Answer:
False
Explanation:
Im not 100% sure tho
Waves run through substances, but they do not move the substances in the direction of the waves, and this is true for the first option as the wave transfers energy through the medium, causing the particles to vibrate.
What is the significance of the waves?Waves play a significant role in many areas of science and technology, such as in physics, where they are used to explain the behavior of light; in technology, where they are used for communication, as in radio; and in other fields, such as ultrasound and X-rays, where waves are used for the purpose of imaging.
Hence, waves run through substances, but they do not move the substances in the direction of the waves, and this is true for the first option as the wave transfers energy through the medium, causing the particles to vibrate.
Learn more about the waves here.
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In the 1950s, Stanley Miller and Harold Urey designed experiments that tested Alexander Oparin's and J.B.S. Haldane's hypothesis that conditions on the primitive Earth favored chemical reactions that synthesized more complex organic compounds from simpler organic precursors. Miller and Urey used an apparatus that recreated the conditions of what a primitive Earth was thought to consist of at the time. Methane, hydrogen, ammonia, and steam were all included to recreate conditions similar to that of a primitive Earth. Their goal was to create complex organic molecules from the simple organic molecules that were believed to be part of primitive Earth's makeup. The Miller-Urey experiment was run for a week and the samples collected were analyzed. Analysis showed that some of the carbon in the apparatus was converted to amino acids molecules. In later experiments, similar to Miller and Urey's, it has been shown that it is possible to form all 20 amino acids commonly found in organisms. Along with nucleic acids, other molecules were detected in samples. Some of these were sugars, lipids, adenine, and even ATP in certain conditions.
Based on the information in The Miller-Urey Experiment reading passage above, which of the following statements is most accurate?
Answer:
where are the following statements
Explanation:
Within any ecosystem, there is a fixed amount of energy available for organisms to use. Since organisms usually produce more offspring than a given ecosystem can support, this causes _______.
A. bottlenecking
B. genetic drift
C. parasites
D. competition
Environmental science
Answer:
asdasd as
Explanation:
dasdadsad
What would happen to an ecosystem if an invasive
species has no predators? Explain in detail.
Please help!!!!!!!!!!
Explanation:
the top predator is removed from the delicate balance of any particular ecosystem, there may be disastrous effects for the other plants and animals that inhabit the environment.
When a top predator is removed from an ecosystem, a series knock-on effects are felt throughout all the levels in a food web, as each level is regulated by the one above it. This is known as a trophic cascade. The results of these trophic cascades can lead to an ecosystem being completely transformed. The impacts trickle down through each level, upsetting the ecological balance by altering numbers of different animal species, until the effects are finally felt by the vegetation
When a top predator is no longer present, populations of their herbivorous prey begin to boom. Without a top predator to regulate their numbers, these animals put a great deal of pressure on the existing vegetation that they require for food and can destroy large amounts of plant life, such as grasses and trees. This then causes further problems, such as soil erosion and loss of animal habitat. Eventually, humans are also impacted due to the resulting lack of soil fertility and clean water that depend on these plants.
Another problem involving the loss of vegetation is the competition that is created between herbivorous species. Competition between species for the remaining plant life is high and weaker species lose out to stronger ones, leading to the potential loss of weaker animals, as well as plant species. Increased competition, therefore, leads to a lack of biodiversity. In contrast, top predators often have varied diets, which means they can pursue a new food source if one is running low, preventing the first source from being eradicated completely. This is one of the ways that top predators are able to maintain biodiversity and the balance of an ecosystem.
The presence of a top predator also helps to maintain balance in an ecosystem by influencing the behaviour and movements of its prey through the fear of being caught. Animals that are prey to a top predator will move around in order to avoid it. This prevents plants and animals in any particular area of an ecosystem from being over-consumed, preserving food sources and habitats. In the absence of top predators, this regulation disappears, allowing certain areas of vegetation to be destroyed completely.
Answer:
That species would likely run rampid, due to it having no predators. The ecosystem may eventually recover, but it won´t be the same.
Explanation:
:) trust me!
In the image below, the beetles that are being squished just happened to be in the wrong place at the wrong time. The
man did not jump around trying to step on specific bugs, but just happened to step on bugs that were in his path. This
occurrence is completely random. There was no plan for taking these bugs out of the population. Observe the initial
population and compare to the final population. How will the population be effected by these particular beetles
being stepped on?
A mother with the genotype
Aa displays the dominant
version of the trait. Her
husband displays the
dominant version of the trait.
What version of the trait
would their child display?
A. The child would display the recessive
trait.
B. The child would display the dominant
trait.
C. The child would display some of the
dominant trait and some of the recessive
trait.
D. We need more information about the
father's genotype.
More information is needed about the father's genotype before the version of the trait that would be displayed by the child can be predicted (option D).
What is genotype?Genotype is the part (DNA sequence) of the genetic makeup of an organism which determines a specific characteristic (phenotype) of that organism.
The genotype responsible for a trait in an organism is usually in pairs or versions called alleles. The allele can either be dominant or recessive depending on whether it is expressed or masked respectively.
According to this question, a mother with the genotype "Aa" displays the dominant version of the trait. Her husband also displays the dominant version of the trait.
However, the exact genotype of the father is required to be able to predict the genotypic outcome of their offsprings.
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8) What is the term for someone who is near sighted?
A) glaucoma
B) myopia
C) astigmatism
D) hyperopia
human activity can affect ecosystems by removing producers, consumers and decomposers. What limiting factors may result from human actions, and what affects might they have on the flow of energy and matter in s ecosystem?
What is a strict aerobe
An organism able to live and reproduce only in the presence of free oxygen (e.g., certain bacteria and certain yeasts). Organisms that grow in the absence of free oxygen are termed anaerobes; those that grow only in the absence of oxygen are obligate, or strict, anaerobes.
What are high and low pressure systems? How
do they both work? What happens in the area
they meet?
(Please help me!!)
Do the people at T mobile keep your browser history and things like that??
Answer:
2x - 9y = 23
5x - 3y = -12x - 9y = 23
5x - 3y = -12x - 9y = 23
5x - 3y = -12x - 9y = 23
5x - 3y = -12x - 9y = 23
5x - 3y = -12x - 9y = 23
5x - 3y = -1
Explanation:
Describe the similarities and differences between prokaryotic cells and eukaryotic cells.
Answer:
Prokaryotic cell have no membrane bound organelles and no membrane bound nucleus. Eukaryotic cells are found in plants, animals, protists and fungi.
Plz help me with this question.
Answer:
Answer A
Explanation:
Answer:
C
Explanation:
The lion benefits by eating up the zebra while the lice benefits from the blood it gets from the fish.
The clownfish is a species of fish that lives between the stinging tentacles of sea anemones. The clownfish protects
the anemone from anemone eating fish, while the anemone's tentacles protect the clownfish from predators The
relationship between clownfish and anemone is an example of
A)
commensalism.
B)
competition
C)
mutualism
D)
parasitism
10)
Answer:
A) commensalism.
explanation:
commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.
Answer:
C mutualism
Explanation:
both the sea anemone and the clown fish benifit from the relationship
What is an example of mutation that could cause a phenotype that makes organism better suited for its environment?
Explanation:
for example:-If a mutation led to brighter feather colouring in birds, the brighter feathers may allow those individuals with the mutation to reproduce more frequently, because they are seen as being more attractive and a desirable mate.
a system that relates the layers of rock to time?
Answer:
Basic Of Algebra. Basics of Algebra cover the simple operation of mathematics like addition, subtraction, multiplication, and division involving both constant as well as variables. For example, x+10 = 0. This introduces an important algebraic concept known as equations.Explanation:Basic Of Algebra. Basics of Algebra cover the simple operation of mathematics like addition, subtraction, multiplication, and division involving both constant as well as variables. For example, x+10 = 0. This introduces an important algebraic concept known as equations.
