Answer:
Scientific theories is accepted as a scientific truth, supported by evidence collected by many scientists. The theory of evolution by natural selection is a classic theory. Keeping in mind a Hypothesis is a possible answer to scientific questions.
Explanation:
I majored in Biology
4. The fusion sequence in our Sun starts with two
slamming together.
O neutrons
O protons
O electrons
O neutrinos
Answer:
Coc.k
Explanation:
Coc.k
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What examples of rocks do you see around you? How do you think they were formed?
Answer:
Some examples of rocks are sedimentary rocks and I think they were forms from deposited sediments that were eroded which is then compacted together
Explanation:
Answer:
Metamorphic rock, sedimentary rock and igneous rock are some examples of rocks I see around me. Marble is a metamorphic rock that is formed from sedimentary rock limestone, examples of sedimentary rocks include limestone, sandstone, chalk, coal, claystone and flint. Lastly, igneous rock is formed when magma cools and solidifies, it may do this above or below the Earth's surface to make basalt, granite, pumice, obsidian, tuff, diorite, gabbro or andesite.
Explanation:
This is completely original work feel free to use it!
Brainliest please! it would help out a lot
help plsllsss
question on picture
Answer:
Body temperature
Explanation:
How do cells support the evolution theory?
Answer:
Hope this helps!
Explanation:
The endosymbiotic theory explains how eukaryotic cells evolved. The large and small cells formed a symbiotic relationship in which both cells benefited. Some of the small cells were able to break down the large cell’s wastes for energy. They supplied energy not only to themselves but also to the large cell.
how do photosynthesis and cellular respiration affect the CO2 and O2 in our atmosphere?
Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
The function of mitochondria and chloroplasts is related to energy. In what way does their function differ?
A.
Mitochondria produce energy in prokaryotic cells, while chloroplasts produce energy in eukaryotic cells.
B.
Mitochondria produce energy from food, while chloroplasts produce food from the Sun’s energy.
C.
In plants, mitochondria provide energy in non-green cells, while chloroplasts provide energy to cells in parts of the plant that are green.
D.
Mitochondria provide energy in the night, while chloroplasts provide energy in the day.
E.
Mitochondria provide energy from food synthesized by organelles other than chloroplasts, while chloroplasts provide energy through photosynthesis using the Sun’s energy.
Answer:
The answer is option E- Mitochondria provide energy from food synthesized by organelles other than chloroplasts, while chloroplasts provide energy through photosynthesis using the Sun’s energy.Explanation:
(PLEASE HELP I WILL MARK BRAINLEST) Limestone is a sedimentary rock and marble is a metamorphic rock. Despite limestone and marble having the same chemical makeup, which statement describes why they are classified as different rocks?
They formed at different times.
They were formed from different fossils.
They were formed by different methods.
They formed in different amounts of time.
Answer:
The were formed by different methods
They were formed by different methods is the statement that describes that limestone and marble are classified as different rocks.Therefore, the correct option is C.
What is limestone?Limestone is a sedimentary rock primarily made up of calcium carbonate (CaCO3) in the form of the mineral calcite. It is formed from the accumulation of shells, coral, and other debris from marine organisms.
Marble is a metamorphic rock that forms from limestone, which is a sedimentary rock composed primarily of calcium carbonate (CaCO3). It is formed through a process of metamorphism, which involves the transformation of the original rock through heat and pressure over time. Therefore, the correct option is C.
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The question is incomplete, but most probably the complete question is,
Limestone is a sedimentary rock and marble is a metamorphic rock. Despite limestone and marble having the same chemical makeup, which statement describes why they are classified as different rocks?
A. They formed at different times.
B. They were formed from different fossils.
C. They were formed by different methods.
D. They formed in different amounts of time.
Which would be an autotroph in a grassland ecosystem?
A. monarch butterfly
B. prairie cordgrass
C. mallard duck
D. muskrat
Answer:
B. Prairie Cordgrass
Explanation:
100% on the quick check
Autotroph organisms are capable of producing organic compounds from inorganic sources, such as light. All plants are autotroph organisms. The correct option is B. prairie cordgrass.
Let us review the differences between autotroph and heterotroph organisms.
What is an autotroph organism?
