Answer: a no it’s not made of cells
Explanation:
*ANSWER ASAP TY*
Rainforests are destroyed so cash crops can be planted. What are cash crops?
a.) plants that grow slowly and are sensitive to moisture
b.) plants that are grazed by cattle
c.) plants that produce flowers that resemble money
d.) plants that grow quickly and have many uses
Rainforests are dense and canopied trees rich in biodiversity. They are destroyed to plant the cash crops that grow quickly and have various uses. Thus, option D is correct.
What are cash crops?Cash crops are plants that grow rapidly and have many uses that benefit the economy. They are planted mainly for selling purposes and to make a profit.
Cash crops like sugar cane, tomatoes, cotton, tea, coffee, etc. are planted to make a profit and earn money and differ from the agricultural crops as they are planted generally for sale purposes.
Therefore, cash crops are fast-growing crops.
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can pleaseeee anyone help ples please pleasee
Explanation:
[tex]
\red{36)1m = 100cm} \\ [/tex]
[tex]\boxed{\red{right \: \: 2 \: \: places}}[/tex]
[tex]\blue{37)1000 \: micro \: \: meter = 1mm}[/tex]
[tex]\boxed{\blue{left \: \: 3 \: \: places}}[/tex]
[tex]\purple{38)100000cm = 1km}[/tex]
[tex]\boxed{\purple{left \: \: 5 \: \: places}}[/tex]
[tex]\pink{39)1000000000000 \: micro} \\\pink{ meters = 1 \: \: megameter}[/tex]
[tex]\boxed{\pink{left \: \: 12 \: \: places}}[/tex]
[tex]\green{40)1km = 100000cm}[/tex]
[tex]\boxed{\green{right \: \: 5 \: \: places}}[/tex]
Which statement describes a parasite?
• A parasite is beneficial to its host.
O Aparasite is harmed in its relationship with the host.
A parasite only benefits when the host is alive.
A parasite always kills its host and takes all the nutrients.
During the transmission of signals across a neuromuscular junction, which of the following happens first?
A. Acetylcholine binds to a receptor protein on the motor end plate
B. The sodium and potassium ion gates on the motor end plates open
C. Synaptic vesicies release acetylcholine molecules
D. Synaptic vesicles move toward the axon terminals
Answer:
D. Synaptic vesicles move toward the axon terminals.
This happens at first
What factor determines how much linoleic acid can twist and bend its shape?
A. The weight of the molecule
B. The number of carbon-hydrogen bonds
C. The length of the molecule
D. The number of carbon-carbon double bonds
Wildlife experts may attempt to restore the population of an individual species ?
by changing the food web of the ecosystem.
by moving the species to a rain forest.
through captive breeding.
by introducing an exotic species into the population.
Answer:
C
Explanation:
through captive breeding. Once they are breed, they should be released
The sun's mass
is very small compared to other stars
is very small compared to Earth
creates a very powerful gravitational force
o pulls the planets in orbit around Earth
Answer:
his answer is wrong it is "creates a very powerful gravitational force"
Explanation:
if anyone needs it in the future <3
How did Griffith help build our understanding of genetics?
O A. He showed that only humans contain DNA.
O B. He showed that cells contain a transforming factor.
O c. He showed that traits cannot be inherited.
O D. He showed that viruses do not contain DNA.
Answer:
B. He showed that cells contain a transforming factor.
Explanation:
Griffith showed that cells contain a transforming factor.
What is Griffith's experiment?He worked on the pneumonia causing bacteria, Streptococcus pneumoniae.He found that this bacteria has two colonies: smooth colonies (S strain) and rough colonies (R strain).When mice were infected with S strain, they die from pneumonia whereas mice infected with R strain will survive as they do not develop pneumonia.The bacteria was the killed by heating. When mice were infected with heat-killed S strain, they survive as they do not develop pneumonia whereas when mice were infected with heat-killed S strain + live R strain, they die.It was observed that the R strain has been transformed by heat-killed S strain.It states that some "transforming principle" has enabled heat-killed S strain to transfer its virulent properties to R strain.Hence, the correct option is B. He showed that cells contain a transforming factor.
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If the number of photosynthetic organisms on the earth decreased drastically, which would happen as a result? Less water would be available on the earth’s surface. Less solar energy would reach the earth’s atmosphere. More oxygen gas would be found in the atmosphere. More carbon dioxide gas would be found in the atmosphere.