Put the following images in order. ILL GIVE BRAINLIEST
Answer:
Explanation:
the daughter cells go last because it is the result
The period between the entry of micro organism into the body and the start of the diseases is referred to as
Answer:
Incubation period
Explanation:
The incubation period occurs in an acute disease after the initial entry of the pathogen into the host (patient). It is during this time the pathogen begins multiplying in the host
what texture of song A house is not a home?
Answer:
huh?
Explanation:
wat could a dog living jow and a cat living thousands years ago have in common
Answer:
they would practically be the same
Answer:
They are both vertebrates and mammals, so they both have structures such as a backbone, hair, four limbs, four chambered heart, skull, etc.
Which of the following structures assist the major structures of the digestive system?
A. gall bladder, small intestine, and liver
B .salivary glands, mouth, and esophagus
C. pancreas, gall bladder, and salivary glands
D. pancreas, stomach, and large intestine
Answer:
that would be C. pancreas, gall bladder, and salivary glands
The size of a star can tell us how bright the star is? True or false
[tex]13657 \div 3[/tex]
I need help with this work sheet please
Answer: 1. I would choose BbEe(black) and bbEe(chocolate) because when they crossover each other, one of the possibilities is bbEe which would be a yellow dog.
2. Yes, because when you cross the two, you will get at least 1 of each color as a result.
3. BE, Be, bE, be
4. When crossing BBee and bbee, the result was Bbee which is also a yellow dog.
5. I would not want BbEe.
6. When you cross bbEe and BBEE, the probability for a black dog would be 16/16. The other colors would be 0/16.
Explanation: If you need more help or have any questions, feel free to message. :3
Describe the structure of human kidney.
answer in brief..okay..i appreciate correct one.
➜ Kidneys are bean-shaped and located at the back of abdomen, one on either side of backbone. Its inner concave surface has a depression called hilum through which renal artery enters and renal vein leaves the kidney. Kidney has two regions: outer cortex and inner medulla. Each kidney has a large number of filtering units called nephrons.
Note: See picture attached to get the idea.
❅ Structure of Kidney —
Length: 10-12 cm.
Width: 5-7 cm.
Thickness: 2-3 cm.
Location: both sides of the vertebral column.
EXPLANATION:❅ Hilum —
The hilum is a notch which is present on the inner surface towards the centre of the kidney. This notch allows the entrance of blood vessels, nerves and ureter in the kidney.
❅ Renal Pelvis —
Funnel-shaped structure towards the inner hilum. It has two zones. The inner zone is known as the medulla, and the outer zone is known as the cortex.
❅ Medulla —
It is divided into small medullary pyramids which are conical in shape. These are projected through the calyces.
❅ Cortex —
It is a structure which is present between the renal columns and the medullary pyramids. Columns of Bertini is another name of the renal columns.
❅ Nephrons —
These are particularly important and functional units of a kidney. They are complex tubular structures present in the count of millions. There are two parts of a nephron which include glomerulus and tubule. The glomerulus is responsible for the filtration of blood and toxic substances like nitrogenous wastes and ammonia.
Student Exploration: Photosynthesis Lab
Answer:
wey has una pregunta entendible
Explanation:
Answer:
photosynthesis is the process of a plants growth and food source.
Explanation:
I learn it in my science curriculum.
Use the diagram below. You observe Protist 2 under a microscope and notice that it moves using the structure that is visible at point C. What is the name of this structure? Question 8 options: cilia hyphae flagellum pseudopod
Answer:
flagellum
Explanation: Hope this helps!
When is osmosis used by
cells to move water across a selectively permeable
membrane?
A. Osmosis is used by cells when large molecules pass freely across the selectively permeable membrane.
B. Osmosis is used by cells to create equilibrium when large molecules can't pass through the membrane.
C. Osmosis is constantly in process inside of a cell, regardless of equilibrum.
Answer:
A
Explanation:
Because i learned about this
The _____________ caused the movement of people to more urban areas.
Answer:
The growth of cities.
Individuals That are well adapted to their environment will survive and produce what