Organisms that can take inorganic substances, such as light, and turn it into food according to their own needs are producers, and they are called autotrophic organisms.
These organisms are by excellence all plants, that photosynthesize.
Autotrophs aborb 1% of the energy that reaches the earth's surface. This small percentage of energy flows through all organisms in the ecosystem -from autotrophs to heterotrophs- until it dissipates in the environment.
What is an heterotrophic organism?
Organisms that are incapable of producing their food are called heterotrophic.
They depend on other organisms from the trophic chain such as plants or other animals to feed on, so they can get proteins and energy.
In the trophic chain, heterotrophic organisms occupy different levels after producers.
The prairie cordgrass is the heterotrophic organism.
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How are herbivore and carnivore alike
Answer:
They both obtain energy by consuming other organisms.
Explanation:
Hope this helps<3
Answer:they both gather energy from other organisms.
Explanation:
Identify the labeled structures.
A: B: C: D: E:
The multiple questions are the same for each question. Please help!
Answer:
e cell wall that is the only one I am sure of because I can hardly see the rest
Identify the converted product of the photosynthesis process.
Darwin proposed as the process that causes evolution to occur.
Answer:
natural selection
Explanation:
Darwin proposed natural selection as the process that causes evolution.
According to the theory of natural selection, the environment naturally selects for genes that confer fitness to organisms over every other gene. In other words, organisms that are able to adapt to an environment survive and contribute more to the subsequent generation while those that are poorly adapted contribute less and gradually fade away from the population.
For example, when a drug is taken a particular pathogen, the susceptible ones among the pathogen's population will die off while the ones with the resistance gene survive, reproduce, and pass on the resistance gene to the subsequent generation. Consequently, the same drug might not work at all for the new generations of the pathogen because the gene that confers fitness has been selected for.
Answer:
Natural Selection
Explanation:
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3. Which process is most directly involved in the
production of egg cells by a female frog?
Dissolving CO2 in the ocean is an example of which sphere movement?
How many chlorine atoms are there in the molecule NiCl2
Answer:
2, that’s what the 2 means.
Explanation:
how do you count Karyotypes like how does one come up with 47 or 46?
Answer:
njjjbbjhhjbvvtuhhvcdfghbhffcvhggfghjhgg
PLEASE HELP ME - In 1839, Schleiden and Schwann began formulating a theory of cells and their role in living organisms. Over time, cell theory has been updated. Modern theory is summarized below. All known living things are made up of cells. The cell is the structural and functional unit of all living things. All cells come from pre-existing cells by division. The flow of energy occurs within cells. Cell theory explains all of the following except a. the growth of animals. b. how viruses require the cells of living organisms to survive. c. how bacteria reproduce. d. the storage of chemical energy in plant cells.
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What are gametes?
male and female reproductive organs
male and female reproductive tissues
male and female reproductive systems
male and female reproductive cells
Answer:
male and female reproductive cellsExplanation:
I hope it helps ❤❤Answer:
the last one
Explanation:
The instructions for the traits of an organism are determined by:
the proportions of A, T, C, and G in DNA molecules
the order of nucleotides in DNA molecules
the length of DNA molecules
the way nucleotides are paired in the two strands of a DNA molecule
Answer:
In all organisms, the instructions for specifying the characteristics of the organism are carried in DNA, a large polymer formed from subunits of four kinds (A, G, C, and T). ...
Most of the cells in a human contain two copies of each of 22 different chromosomes. ...
Changes in DNA (mutations) occur spontaneously at low rates.
You are working in a lab trying to identify a single celled organism. You are not
sure if it is a Protist or a Moneran (Eubacteria or Archaebacteria). What test
would be most useful to determine its identity?
A. Put it in the sun and measure the oxygen levels
B. Determine if it is motile
C. Test its cells for chitin
D. Determine if it has a nucleus
The test that will be most useful to determine the identity of the single-celled organism is to "determine if it has a nucleus".
DIFFERENCE BETWEEN A PROTIST AND MONERAN:
A protist is a member of the kingdom protista characterized by it's single cells and eukaryotic nature.
On the other hand, a MONERAN is a member of the kingdom MONERA and characterized by it's unicellular and prokaryotic nature.