Answer:
More carbon dioxide gas would be found in the atmosphere.
Explanation:
Photosynthetic organisms convert carbon dioxide in air to oxygen through photosynthesis, while other non-photosynthetic organisms only consume oxygen and release carbon dioxide through respiration, they do not undergo photosynthesis.
When the number of photosynthetic organisms on the earth decreased drastically, the carbon dioxide released from other non-photosynthetic organisms cannot be converted to oxygen, so carbon dioxide in air accumulates.
When two different alleles are dominant and determine the phenotype, this is an example of what?
co-dominance
complete dominance
incomplete dominance
None of the above
Answer:
Complete Dominance
Explanation:
This is complete dominance because both of the alleles are dominant, and there are no recessive alleles :)
HELP AGAIN PLEASEEEEEEEEEEEEEEEEEEEEEEE
Answer:
[tex]\red{36)1m = 100cm} \\ [/tex]
[tex]\boxed{\red{right \: \: 2 \: \: places}}[/tex]
[tex]\blue{37)1000 \: micro \: \: meter = 1mm}[/tex]
[tex]\boxed{\blue{left \: \: 3 \: \: places}}[/tex]
[tex]\purple{38)100000cm = 1km}[/tex]
[tex]\boxed{\purple{left \: \: 5 \: \: places}}[/tex]
[tex]\pink{39)1000000000000 \: micro} \\\pink{ meters = 1 \: \: megameter}[/tex]
[tex]\boxed{\pink{left \: \: 12 \: \: places}}[/tex]
[tex]\green{40)1km = 100000cm}[/tex]
[tex]\boxed{\green{right \: \: 5 \: \: places}}[/tex]
What is the benefit of using a shortcut in a reaction between two chemicals? A shortcut would ensure a safer reaction. A shortcut may provide a faster reaction. A reaction with a shortcut would yield more chemical output. A reaction with a shortcut would require less chemical input.
Answer:
A shortcut may provide a faster reaction
Explanation:
Chemical reactions occur in a particular manner and speed if allowed to occur normally. However, shortcuts can be used for the essence of making the reaction proceed much faster than it naturally would. Catalysts are the substances used to provide these shortcuts.
A catalyst is a substance that increases the rate at which a chemical reaction occurs without being chemically used up in the reaction. A catalyst speedens up the chemical reaction by decreasing the activation energy. The activation energy is that energy needed for a chemical reaction to kick start. The higher the activation energy, the slower the reaction proceeds.
A catalyst, thus, creates a shortcut by lowering the activation energy of the chemical reaction, allowing it to proceed faster than when a catalyst is not used.
Answer:
B
Explanation:
Edge 2020
Chart Identify the placement of items A – E using the drop down menus. A B C D E Which kingdoms contain organisms that are prokaryotes? Eubacteria Fungi Protista Archaebacteria
Answer:
Eubacteria and Archaebacteria
Explanation:
Prokaryotes are single-celled organisms that do not have a nucleus
Eukaryotes are typically multicellular, but definitely do have a nucleus
Eubacteria and Archaebacteria DO NOT have nuclei
Fungi (think mushrooms) and Protists do have nuclei- and belong to the Eukaryote group- which means they DO have nuclei
Answer:
Fungi are in the domain
✔ Eukarya
.
Fungi are in the kingdom
✔ Fungi
.
Explanation:
Dr. Asfour is telling his participants before he begins the experiment that their participation is completely voluntary and that they
can stop taking part at any time. Dr. Asfour is:
a, providing peer review.
b. debriefing his participants.
c. obtaining informed consent.
d. performing random assignment.
Answer:
c. obtaining informed consent.
Explanation:
im not 100 sure tho
If everyone on the planet used the same amount of
resources as an average American, what percent of
the Earth would need to be used to support
everyone?
A. 150%
B. 75%
C. 200%
D. 50%
Answer:
While Americans constitute the 5% of the world population, they use around the 24% of the world's energy.
Then, if the 100% of the population were like the Americans, we have:
5%*x = 100%
x = 100%/5% = 20
the whole population is 20 times the population of the US, then the total energy used is 20 times the energy used in the US.
Then the energy that the 100% of the population would use is equal to:
20*24% = 480%
Sowe actually would need like 5 Earths.
So none of the options is matches this, but this may be because this question is about some specific resources and not for the specific energy used. The closest option is 200%
Answer:
the answer is 150 percent
Explanation:
just took the quiz
What is a piece of empirical evidence supporting evolution
Minerals have a crystal structure, yet, crystals are relatively rare. What are the reasons for this?
