Answer:
Explain why the populations of a predator and its prey often follow regular cycles. If predators kill many prey organisms, the size of the prey population decreases. ... As the number of predators decreases, the number of prey increases, and the cycle repeats.
Explanation:
If predators kill many prey organisms, the size of the prey population decreases. As the number of predators decreases, the number of prey increases, and the cycle repeats.
QUESTION 17 Which of these has an elliptical orbit around the sun? Earth Jupiter Mars Earth, Jupiter, and Mars
Answer:
Earth
Explanation:
Answer:
earth
Explanation:
Earth moves around the Sun in an elliptical orbit. Earth's orbit is almost a perfect circle; its eccentricity is only 0.0167.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons
Force is equal to mass times acceleration, therefore acc. is equal to Force divided by mass.
500 N /50kg equals 10m/s^2.
The acceleration of a 50 kg object pushed with a force of 500 Newtons is 10 m/s^2, calculated using Newton's second law of motion.
Explanation:To calculate the acceleration of an object, we use Newton's second law of motion, which states that the force acting on an object is equal to its mass multiplied by its acceleration (F = ma). If a 50 kg object is being pushed with a force of 500 Newtons, you would solve the equation for acceleration, a = F/m. Thus, a = 500N / 50kg = 10 m/s^2.
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How does cloning effect the individuals???
which of the following states correctly describes the process of photosynthesis and cellular respiration
A. respiration creates a high level of carbon dioxide in the atmosphere
B. photosynthesis and respiration keep the levels of oxygen and carbon dioxide fairly constant in the atmosphere
C. photosynthesis creates a high level of oxygen in the atmosphere
Answer:
B. photosynthesis and respiration keep the levels of oxygen and carbon dioxide fairly constant in the atmosphere.
Explanation:
Matt is an owner of a sugar factory. His factory produces tons of starchy residues. What can Matt do with it?
A.
dump the residue into the ocean
B.
convert the residue into bioethanol
C.
burn all the residue
D.
mix the residue with raw material to produce more sugar
Matt can convert the residue into bioethanol .
The correct option is B.
Explanation:
The starchy residue of the sugar can be fermented to alcohols as bioethanol to be used as fuel.
The fermentation process is carried out by bacteria Saccharomyces cerevisiae in anaerobic conditions.
In the process of fermentation of starchy residue apart from bioethanol some medical useful compounds and alcholol derivatives were also obtained as by products.
Though used as fuel it has lower energy than gasoline.
Bioethanol is a biodegradable and non-toxic fossil fuel.
The biomass waste of sugar industry is used for making fuel as bioethanol.
Answer:
Answer is B
Explanation:
After blood leaves the heart through the aorta, what happens? Check all that apply.
The blood moves through the cells of the body delivering oxygen.
The blood moves into the lungs.
The blood moves through progressively smaller blood vessels.
The blood removes carbon dioxide and other wastes from the cells.
The blood moves only to the upper part of the body.
Plz help guys thx
Answer:
The blood moves through the cells of the body delivering oxygen.
The blood moves through progressively smaller blood vessels.
The blood removes carbon dioxide and other wastes from the cells.
Explanation:
After leaving the heart, blood moves through progressively smaller blood vessels, delivering oxygen to cells and removing wastes, before returning to the heart.
Explanation:After blood leaves the heart through the aorta, it moves through progressively smaller blood vessels called arterioles and then into even smaller vessels called capillaries. As the blood moves through the capillaries, it delivers oxygen to the cells of the body and removes carbon dioxide and other wastes from the cells. This process is known as gas exchange. The blood then continues its journey through larger vessels called venules and veins, eventually returning to the heart.
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Which level in a food web contains the highest amount of total available energy?
A
primary consumer
B. Secondary consumer
C. decomposer
D. producer
Answer:
D. producers
Explanation:
This is because of a rule known as the 10% rule, in which every trophic level you go up, there is 90% less energy in that level
what evidence did darwin use to support his theory of evolution?
why is photosynthesis important to animals
SOMEONE ANSWER I Need it now.
Answer:
It is A
Explanation:
Fill in the blank with north or south
A compass always points to Earth's true North Pole because the north pole of the magnet in the compass is attract
to Earth's is close to the magnetic pole
Help
Answer: south
Explanation: I just took the test I hope this help ✌️
Which processes happen in the kidney? Select three options.
A) production of urine
B) storage of urine
C) production of enzymes that break down food
D) filtration of waste material from blood
E) reabsorption of sugar and water
Answer:
It's option a d and e
Explanation:
Which tatement gives an example of asexual reproduction?
A)A new potato plant grows from a potato.
B)Two worms mate and reproduce more worms.
C)An apple see is produced from pollinated flowers
D)Butterflies have genetic information from both parents.
Which of the following factors do you think can affect the size and structure of a population?
the number of individuals who enter a population
the number of individuals who exit a population
limitation of resources
natural events
human activity
DONE
2. When you decrease the pH in the simulation, the ocean's acidity increases. What do you expect
to happen over time to the population of the corals, algae, and fish in the coral reef as the pH of
the ocean decreases?
