The streamline body of a fish enables it to easily move through water current without having to experience much difficult. In short, it doesn't have any body structure compared to that of a neck and this enabling it to move faster and easier in water.
A bony fish's streamlined body is an adaptation that allows it to survive in water. A bony fish's body is hydrodynamically shaped, which implies that it has a form that lessens the drag it feels in the water.
What is the reason for them being crucial ?This is crucial because it enables the fish to swim more effectively, which enables it to move more quickly and for longer stretches of time without using up a lot of energy. Bony fish have streamlined bodies that allow them to glide through the water more silently.
This is important as it enables the fish to sneak up on prey without being detected, and also helps it to avoid predators. Additionally, the shape of the body lessens turbulence in the water, which aids in minimising the noise the fish makes.
A bony fish's sleek shape also aids in maintaining stability and balance in the water. The fish can maintain its equilibrium and avoid being knocked off course by waves and currents because to the body's reduced drag and turbulence design. The fish can move more swiftly and effectively as a result, which also helps it evade predators.
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Draw the phases of mitosis of a cell that contains four chromosomes as its diploid or 2n number
Answer:
Please find the diagram attached and explanation below.
Explanation:
Mitosis is a type of cell division that forms two genetically identical cells. It involves four stages viz; prophase, metaphase, anaphase, and telophase.
Considering a diploid (2n) cell with four (4) number of chromosomes.
Prophase- four duplicated chromosomes condense and pair up.
Metaphase- four chromosomes line up at the cell plate or equator in order to get separated.
Anaphase- the sister chromatids are pulled apart by the spindle microtubules
Telophase: the chromosomes recoil and organelles form at opposite poles of the cell.
At the end of cytokinesis, which is division of the cytoplasm, four chromatids are present in each daughter cell. The chromatids becomes individual chromosomes that retain the diploid (2n) chromosome number of four.
Mitosis is a cell cycle division in which the parent cell divides into two daughter cells with alike chromosome numbers.
It consists of four steps namely prophase, metaphase, anaphase and telophase.
According to the question, the diploid (2n) cell with four chromosomes will divide by the following stages. Find the attached image below for the diagram:
Prophase- four copied chromosomes will consolidate and pairing will happen.Metaphase- the joined chromosomes will queue at the middle of the cell plate or equator.Anaphase- the sister chromatids begins stretching apart by the spindle micro tubules near the edge of the poles.Telophase: the chromosomes commence recoiling and other organelles start developing at the corresponding poles of the cell.This was the process of karyokinesis and will be followed by cytokinesis that is the cytoplasm division.
Now the chromatids will become individual chromosomes and two diploids (2n) daughter cells will be formed.
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Is the Earth an open, closed, or isolated system? Explain.
Answer:
Closed Systems. The earth system as a whole is a closed system. ... Virtually no mass is exchanged between the Earth system and the rest of the universe (except for an occasional meteorite). However, energy in the form of solar radiation passes from the Sun, through the atmosphere to the surface.
Explanation:
Answer:
The earth is a closed system because only energy is naturally transferred outside the atmosphere.
Explanation:
A closed system is a system in which only energy is transferred with its surroundings. An open system, however, is a system in which both energy and matter can transfer.
for an experiment to produce useful data what must happen
Answer:
Im not very sure how to answer that question, if you had a list of answers it would be a tad easier
Explanation:
Four basic components that affect the validity of an experiment are the control, independent and dependent variables, and constants. These basic requirements need to be present and identified to consider an experiment valid.
Maybe this will help ^^
what is excretion,list the ecretory product for mammals and indicate where each product is formed,make labelled of the nephron of a mammal
Explanation:
The mammalian kidney is a compact organ with two distinct regions: cortex and medulla. The functional unit of the kidney is the nephron. Each nephron is a tubular structure consisting of four regions. It arises in the cortex as a small vesicle about one-fifth of a millimetre (0.008 inch) in diameter, known as Bowman’s capsule, into which projects a tuft of capillary blood vessels, the glomerulus. Bowman’s capsule is continuous with the proximal convoluted tubule, which also lies in the cortex. Following the proximal convoluted tubule is the loop of Henle, which descends into the medulla and then runs straight up again to the cortex where it continues as the distal convoluted tubule. A collecting tubule, into which several nephrons open, courses through the medulla to open a wide cavity, the pelvis of the kidney. From the pelvis the ureter leads to the bladder, and from the bladder the urethra leads out of the body.
1. Has it been tested and observed numerous times by more than
one group of scientists?
Answer:
Yes, it has.
Explanation:
Replicability of an experiment holds great importance in the scientific world. Different groups of scientists ought to be able to replicate a certain experiment to achieve the same results/conclusions as the first team of scientists did. This is essential to prove that the findings are credible and did not just occur by chance, which is the case here too.
Choose all the answers that apply.
Ethical scientists ______
keep detailed records
make biased conclusions
follow the scientific method
communicate experimental results
report inaccurate date
Answer:
keep detailed records
Explanation:
In a honeybee colony the queen stores sperm from male bees, or drones. She then lays thousands of eggs and uses the stored sperm to fertilize them and create offspring. Even when the stored sperm runs out, offspring drones are born in the hive. How is this possible? A) The unfertilized eggs became drones through regeneration. B) The unfertilized eggs became drones through fragmentation. C) The unfertilized eggs became drones through binary fission. D) The unfertilized eggs became drones through parthenogenesis
Answer:
D
Explanation: Parthenogenesis is a natural form of asexual reproduction in which growth and development of embryos occur without fertilization by sperm. In animals, parthenogenesis means development of an embryo from an unfertilized egg cell. In plants parthenogenesis is a component process of apomixis.
Which of the following can be categorized as prokaryotic
Answer:
1. Animals,
2. plants,
3 fungi,
4 protists are all eukaryotes
Explanation:
hope it's help u
what is the term for a membrane-enclosed structure within a cell that performs a specific function?
Answer:
Nucleus
Explanation:
The science and tools used to advance agriculture are known as?
Answer:
biotechnology
Explanation:
In agriculture, biotechnology is using technology to make new discoveries and innovations in crop farming and farm animals
Predict why is blood sugar important to understanding the type of food you eat.
Answer:
Blood sugar, also known as blood glucose, comes from the food you eat. Your body creates blood sugar by digesting some food into a sugar that circulates in your bloodstream. Blood sugar is used for energy. The sugar that isn't needed to fuel your body right away gets stored in cells for later use.
Explanation:
Answer:
that isn't needed to fuel your body right away gets stored in cells for later use.
Explanation:
Which describes the composition of carbohydrates
Answer:
are hydrates consist of carbon hydrogen and oxygen the general structure of carbohydrates is (CH2O)n. they are ganic compounds organized in the form of aldehydes or ketones with multiple hydroxyl groups coming up the carbon chain.
Why would another parasitic organism, such as a disease-causing bacteria, be
considered a living organism?
Please!!
Explanation:
Hey there!!
The reason is as per the characteristics of living organism, they multiply their number (replicate) and feeds on various host body.
Hope it helps...
What is the definition of control
Answer:
Control is the power or authority to influence or to exercise restraining or directing influence over people's behaviour or the course of events.
Explanation:
A biochemical Lugol test involved dropping iodine on a cracker and observing
whether the reagent changes color or not. If this test indicated that starches are
present, which monomer would be associated with this test?
Answer:
glucose
Explanation:
Starch is composed of glucose monomers linked by glycosidic bonds.
why does kids have mothers
Answer: Because, as of now, there is no way to "create" a human without the "use" of a womb
Explanation:
Which is the MOST accurate statement about cells?
(A) While all organisms have the same total number of cells, the types of cells differ,
(B) Cells are the body's building blocks, the units that make up all organisms.
(C) Cells are identical inside, which equips them to do fundamental things like making copies of themselves.
(D) While animal and plant cells differ because of the cell wall, cells are otherwise the same outside.
The most accurate statement about cells is that they are the body's building
blocks, the units that make up all organisms.
Cells are regarded as the smallest unit of life and the different aggregations
is what forms the tissues, organs and system which make up all organisms.
This is why it is referred to as the building block of all organisms.
Organisms don't possess equal number of cells and all aren't identical as a
result of the various functions each type performs.
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What is the Chemical formula for the molecule shown?
Answer:
NH3
Explanation:
Ammonia is a chemical compound formed by the chemical combination of Nitrogen and Hydrogen atoms. One Nitrogen and three hydrogen atoms are joined together by a covalent bond to form the ammonia compound. Hence, ammonia has a chemical formula of NH3.