Answer:
What are relatively rare are crystals of a size visible to the naked eye, and also showing most of the faces that reveal the internal symmetry of their atomic pattern.
Explanation:
Being crystalline, i.e. having a regularly repeated three-dimensional atomic pattern, does not mean that a mineral necessarily formed under conditions where it could nucleate (i.e. assemble as the tiny cluster of atoms that is the “seed” of a single crystal) and keep growing large flat faces until a regular shape becomes visible to the observer.
To a crystallographer who can seek proof of internal atomic order by X-ray diffraction, the actual size of a solid made of highly ordered matter is irrelevant. Specific techniques (variants of X-ray diffraction methods, or polarizing microscopy) can reveal that a solid material is made of a single crystal (i.e. a uniform atomic pattern is repeated in the same orientation anywhere throughout the solid) or consists of many crystals (the same pattern occurs, but it is oriented differently in what are considered individual crystals regardless of their individual shape or size).
For precision, a crystallographer or a mineralogist will use terms such as “monocrystalline” (the atomic pattern has a single orientation throughout the entire specimen, regardless of shape and size) and “polycrystalline” (the specimen is an aggregate, or collection, of “domains” or “grains” in which the atomic pattern is in an orientation different from its neighbours).
A perfect single crystal of quartz, broken in several chunks, doesn’t lose its internal atomic pattern, only its external “habit” (the overall shape imparted by the flat faces that grew, layer by layer, along directions controlled by the rate of addition to the atomic pattern). Each individual broken chip of quartz is considered “monocrystalline” by the mineralogist, even if none ofo them is the whole original crystal.
Most igneous and metamorphic rocks are polycrystalline, i.e. entirely made of crystals, often tightly packed and interlocked. You may discern individual grains mostly when light reflects off surfaces exposed by breaking along preferred directions within some minerals, or because grains from different minerals contrast in colour or luster. Few of the grains will have a regular geometric shape, despite each one being a single crystal. In the case of an igneous rock, some of the well-formed crystal are typically minerals who grew early from the still-liquid magma. Most of the other minerals simply filled the remaining space. If an igneous magma was “gassy” or “watery”, those volatiles may have remained trapped in the last stages of crystallization and formed late pockets in which a few crystals of exceptional quality grew from the remaining dilute magma and had the space needed to fully develop perfect faces. In many rocks, it is later fractures that provided an “open space” in which crystals could grow larger and with well-developed faces from hydrothermal fluids (overheated ion-rich waters), for the future delight of collectors.
Proteins are made from amino acids. An amino
acid has three parts that are joined to a central
carbon atom. Identify the three parts that create
an amino acid,
amino aroun
Answer:
A hydrogen atom, an amino group (NH₂), and a carboxyl group (COOH) make up an amino acid.
Explanation:
Hope this helps. :)
What are villi and what makes them suited for their function?
Answer:
Villi are finger-like projections.They increase the surface area of inner walls and helps alot in absorption of digested food.
Explanation:
Which of the following has the least effect on reproductive potential?
producing more offspring at a time
having a longer life span
reproducing more often
reproducing earlier in life
Answer:
having a longer life span
Explanation: you will be out of eggs by the time your 50
11. Which of the following is not a cause of cell necrosis?
Infection
Blood clot
Injury
Perfusion
Infection, blood clot, and injury all are the causes of cell necrosis except perfusion. Thus, the correct option is D.
Cell Necrosis is the death of the cells which are present in the body tissues. While the dead body tissue can be removed, it cannot be brought back to the good health.
The necrotic tissue appears as white and friable cells, like the clumped cheese. Dead cells in the body disintegrate however are not completely digested by lysosomes, thus leaving granular particles. Microscopic examination of the dead cells show amorphous granular debris that is enclosed within a distinctive inflammatory border.
Cell Necrosis can occur due to different causes such as injury, infections or diseases. Lack of blood flow to body tissues and extreme environmental conditions.
Therefore, the correct option is D.
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What additional evidence
do we have today that
supports Darwin's theory?
A. Cell theory
B. DNA and molecular evidence
C. Process of photosynthesis
D. Method of protein synthesis
Answer: The answer is A cell theory.
Explanation: For our cells to be as developed and complex as they are today a huge evolutional process was necessary. This process is explained in the cell theory
DNA and molecular evidences are the additional evidences to support Darwin's theory. The correct option is B.