Answer:
With decrease in pH of ocean water, the survival rate of corals, algae, and fish in coral reef reduces.
Explanation:
Coral reefs find difficulty in living in acidic ocean water. It is so because the coral’s shell that is made up of calcium carbonate is unable to sustain in acidic environment.
Not only this the skeleton of snails, clams, algae , fish etc is also made up of calcium carbonate. Increased acidity leads to death of these species.
Thus, the lower is the pH of ocean water, the higher is its acidity and hence the lower is the probability of survival of corals, algae, and fish in the coral reef
pH is among the limiting factors that might affect coral, algae and other species. A decrease in water pH causes an increase in acidity, which leads coral, algae, and fish in the coral reef to death.
What is the relationship between corals and algae?
Corals are translucid or white, but they look brightly colored because they host symbionts with colorful photosynthetic pigments . They can host different organisms that live on and among them, giving place to an amazing ecosystem.
One of these organisms is the photosynthetic unicellular microalgae, called zooxanteles. Corals provide shelter and protection to the algae, while algae provide nitrogenated nutrients, sugars, and color to the corals.
This symbiotic relationship allows corals to grow in different environments that are poor in nitrogen or other nutrients, such as the tropical clear waters.
What are the limiting factors of corals and algae?Limiting factors are environmental conditions that act directly on populations and individuals, limiting their distribution and growth.
Some of these factors are water, temperature, pH, salinity, and radiation.
When changes in any of these factors occur, corals react to these changes losing these algae and becoming translucid again.
pH is a significant limiting factor for coral survival because their calcium-carbonated shell is sensitive to acidic environments.
When there is a decrease in oceanic pH, occurs an increase in water acidity, causing coral, algae, and other organisms death.
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List some cell types in which mitosis is expected to occur. List a cell type in which meiosis is expected to occur.
Explanation:
i know that mitosis is a skin cell
What do all of the organ systems in a human form?
O the organism
O the cells
O the tissue
O the organs
Answer:
the organism
Explanation:
its even in the word
Answer:
The organism
A theory is an explanation that has
A. no evidence to support it
B. little evidence to support it
C. much evidence to support it
D. been proven beyond a doubt
please help me ASAP!!!
Answer: B. Little evidence to support it
Explanation: Think about theory vs. law. Laws require a lot of evidence to back up and make a solid law. Theories are designed to change with new evidence found on the topic.
How do you think scientists count the world’s human population?
Answer:
Scientist count the world humans population with an organization called The United Nations Population Division (UNPD),
Explanation:
Which keeps track of the world population, projects that the world's human population will hit 7 billion on Halloween Day 2011. Admittedly, that is just an estimate: There's no way to know exactly how many people are alive at any given moment, and the true date that humanity's ranks will surpass 7 billion could come in the weeks or months before or after Oct. 31. Nonetheless, the UN's guess is the best there is.
If the DNA nucleotides read 3'-ATG-CGT-GAC-5', the amino acid sequence of the resulting polypeptide
(protein) would be what?
Answer:
5’ – TAC-GCA-CTG-3’
Explanation:
As per the Chargaff’s complementary base pairing rule purine always pairs with a pyrimidine.
Purines include adenine (A) and cytosine (C)
Pyrimidine include thymine (T) and guanine (G)
Thus an A always pair with T and C always pair with G
Thus, the resulting poly peptide for the given amino acid sequence is
3'-ATG-CGT-GAC-5'
5’ – TAC-GCA-CTG-3’
Do robber crabs have more in common with dolphins or with sponges?
Answer:
humans
Explanation:
Robber crabs are excellent climbers
Sedimentary rocks form when sand, mud, and pebbles create layers on top of each other. The pressure builds as each layer is added and eventually the layers turn into rock. What role does energy play in the formation of sedementary rock
Answer:
Energy from the Sun creates the cycle of rain and wind that causes erosion to produce sedimentation.
Explanation:
Sedimentary rocks form through the energy-intensive processes of weathering, erosion, compaction, and cementation, where layers of sediments are transformed into rock as they are buried and pressure increases.
Explanation:The formation of sedimentary rocks involves energy primarily in the form of mechanical and chemical weathering, erosion, and the compaction and cementation processes. Weathering breaks down pre-existing rocks, and the particles are transported by energies such as wind and water currents. As these sediments accumulate, the weight of the overlying material increases the pressure, reducing the space between sediment particles (compaction).
The final step includes cementation, where minerals precipitate from the water being squeezed from the pores, acting like glue to bind particles together to form solid rock. These rocks, such as conglomerate, sandstone, and shale, store not only geological history but also natural resources vital to humans such as fossil fuels.
Which of the following is a way that studies have determined industry might be affected by legislation on global warming?
a creation of new jobs and technology
b. decrease in consumer spending
C. increased costs of production
d. reduction in the number of jobs available
Please select the best answer from the choices provided
Nee
Sudent
Mark this and retum
Answer: A, Creation of new jobs and technology
Explanation:
Global warming can be define as the increase in global temperature which occurs due to increase in abundance of greenhouse gases such as carbon monoxide, carbon dioxide, methane and others. These gases are capable of absorbing the heat energy from sunlight. Hence, makes the atmosphere hot.
The industries may be concerned about the global warming as they they have to find out alternative which can lead to decrease the emission of the pollutants into the atmosphere as the industries may emit poisonous gases during production of goods result due to the use of fossil fuels.
The industries have to create new jobs and technology. As employs like scientists and engineers can provide better alternatives for the source of energy instead of the use of fossil fuels.
Final answer:
Legislation on global warming may lead to the (option a) creation of new jobs and technology as industries innovate to comply with environmental regulations, particularly in the field of renewable energy.
Explanation:
Studies have determined that legislation on global warming can have various effects on industry. One of the ways is a (option a) creation of new jobs and technology. For example, as industries seek to reduce their greenhouse gas emissions in line with legislation, this can lead to innovation and the development of new technologies, such as wind power generation and high-efficiency natural gas systems. These advancements, in turn, can contribute to the creation of jobs in new sectors that are dedicated to sustainable practices and renewable energy solutions.
Are we responsible for our actions if we are nothing more than physical machines? Explain.
What did Thomas Addison have to do to make a lightbulb work
Answer:
use electricity to make a spark in the bulb and light it
Explanation:
the law of independent assortment states that two alleles of the same genes will segregate from each other during gamete formation
TRUE OR FALSE
Answer: False.
Explanation:
This law states that alleles from two or more DIFFERENT genes will get sorted into gametes independently from one another.
The law of Independent assortment does not stated two the two alleles of the same genes will segregate from each other during gamete formation. Thus, the given statement is false.
What is Law of Independent Assortment?
Mendel's law of independent assortment states that the alleles of different genes in an organism gets sorted out into different gametes independently of one another. In other words, it can be described as the allele a gamete receives for one gene in an organism does not influence the allele which is received for another gene in that organism.
Independent assortment is important because it is responsible for the production of new genetic combinations or recombination in the organism along with the event of crossing over during meiosis. Thus, it contributes to genetic diversity among a population.
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What are the factors of the polynomial?
O (2x+3)(x+1)
(2x-3)(x-1)
(3x+2)(x+1)
(3x-2)(x-1)
ELLER
El
The factors of the polynomial is (3x+2)(x+1). The correct option is C.
What is polynomial factorization?Factorization of polynomials, also known as polynomial factorization, is the process of expressing a polynomial with coefficients in a specified field or in numbers as the product of independent factors with values in the same domain.
Thus, the correct option is C, (3x+2)(x+1).
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What items on this list can not be recycled via curbside pick up?
cardboard
food boxes
plastic bottles
plastic bags
glass bottles
textiles
electronics
Answer:
electronics
Explanation:
it common sense
Which of the following best describes an ecosystem?
A. a Group of populations that interact with in the same area.
B. a group of communities in their habitat
C. a group of organisms of the same species that live in the same area
D.a group of communities that interact within the same area
Answer:
D. a group of communities that interact in the same area
Explanation:
hope this helps!
Ecosystem refers to a group of communities, which associate with each other within the same region.
EcosystemIt is a community of living and non-living things, which work in harmony.
It comprises biotic components, that is, flora and fauna, and abiotic components, that is, water, soil, and air.
There is no specific size of an ecosystem.
The prime components of an ecosystem are water, plants, air, animals, soil, and light, they all function together.
A healthy ecosystem possess ample of species and is less likely to be destructed by human activities, climatic changes, and natural disasters.
Thus, the correct answer is option D.
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Which of the following planets has methane clouds in the atmosphere?
Answer:
uranus
Explanation:
because they do
Answer:
uranus
Explanation:
its hard to explain so i just ask please trust me
mark me brainliest please
Question:
The macromolecules depicted in the image below make up a wall that surrounds the
outside of all cells. What type of macromolecule is pictured below?
a. Triglycerides
b. Nucleic Acids
C. Steroids
d. Phospholipids
Answer:
A
Explanation:
There was no picture but the cell membrane does surround the cell and it is a phospholipid bilayer made of triglycerides so it is answer choice A
Phospholipids disposed in a lipidic bilayer compose the cell membrane. Their hydrophilic heads are facing the exterior, and hydrophobic tails facing the interior. The answer is d. Phospholipids.
MEMBRANE COMPOSITION
The cell membrane is composed of two lipidic bilayers, cholesterol, proteins, and glucans incrusted in between.
⇒ LipidsPhospholipids are amphipathic molecules.They have hydrophilic heads facing the exterior and the interior of the cells and hydrophobic tails that arrange against each other in the interlayer space.Lipids can easily change places with other lipids by lateral diffusion in the same layer.They can diffuse transversally to the other layer but not as easily as lateral diffusion.There are also other lipidic movements as rotational diffusion that imply the rotation of the molecule.⇒ CholesterolThese molecules are incrusted in the membrane between the hydrophobic tails of lipids.
⇒ ProteinsAmong the proteins, we can find integral proteins and peripheric proteins.
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