The major difference between Monera and protista is their prokaryotic and eukaryotic cells respectively. Prokaryotic cells do not have a membrane bound nucleus while an eukaryotic cell does.
Since the major difference between Monerans and protists is their possession of a membrane bound nucleus, the identity of the single-celled organism is to "determine if it has a nucleus".
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Which best describes the progress of science
Answer:
Scientific ideas are changed when better ones are found.
Explanation:
What are the locations and end products for the processes of transcription and
translation?
The cytoplasm is the site of translation, the next process that converts a gene into a protein. In order to “read” the sequence of mRNA nucleotides, the ribosome, a specialized complex, interacts with the messenger RNA.
What is role of gene expression in an organism?It serves as both a volume control that raises or lowers the level of proteins produced, and an on/off switch to regulate when proteins are created.
Because a particular protein can only be made when its gene is turned on, gene expression is significant.
But the process of turning a gene into a protein involves numerous steps, and one of these phases—the production of proteins—is essential for the gene expression pathway that can be altered in cancer.
Therefore, transcription occur at nucleus and translation take place in cytoplasm.
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Drag each image to indicate whether it shows point source pollution or non-point source pollution
Answer: The first and the last are point source and the second and third are non-point source.
Explanation: I got these right on the quiz.
The first image and the last image are point source pollution while the second and third images represent non point source pollution.
A point source pollution refers to a pollution that is emerging from a particular point such as from a pipe. It is traceable to a given source. The non - point source pollution is not traceable to any particular source.
In the image as shown, the first image and the last image are point source pollution while the second and third images represent non point source pollution.
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What events must have occurred for fossils of marne organisms to be in a mountain far above sea level?
Answer:
el sapo
Explanation:
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Which pair of structures would provide a positive identification of an animal cell under a microscope?
flagellum, lysosome
nucleus, mitochondrion
ribosome, cell wall
chromatin, chloroplast
flagellum, lysosome: Both of these are found in animal cells, but the real difference is flagellum is ONLY found in animal cells
nucleus, mitochondrion: Both of these are found in Animal cells X
ribosome, cell wall: Cell wall is only in plants X
chromatin, chloroplast: Chloroplast is only found in plant cells X
Explanation:
Firstly cell wall and chloroplasts can only be found in plant cells and will not appear in an animal cell.
Flagellum usually appears in many bacteria (microorganism) and only a few animal cells. Most animal cells do not have flagellum.
However animal cells do have a nucleus which contains important genetic material such as DNA and mitochondrion which creates energy for the cell to use for metabolism inside the cell. (Even though most eukaryote cells have these 2 organelles)
Between the 1st and 2nd options, none of them is exactly correct. But nucleus and mitochondria are more widely found in various types of cells (plants, etc.)
I would choose the 1st option as the best answer here because it is more detailed.
To sciences do not agree on which type of grocery bag is better for the environment what is the most likely outcome of this disagreement
Answer:
paper bags jute bags , cotton bags might be used for the environment
The DNA sequences below show DNA segments for four different species. DNA SEQUENCES Species A TGG CAA CGG CAG ATT TAG Species B TGG CTA CGG CAG ATT TAG Species C TGC CTA CGG CTG ATT TAG Species D TGG CTA CTG CTG ATT TAG Scientists sometimes use DNA sequences such as these to determine the relatedness of different species. Which of the following is a necessary condition for scientists to use DNA sequences in this way?
Answer: I think it's A: the DNA of all organisms contains the same four bases.
Answer:
It’s C
Explanation:
I took the test
Write any three differences between mass and weight
please its aurgent fast
Answer:
See explanation
Explanation:
There are a number of differences between mass and weight, they include;
Mass is a scalar quantity whereas weight is a vector quantity.
Mass is dependent on the quantity of matter present in a body whereas weight depends on the acceleration due to gravity in a particular location on the earths surface.
The SI unit of mass is kilogram whereas the SI unit of weight is Newton.
What happens to a mother offspring when a mutation is in her gamete cells
Answer: her child will have the mutation in all of his/her cells
Explanation:
The process by which modern organisms have descended from ancient organisms
Answer:
evolution, or change over time
Explanation: