Answer:
ExplanEcology is the study of how organisms interact with their environment, including both abiotic (non-living) and biotic (living) aspects of the environment. It is a very broad definition and the science of ecology tends to overlap other biological sciences.ation:
Answer:
Ecology
Explanation:
Ecology is the study of living things and their interactions with each other and their environment.
Which level of organization is shown in the diagram?
O organ
O tissue
O organ system
O cell
Organ level organization is shown in the picture.
What is the body organ ?
"Organs are the body's recognizable structures (for example, the heart, lungs, liver, eyes, and stomach) that perform specific functions. An organ is made of several types of tissue and therefore several types of cells .Cells are the basic building blocks of the body".
What are the four levels of organization in the human body?
"An organism is made up of four levels of organization: cells, tissues, organs, and organ systems".
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The current eccentricity of Earth is .017. The shape of the Earth's orbit changes from being elliptical (high eccentricity) to being nearly
circular (low eccentricity) in a cycle that takes between 90,000 and 100,000 years. When the orbit is highly elliptical, the amount of
insolation received at perihelion would be on the order of 20 to 30 percent greater than at aphelion. What would be the predicted
result of this change?
The awnser is “A much warmer climate than what we are currently experiencing”
Answer:
In the given case, a much warmer climate will be experienced in comparison to what one is experiencing at the present time.
Explanation:
When the orbit of the Earth changes its path, one can witness a variation in the Earth's climatic conditions. Like when the Earth comes nearer to the Sun, the climate of the Earth becomes warmer. However, when the axis of the Earth shifts slightly away from the Sun, one can witness a reduction in the Earth's temperature.
Therefore, in the given case, the isolation received at perihelion would be twenty to thirty percent more in comparison to aphelion when the orbit is more elliptical, this condition eventually results in a warmer climate.
Question on edmentum for earth and space science B:
The graph shows how the eccentricity of Earth’s orbit increases and decreases in a somewhat predictable pattern. Read and interpret the data in the graph. Approximately how long does it take for Earth’s eccentricity to complete a cycle from one crest to the next)?
a graph showing eccentricity variation with time; eccentricity fluctuates between a maximum of 0.05 at 225,000 years ago to a minimum of 0.005 at 375,000 years ago
Explanation/ sample answer is : This cycle takes approximately 100,000 years to complete.
hat is the role of the central nervous system
Answer:
controls most functions of the body and mind. It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.
Explanation:
.
A human red blood cell in an artery of the left arm is on its way to deliver oxygen to a cell in the thumb. To travel from the artery to the thumb and then back to the left ventricle, this red blood cell must pass through __________.
a. one capillary bedsb. two capillary bedsc. three capillary bedsd. four capillary bedse. five capillary beds
Answer:
(b). two capillary beds.Explanation:
A human has a complete circulatory system that plays an important role in the circulation of the blood in the body of the human. Generally, there are two vessels that are responsible to transport the oxygenated blood and deoxygenated blood in the body. Generally, the artery carries oxygenated blood except for the pulmonary artery and the other is the vein that transports the deoxygenated blood except for the pulmonary vein. Capillaries are the microscopic vessel that is originated from the artery and connects the venules. When they are present in the form of a network is generally known as capillary beds and plays an important role in the exchange of nutrients, gases and other materials between the tissues cells and the blood. They are categorized as two capillaries bed, three capillaries bed and some other on the basis of the capillary in a network. Two capillary beds play an important role in the delivery of blood from the heart to the thumb and from thumb to the left ventricles.To travel from the artery to the thumb and then back to the left ventricle, the red blood cell must pass through TWO CAPILLARY BEDS.
A capillary bed is a complex network of blood vessels capable of supplying blood to a particular body structure, tissue, or organ.The capillary beds not only transport nutrients and oxygen to the cells, but they also are required to carry out waste byproducts (e.g., carbon dioxide).In blood circulation, two different capillary beds can be connected by the veins.In conclusion, to travel from the artery to the thumb and then back to the left ventricle, the red blood cell must pass through TWO CAPILLARY BEDS.
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If the parents of a child are blood types AB and O, what are the possible blood types of the child?
a) A or B
b) A only
c) O
d) AB
Which describes the organs in the human body
Answer: A group of tissues that work together to perform a common function.
Explanation:
The structure labeled “A” in this diagram of a virus is called the
a. RNA envelope
b. Capsid
c. Nuclear membrane
d. Viral genome
The structure labeled “A” in this diagram of a virus is called the b. Capsid. Therefore, b. Capsid is correct .
The capsid, a crucial component of viruses, serves as a protective protein shell enveloping the viral genome.
Comprising subunits known as capsomeres, the capsid exhibits diverse structural forms, such as icosahedral, helical, and enveloped.
The icosahedral shape, with 20 triangular faces, is a common configuration, offering stability and efficiency in encapsulating the genetic material.
Capsomeres possess the unique ability to self-assemble, forming the capsid that shields the viral genome from external threats and damage.
Additionally, the capsid plays a pivotal role in facilitating the virus's attachment to host cells, a crucial step in the infection process.
Some viruses boast an additional layer beyond the capsid, known as the RNA envelope.
This outermost layer, though not labeled in the diagram, comprises a lipid bilayer studded with proteins.
The envelope serves several functions, including aiding the virus in evading the host's immune system and facilitating the virus's entry into host cells.
This membrane-like structure enhances the virus's adaptability and interaction with the host environment.
It's essential to note that the nuclear membrane mentioned is distinct from the viral components.
The nuclear membrane surrounds the nucleus in eukaryotic cells, providing a boundary between the nucleus and the cytoplasm.
The viral genome, on the other hand, represents the genetic material of the virus, not a membrane.
These structural elements is fundamental to deciphering the intricacies of viral infection and host interactions in various biological contexts.
H-shaped area of the spinal cord is called _________ matter and it is located around the ________________ filled with cerebrospinal fluid.
Answer:
The correct answer is "grey; central canal".
Explanation:
Grey matter refers to an area of the brain, brainstem and cerebellum comprised of unmyelinated neurons and other cells that has given its name for having a pinkish-grey color in the living brain. Grey matter is also present in the spinal cord in an are of three grey columns that are H-shaped and it is located around the central canal filled with cerebrospinal fluid
The H-shaped area of the spinal cord is called gray matter and it is located around the central canal filled with cerebrospinal fluid (CSF). The gray matter contains cell bodies and interneurons and is subdivided into regions known as horns.
Explanation:The H-shaped area of the spinal cord is called gray matter. This area contains cell bodies and interneurons and has a shape reminiscent of a bulbous capital 'H'. The gray matter is subdivided into regions known as horns. The gray matter surrounds a central canal filled with cerebrospinal fluid (CSF). This hollow center, a very small central canal through the cord, develops from the rest of the neural tube and corresponds to open spaces within the brain known as the ventricles, which are also filled with cerebrospinal fluid.
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DNA replication produces two identical DNA molecules called _____, which separate during mitosis.
Answer:
sister chromatids
Explanation:
replication. DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
DNA replication produces two identical DNA molecules called sister chromatids, which separate during mitosis to ensure each new cell has an accurate copy of the DNA.
Explanation:During DNA replication in the S phase of interphase, each chromosome is replicated to produce two identical copies, called sister chromatids. These sister chromatids are held together at the centromere by cohesin proteins until anaphase II during the process of mitosis. The role of sister chromatids is crucial in ensuring that each newly formed cell receives an accurate copy of the DNA that is identical to the other and to the original cell.
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A highway that keeps an organism from using its
entire home range causes?
a. extinction.
b. an island ecosystem.
c. biomagnification.
d. habitat fragmentation.
Answer:Habitat fragmentation
Explanation:
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What event occurred during the Paleozoic era?
A) diversification of mammals
B) first appearance of most modern invertebrates
C) dominance of non-avian dinosaurs
D) beginning of multicelled life
The first appearance of most modern invertebrates. Therefore, option (B) is correct.
What is Paleozoic era?The Paleozoic era spanned from about 541 to 252 million years ago and was marked by significant geological, climatic, and biological events. It saw the emergence and diversification of many major groups of animals, including the first appearance of most modern invertebrates, such as trilobites, brachiopods, and mollusks.
The first land plants and the evolution of fish and amphibians also occurred during this era. The era ended with the largest mass extinction in Earth's history, which wiped out about 90% of marine species.
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which action is a reflex action?
A) Asking for coffee in a cold climate
B) Blinking when lights flashed in the eyes
C) Drinks water when thirsty
D) Swallowing food
E) Taking an exam
Answer:
B. Blinking when lights flashed in eyes
Explanation:
This is a reflex action because blinking when there is light in your eyes is a reflex to protect your eyes.
Why does secondary succession occur faster than primary succession?
Answer:
Soil with nutrients is already present. Seeds are present from earlier occupants, brought in by wind, and/or germinate after fire.
Explanation:
Sample answer hope this helps!!! Brainliest?
Secondary succession usually occurs faster than primary succession because the components are already present. whereas in primary succession, there is no soil and it needs to form.
as pioneer species must inhabit the area, they must die, and as this happens repeatedly, soil formations take place.
What is Ecological Succession?Ecological succession is the process by which the mix of species and habitats in an area varies over time. Gradually, these communities replace one another.
Thus, Secondary succession usually occurs faster than primary succession.
