the entire population of the organism.
Sexual reproduction on the other hand requires two different organisms. During the reproductive process the genetic materials from the two organisms get mixed up thoroughly, so they end up giving birth to offspring that are quite different from them genetically.
The diversity in genetics makes it possible for the offspring to cope with changing environmental conditions. Because, the offspring are diverse in constitution, some offspring will always be able to survive harsh environmental conditions due to their genetic make up.
Answer:
The Option A is correct i.e.
Sexual organisms increases genetic diversity for changing environments
Explanation:
Reproduction is the biological process by which new organisms are produced from their parents.
In asexual reproduction, an organism can reproduce without the involvement of another organism. By asexual reproduction, an organism creates a genetically similar or identical copy of itself.
Sexual reproduction typically requires the sexual interaction of two specialized organisms, called gametes, which contain half the number of chromosomes of normal cells and are created by meiosis, with typically a male fertilizing a female of the same species to create a fertilized zygote. This produces offspring organisms whose genetic characteristics are derived from those of the two parental organisms.
The diversity in genetics makes it possible for the offspring to cope with changing environmental conditions. Because, the offspring are diverse in constitution, some offspring will always be able to survive harsh environmental conditions due to their genetic make up.
Which chemical reaction shows photosynthesis? A. water + carbon dioxide + sunlight → oxygen + glucose B. carbon + oxygen → carbon dioxide C. hydrogen + oxygen → water D. nitrogen + hydrogen → ammonia
Answer:
The correct answer is A
Have a good day :)
Explanation:
Answer:
A
Explanation:
plants need sunshine to grow that`s how they eat and A is the only one that shows sunlight.
which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand
Answer:
I think it is: c. blood vessels in the skin narrow and contract.
Please mark brainliest if correct. :)
Hope this helps
Explanation:
Answer: Option c
Explanation: Vasoconstriction takes place during winters. During the time of winters if someone steps out of the house without coat, there will be some visible changes.
The blood vessels become narrow and lessens the amount of blood supply to the surface that is exposed to the environment, this is done to reduce the heat loss by the body.
In general, are there any major differences that you can see? Explain
Prokaryotes lack a true nucleus, membrane-bound organelles, and are typically single-celled.
Eukaryotes have a nucleus, organelles, and can be single-celled or multicellular.
Nucleus: One of the most fundamental distinctions is the presence of a true nucleus. Prokaryotes, including bacteria and archaea, lack a membrane-bound nucleus.
Membrane-Bound Organelles: Eukaryotic cells contain various membrane-bound organelles, such as the endoplasmic reticulum, Golgi apparatus, mitochondria, and chloroplasts (in plants). Prokaryotes have very few organelles and typically lack these membrane-bound structures.
Cell Size: Prokaryotic cells are generally smaller and simpler than eukaryotic cells, which can be much larger and more complex.
Cell Division: Prokaryotes usually reproduce asexually through binary fission, while eukaryotes have more complex modes of cell division, including mitosis and meiosis.
Genetic Material: In prokaryotes, the genetic material is typically a single circular DNA molecule. Eukaryotes have multiple linear DNA molecules.
Ribosomes: Ribosomes are the cellular structures responsible for protein synthesis. While both prokaryotes and eukaryotes have ribosomes, their sizes and compositions differ.
Membrane Structure: The plasma membrane of prokaryotes contains a different type of lipid and lacks sterols (except in some archaea) compared to eukaryotes.
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Question
What are the differences between prokaryotes and eukaryotes?
Which of the following is a correct statement about human evolution?
A.Humans did not evolve
B.Humans have evolved and continue to evolve
C.Humans evolved until about 5 million years ago, but no longer evolve
DHumans have evolved and continue to evolve socially, but not biologically
Humans have evolved and have also continued to evolve as the years go by.
What is evolution?The term evolution refers to the chages that occur as an organism changes from one form to another. These changes take millions of years.
Humans have a rich history of evolution and have also continued to evolve as the years go by.
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Which best describes the role of nitrogen in the human body?
O
A. Makes up 1.5% of the human body
O
B. Transfers energy in cells
O
C. Makes energy in cells
O
D. Main ingredient of protein
SUBMIT
Answer:
C. Makes energy in cells
Explanation:
Nitrogen has the role of making energy in cells of the human body.
Answer: Option D
Explanation:
Nitrogen is present in atmosphere in abundant amount. It is present in gaseous state in atmosphere.
Nitrogen is found inside body in proteins. It helps in protein synthesis and is a major component of protein.
Amino acids are the building blocks of all the proteins. Nitrogen in body is also present in the form of urea. So, it an important component inside body.
after the stomach which comes next in the alimentary canal
A. esophagus
B. large intestine
C. mouth
D. small intestine
Answer:
its the large intestine
Explanation:
why would a small intestine come after a small intestine, no disrespect
The small intestine follows the stomach in the alimentary canal.
What is alimentary canal?
The alimentary canal is typically understood to be the route taken by food as it enters our bodies and exits through the anus after being digested.
It is made up of a tube-like structure that extends from the mouth to the anus.
The digestive tract, which also refers to the alimentary canal, is crucial to human digestion.
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is a fossil fem that helped support Wegener's hypothesis of continental drift
A. Gondwanded
B. Kannemerid
C. Mesosaurus
D. Glossopters
Where can you find prokaryotic and eukaryotic cells?
Answer:
Prokaryotic cells can be found in an area of the cell called the nucleoid. Eukaryotic cells can be found mainly in multicellular organisms.
Explanation:
When gametes are produced from a parent cell during normal meiosis, which of the following describes the number of chromosomes in each resulting cell?
A) each resulting cell has the same number of chromosomes as the parent cell
B) Each resulting cell has twice the number of chromosomes as the parent cell
C) Each resulting cell has one half the number of chromosomes as the parent cell.
D) Each resulting cell has one fourth the number of chromosomes as the parent cell
Answer:
C
Explanation:
Each daughter cell is haploid, because it has half the number of chromosomes as the original parent cell.
During meiosis, each gamete produced has half the number of chromosomes as the parent cell, ensuring the correct number in offspring after fertilization.
Explanation:When gametes are produced from a parent cell during normal meiosis, each resulting cell has half the number of chromosomes as the parent cell.
So, the correct option is:
C) Each resulting cell has one half the number of chromosomes as the parent cell.
Meiosis is a specialized cell division process that reduces the chromosome number by half, leading to the formation of haploid gametes (sperm and egg cells) in animals. In humans, for example, somatic cells are diploid, meaning they have two sets of chromosomes, while gametes are haploid, containing one set of chromosomes. This reduction in chromosome number is crucial for sexual reproduction when two haploid gametes (sperm and egg) fuse to form a diploid zygote during fertilization.
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Beth broke her ankle bone. The doctor gives her a
brochure on foods she can eat to help restore the
health of her bones. Which element will help Beth
strengthen the bone?
A. Carbon
B. phosphorus
C. Nitrogen
Answer:
B
Explanation:
Several dietary minerals contribute to bone strength, but calcium and phosphorus are the most important minerals for strong bones. ... These two minerals work together to keep bones strong and prevent osteoporosis, a bone-thinning disease. ...
Answer:
B
Explanation:
Cumulus and cumulonimbus clouds are most likely to be formed by a _______ front
occluded
warm
stationary
cold
Answer:
cold
Explanation:
What prevents lipids from mixing with water?
A. Water and lipids are both polar.
B, Water and lipids are both nonpolar.
C. Lipids are polar, but water is nonpolar.
D. Water is polar, but lipids are nonpolar.
Answer:
option D is answer
Explanation:
because water is polar and lipid is non polar, so it is insoluble in water that is it floats water.
The nonpolar nature of lipids prevents them from mixing with the polar nature of water. Thus option D is correct.
What are lipids?Lipids are a diverse group of organic compounds which is soluble in nonpolar solvents like ether, benzene, and chloroform while insoluble in water.
Being hydrophobic in nature, lipids do not interact with water to form bonds and are attached to water molecules. Hence, it remains insoluble in polar solvents like water.
Therefore, the correct option for this question is D.
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8. What is a reaction center?
A an electron carrier that transports electrons to the dark reaction
B a carbohydrate molecule that is produced during photosynthesis
O
C
a high-energy molecule that acts as the energy currency for the cell
D a pigment molecule that transfers electrons during the light reaction
Whitch letter is it a, b, c, or d
Answer:
a pigment molecule that transfers electrons during the light reaction-D
Answer:
The correct answer is option D pigment molecule that transfers electrons during the light reaction
Explanation:
A photosynthetic reaction center is a complex molecule formed of proteins, chlorophyll pigment and other co-factors present in the photo-system.
These reaction centers are present in the photosystems which are found in the thylakoid membranes of plants, algae and cytoplasm of cyanobacteria.
Reaction center converts the light energy absorbed by the pigment molecule called chlorophyll in plants which energize the electrons and bring them in motion thus, start a chain of electrons passing energy to higher electrons.
Thus, option D pigment molecule that transfers electrons during the light reaction is the correct answer.
Which of these Earth systems is most responsible for the increases in global warming?
Biosphere
Geosphere
Cryosphere
Exosphere
The biosphere is the Earth's system that is most responsible for the increases in global warming. Thus, the correct option is A.
What is Biosphere?The Biosphere may be defined as the part or region of the earth's surface where living organisms live and interact with each other. It comprises all the ecosystems that existed on Earth.
This is the region where various greenhouse gases are significantly emitted due to humans or any other living activity and get absorbed by various layers of atmosphere.
Such greenhouse gases are responsible for the causation of global warming across the globe.
Therefore, the biosphere is the Earth's system that is most responsible for the increase in global warming. Thus, the correct option is A.
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What happens when a Chlorine atom gains an electron its outer energy shell
Answer:
It becomes an ion, specifically an ANION.
Explanation:
A stable Chlorine atom would be neutral, or it would have no charge. This means that there is an equal number of electrons and protons (17 to be specific).
When a stable atoms gains or loses an electron, it's charge will not be neutral anymore because there would either be more electrons, than protons; or more protons than electrons.
In the case of your problem, there would be more electrons, so when electrons outnumber the protons, then the atom becomes negatively charged. A negatively charged ion is called an ANION.
Neutral ANION
Cl → Cl⁻
Question 1 of 10
2 Points
Which best describes adaptive radiation?
O
A. Geographical isolation caused by an adaptation
O
B. Biodiversity resulting from few ancestors
O
C. A decrease in the rate of speciation
D. Adaptations that organisms teach each other
The best choice would be B.
Adaptive radiation describes the rapid evolutionary diversification(speciation) of a single ancestral line.
What is the purpose of the biogeochemical cycles?
A to cycle energy through a food chain
B to recycle matter through the biosphere
C to recycle rocks through the layers of Earth
D to cycle nutrients through the human body
Answer:
B to recycle matter through the biosphere
Explanation:
The biogeochemical cycle describes how elements and compounds moves between the living and non-living component of the biosphere.
The cycle shows how matter which are composed of elements and compounds moves through various part of our world. In short, the cycle constantly proves that no matter is lost or destroyed. They are actually recycled. Elements such as hydrogen, oxygen, phosphorus, carbon, nitrogen are constantly being recycled as no new ones are formed. The biogeochemical cycle provides a vivid explanation as to why this occurs.
What is the atomic mass of the element cobalt (Co)?
Answer:
59
Explanation:
The mass number of an atom is usually the sum of the protons and neutrons in its nucleus. The common isotope of Cobalt has 27 protons and 32 neutrons. However, there are several other isotopes (less stable) of cobalt with a higher mass number such as cobalt-60.
A dietician examines the diet of a patient who is complaining that he is unable to build muscle mass. The patient eats mainly fresh fruits, vegetables, pasta, bread, and some fats and oils.
Which type of supplement will the dietician most likely recommend?
Answer:
Protein
or Potassium
Explanation:
Answer:
The correct answer would be protein as a source of amino acids.
Explanation:
Proteins are the major source of amino acids. These are said to have a key role in building muscle mass. Proteins can be obtained from the egg, red meat, tofu and cheese, and other sources. Potassium is also a great muscle building nutrient.
In different protein supplements L-leucine, L-isoleucine and L-valine, branched-chain amino acids are present which is used by bodybuilders.
Thus, the correct answer would be Protein.
Fatty acids are the basic unit of which macromolecules?
O
A. Proteins
O
B. Lipids
O
c. Carbohydrates
O
D. Nucleic acids
Answer: B. Lipids
Explanation:
Lipids, popularly called fats, are insoluble in water consisting of several substances, including fatty acids. Fatty acids are carboxylic acids with hydrocarbon chains, classified by carbon chain length (short, medium and long-chain), the presence and number of double bonds (saturated and unsaturated) and the configuration of double bonds (cis and trans). Lipids, are composed of a series of substances that play different roles in the body and whose main characteristic is insolubility in water.