What is Darwin's theory?According to Darwin's theory, all species of organisms emerge and develop through natural selection of slight, inherited variations that significantly raise the individual's capacity to compete, stay alive, and reproduce.
It is backed up by research from a wide range of scientific disciplines, as well as genetics, which shows that DNA from different species is similar.
Fossils, embryological studies, anatomical and morphological characteristics, and molecular biology are examples of evidence that support the theory of evolution by comparing DNA sequences.
Thus, the correct option is B.
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In the carbon cycle, what form of carbon do producers take in from the atmosphere to preform photosynthesis?
A. Carbohydrates
B. CO2
C. Protein
D. Solid carbon
E. Water
Answer:
Option B
Explanation:
Producers take in carbon in the form of CO2 from atmosphere to perform photosynthesis clear from the photosynthesis reaction:
Water + CO2 => Food + Oxygen + Energy
How do mutations occur
Answer:
Mutations can occur when a strand of DNA copies itself during cell division.
Mutations can lead to many disorders, and can be damaging.
Hope this helped! :)
Answer:
Mutations can occur when DNA replication errors are made or not made in time
Explanation:
EASY QUESTION. WILL MARK BRAINLIEST.
What role does differential reproduction play in natural selection?
Some organisms have different reproductive success due to nongenetic traits.
Some organisms have traits that help them reach reproductive age.
Different methods of reproduction result in some organisms being genetically altered.
Reproduction varies among organisms due to pathogenic factors.
Answer:
Some organisms have traits that help them reach reproductive age.
Explanation:
Differential reproduction is the concept that during reproduction, organisms will vary and of those organisms, only those who have the proper adaptations will survive and reproduce. Natural selection is the concept that organisms will adapt to their environment and only those who make the proper adaptations will survive and reproduce. Differential reproduction is part of natural selection because only those organisms born with the right adaptations will survive long enough to reach reproductive age.
Answer:
Some organisms have traits that help them reach reproductive age.
Explanation:
I just took the test and it said this was right
Which process produces human egg and sperm cells?
Answer:
Hey there! Your answer will be below.
Explanation:
The answer to your question is gametogenesis or meiosis ( which produces gametes....From meiosis it becomes or forms into gametes.)
So the answer should be gametogenesis/ meiosis....
Hope that helps!
By: xBrainly
Meiosis or gametogenesis is the process that produce human egg and sperm cell.
What is meiosis?Meiosis is a type of reproduction in which a parent cell divide into four daughter cells that are genetically different from the parent cell. The daughter cells have half number of chromosome of the parent cell.
This process produce the gametes which are the sperm cell and egg cell.
Therefore, Meiosis or gametogenesis is the process that produce human egg and sperm cell.
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Which statement is true for photosynthesis? Producers use it. Consumers use it. Scavengers use it. Decomposers use it.
Answer:
A. producers use it
Explanation:
Answer:
A
Explanation:
When doctors hear the details of an autopsy and then learn of the deceased person's diagnosis, they often believe that they could
have predicted the diagnosis. This is an exullnple of the bias.
a. misconception
b. research
c. hindsight
d. commonsense
Answer:
c. hindsight
Explanation:
Hindsight bias is a term used in psychology to explain the tendency of people to overestimate their ability to have predicted an outcome that could not possibly have been predicted.
Drag each label to the correct location on the diagram.
Label the parts of the brain.
cerebrum
thalamus
hypothalamus
brain stem
cerebellum
medulla
oblongata
midbrain
pons
Answer:
Left side: 1-cerebellum 2-hypothalamus 3-pons 4-medulla oblongata
Right side: 1-thalamus 2-midbrain 3-cerebrum 4-brain stem
Explanation:
The correct labelling is
Left side: 1-cerebellum 2-hypothalamus 3-pons 4-medulla oblongataRight side: 1-thalamus 2-midbrain 3-cerebrum 4-brain stemWhat is a Brain?This refers to the part of the body that is responsible for the overall coordination of the body system.
Here, we can see that we need to label correctly the given answer choices according to their positions on the left and right side of the brain and they have been done above.
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2. To which class does a lamprey belong?
Answer:
Agnatha
Explanation:
Lamprey, any of about 43 species of primitive fishlike jawless vertebrates placed with hagfishes in the class Agnatha. Lampreys belong to the family Petromyzonidae. They live in coastal and fresh waters and are found in temperate regions around the world, except Africa.