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PLEASE HELP BIG POINT
Answer:
a
Explanation:
There are two major differences between mitosis and meiosis. First, meiosis involves not one, but Two cell divisions. Second, meiosis leads to the production of germ cells, which are cells that give rise to gametes. Germ cells are different from somatic cells in a critical way. Whereas somatic cells are diploid, meaning they have two copies of each chromosome, germ cells are haploid. The haploid nature of germ cells is vital to the process of sexual reproduction.
Answer: B
Explanation:
What is the volume of the golf ball? Cm3
Answer: it’s 40cm3
Explanation: just had that question
The volume of a typical golf ball is about 41.63 cm³. The Volume of golf ball is calculated by V = 4/3 (π) r³
What is golf ball?A round, spherical white ball, used to play golf is called golf ball. According to the rules of golf, a golf ball should have mass no more than 1.620 oz (45.9 g), has a diameter not less than 1.680 inches (42.7 mm).
There are two categories of golf ball:
recreational ballsadvanced ballsRecreational balls are oriented towards the golfer who has low swing speed, and have low prices than advanced balls. to calculate volume of golf ball, you can calculate the volume of a sphere by knowing its radius. To compute the volume of a golf ball, we take the radius of it and multiply it by the volume of a sphere. Formula to be used:
V = 4/3 (π) r³
Therefore, volume of typical golf ball is calculated by using V = 4/3 (π) r³.
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Conjugation differs from reproduction because conjugation
Answer:
Conjugation differ from reproduction because Conjugation transfer DNA horizontally to cells in the same generation.
Explanation:
Conjugation is a process of transfer of genetic material from one organism to another organism to direct contact.
An organism serve as the donor and transfer to another organism which is the receiver.
The donor carry DNA sequence called fertility factor. It transfer DNA horizontally to cells in the same generation. It is a type of genetic recombination that occur between two organisms.
Conjugation normally occur in bacteria.
Conjugation differs from reproduction in that it is a form of genetic recombination in bacteria where DNA is transferred between organisms. Reproduction, on the other hand, is a process where new organisms are generated.
Explanation:Conjugation differs from reproduction because it is not a process that results in the creation of new organisms. Instead, conjugation is a form of genetic recombination in bacteria where DNA is transferred from one bacteria to another. In contrast, reproduction, whether asexual or sexual, is a process where new organisms are generated. To illustrate, imagine two separate species of bacteria. During conjugation, a piece of DNA from one bacteria can be transferred to the other, causing a change in its genetic structure. However, this process doesn't result in a new organism, unlike reproduction where a single organism can divide (asexual reproduction) or two organisms can combine (sexual reproduction) to create new organisms.
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Which of the following statements about the cytoskeleton is false? Group of answer choices The cytoskeleton is an elaborate series of rods throughout the cytosol. Once laid down, the elements of the cytoskeleton are fixed and remain permanently in place. The cytoskeleton helps organize the cell’s structure and activities The cytoskeleton is composed of three types of fibers: microfilaments, microtubules, and intermediate filaments. Next
Answer:
Which of the following statements about the cytoskeleton is false?
The cytoskeleton helps organize the cell’s structure and activities
Explanation:
The false statement about the cytoskeleton is Once laid down, the elements of the cytoskeleton are fixed and remain permanently in place.
The second option is correct
what is the cytoskeleton ?The cytoskeleton is described as a dynamic structure that is constantly being remodeled. The elements of the cytoskeleton can be broken down and reassembled, and they can also move around the cell. This allows the cytoskeleton to adapt to the changing needs of the cell.
The cytoskeleton is an elaborate series of rods throughout the cytosol.
The cytoskeleton helps organize the cell's structure and activities.
The cytoskeleton is composed of three types of fibers: microfilaments, microtubules, and intermediate filaments.
Therefore, The second option is correct
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Describe the relationship between DNA, Chromosomes, and Genes
Answer:
they are all located in the nucleus
Explanation:
Answer: DNA carries instructions for making the proteins a cell needs.
DNA molecules are found in chromosomes.
Genes are segments of DNA that contain instructions that code for proteins.
Explanation:
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What type of succession shown from figure a to figure b
PLeASe ASAP !!!!
Answer:
The correct answer is secondary succession.
Explanation:
A slow process by which ecosystems develop and modify with time is termed as ecological succession. An array of community modifications that occurs on a previously colonized, however, damaged or disrupted habitat is termed as the secondary succession. Secondary succession takes place in the regions which were cleared of the prevailing vegetation or due to the catastrophic incidents like fire.
The phenomenon of secondary succession generally takes place at a rapid rate in comparison to the primary succession. This takes place because of various reasons like the undisturbed root systems present in the soil that helps the plants to regenerate at a quick rate, a prevailing seed bank of suitable plants in the soil, and the structure and fertility of the soil that would have been modified significantly by the species that were present in the previous colony, making the soil more appropriate for growth and development.
Select the scientific questions that are testable.
How many people live in an area
prone to earthquake?
To what extent has climate changed
over the past 100 years?
What career should I pursue after
graduate?
What gives a person's life meaning?
What gases make up the
atmosphere of Earth?
Should the use of coal and other
fossil fuels be banned?
What are the effects of high winds
during a hurricane?
How long does it take water to
freeze?
Why should we value the
environment?
Should mining for phosphates be
stopped?
Answer:
How many people live in an area prone to earthquakes?
To what extent has climate changed over the past 100 years?
What gases make up the atmosphere of earth?
What are the defects or high winds during a hurricane?
How long does it take water to freeze?
Describe the relationship between the two vocabulary terms given.
Dominant and Recessive
Answer:
The dominant trait is the trait that will overpower the recessive trait. Example: A brown eyed parent and a blue eyed parent will most likely have a brown eyed baby because brown eyes are dominant and blue eyes are recessive. Recessive traits can only happen if the other parent also is recessive or if the other parent is heterozygous recessive.
Explanation:
When the mRNA strand is being formed, what base matches up to adenine?
Answer:
Uracil
Explanation:
Transcription is the first stage of gene expression in a living cell and it involves the synthesis of a mRNA molecule using a DNA template. The process of transcription is carried out by an enzyme called RNA polymerase, which initially binds to the PROMOTER region of a DNA, unwind its double-helix and begins to add nucleotide bases to the growing RNA strand based on the nucleotides it reads on the DNA.
The basis of nucleotide addition by RNA polymerase is COMPLEMENTARY BASE PAIRING RULE, which states that Adenine (A) always pairs with Thymine (T) and Guanine (G) with Cytosine (C). RNA polymerase adds to the RNA strand, nucleotides complementary to the ones it reads on the DNA. Since, Uracil base replaced Thymine in the RNA molecule, RNA polymerase adds Uracil to the RNA strand, for every Adenine it reads on the DNA template.
I am a multicellular, photosynthetic, marine organism. I grow very fast and live my adult life attached to rocks being pounded by waves. what kingdom and what organism name
A drug that restricts the activity of angiotensin converting enzyme (ACE) would likely result in all of the following physiologic changes but one. Which of the following is the least likely to result from a drug blocking ACE activity?
Which statement best describes the relationship of photosynthesis and energy?
A.The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which is stored in the bonds of glucose.
B.The process of photosynthesis is energy-releasing because the process converts light energy into free energy that can be used for cell functions.
C.The process of photosynthesis is energy-conserving because no energy is used throughout the process of forming glucose and oxygen molecules.
D.The process of photosynthesis is energy-wasting because photosynthesis is an inefficient process that depletes the cell of energy stored in the bonds of glucose.
Answer:B
Explanation:
Fill in the blank: Excitation-_____________ coupling represents the physiologic mechanism whereby an electrical discharge at the muscle initiates chemical events at the cell surface, releasing intracellular Ca2+ and ultimately causing muscle action.
What is the shape and arrangement of neisseria gonorrhoeae
Answer:
Bean shaped diplococci
Explanation:
Typically Neisseria gonorrhea is bean-shaped and present in the form of pairs. Because they present in the form of pairs called diplococci.
He was not satisfied with command of his native language merely, but gave attention to the study of foreign ones, and in particular was a master of Latin that he could speak it as well as his native tongue; but he could understand Greek better than he could speak it. He was so eloquent . . . The King spent much time and labour with him studying rhetoric, dialectics, and especially astronomy; he learned to reckon, and used to investigate the motions of the heavenly bodies most curiously.
This passage exemplifies Charlemagne's enthusiasm for
Answer:
Explanation:
Language is the answer trust me
Answer:
Language
Explanation:
i just took the test
Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having _____.
A scientist is observing a onion cell and a human cheek cell under a microscope which observation does she MOST LIKLEY make A) The onion cell have lysosomes, and the cheek cell does not B) The cheek cells have larger vacuoles than the onion cells C) The cheek cells have a nucleus, and the onion cell does not D) The onion cells have a cell wall, and the cheek cells do not
Final answer:
The primary observation a scientist would make is that onion cells, which are plant cells, have a cell wall for structural support, unlike the cheek cells of humans that lack a cell wall.
Explanation:
A scientist observing an onion cell and a human cheek cell under a microscope will most likely make the observation that the onion cells have a cell wall, and the cheek cells do not. This is because onion cells, being plant cells, have a rigid cell wall surrounding their cell membrane which provides structural support and protection. In contrast, human cheek cells, like all animal cells, lack a cell wall and instead only have a cell membrane which is flexible and allows for a variety of shapes.