Therefore, the molecule shown in the image, which is identified as ammonia has a chemical formula: NH3. Ammonia is a gaseous substance at room temperature and gives a pungent odor when inhaled.
We did not use a control group in this experiment. What is the purpose of the control group and how could we have set up with one for this experiment?
Answer:
The experiment will be faulty
Explanation:
To set up a control group, you pick individuals at random( so you don't just get a group to be of the same character, or opinion).
The control group is vital in every experiment because, sometimes our hypothesis could be mere coincidence or assumptions. So the control group will be compared to the test group to see if the results are correct. Plus look at it this way, without a control group, your hypothesis wouldn't be a theory.
(20points)
Students created a Venn diagram in class, comparing plant and animal cells. What is incorrect in the Venn diagram?
A) Both animal and plant cells have centrioles. That term should be in the center.
B) Only plant cells have vacuoles. That term should only appear on the plant side.
C) Plant and animal cells have a cell membrane. That term should be in the center.
D) There is nothing wrong with the information represented in the Venn diagram.
Answer:
C
Explanation:
Plant and animal cells have a cell membrane. That term should be in the center is incorrect in the Venn diagram.
What are the features of Venn diagram?
A Venn diagram is a widely used diagram style that shows the logical relation between sets, popularized by John Venn in the 1880s. The diagrams are used to teach elementary set theory, and to illustrate simple set relationships in probability.
Moreover, a Venn diagram is an illustration that uses circles to show the relationships among things or finite groups of things. Circles that overlap have a commonality while circles that do not overlap do not share those traits.
A Venn diagram uses overlapping circles or other shapes to illustrate the logical relationships between two or more sets of items. Often, they serve to graphically organize things, highlighting how the items are similar and different.
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Oil and fats are types of
Oils and fats are types of lipids.
Answer:
they are a type of lipid fats.
hope this helps!
The recommended order of draw for a complete blood count, prothrombin time, and cholesterol is:________
Answer:
The use of the word "draw" here refers to the collection of blood samples for laboratory tests.
Step A - The first draw goes into the blood culture bottle or tube with a yellow cover.
Step B - This goes into the coagulation tube with a blue cover.
Step C - The next draw goes into the tube for non-additives. This usually has a red top
Step D - This features collection of blood into the tubes with additives. When dealing with additives, blood samples and additives it is important that the sample and additive is rigorously homogenized. This part can is broken down as follows:
this goes into the SST tube. This tube contains a seperator and a clot activator and is usually is colour coded reddish-gray or gold top.This tube contains Sodium heparin and has a leaf green topThis tube (PST) contains PST contains lithium heparin anticoagulant and a gel separator. It's cover is colour coded light greenThis tube contains Ethylenediaminetetraacetic acid or EDTA for short. It's cover is usually colour coded lavendarThis tube is labelled ACD that is Acid Citrate Dextrose. It's top is coded light yellowthis tube contains Oxalate/Fluoride and it's cover must be colour coded gray.
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what is a weather font?
A weather front is a boundary separating bands of thunderstorms and severe weather, and may on occasion be preceded by squall lines or dry lines. Warm fronts are usually preceded by stratiform precipitation and fog. The weather usually clears quickly after a front's passage
Which statement best describes the relationship of photosynthesis and energy?
The process of photosynthesis is energy-storing because the process converts light energy into chemical energy,
which is stored in the bonds of glucose.
The process of photosynthesis is energy-releasing because the process converts light energy into free energy that
can be used for cell functions.
The process of photosynthesis is energy-conserving because no energy is used throughout the process of forming
glucose and oxygen molecules.
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:
the
Explanation:
process of photosynthesis is energy releasing because the process concerts light energy into free energy that can be used for ceel function
Simplify the following expression. (2x - 5)(6x2 - 6x - 11) A. 12x3 + 18x2 - 52x - 55 B. 12x3 - 42x2 + 8x + 55 C. 12x3 - 18x2 - 52x + 55 D. 12x3 - 42x2 + 8x - 55
Answer:
none of the following are correct.
Explanation:
the correct answer is 12x^3 - 42x^2 + 18x + 55
Answer:
None of the given answers are correct
Explanation:
True or false? A testable question has two parts, an independent variable and a dependent variable
Answer; true
Explanation:
The characteristics of life help scientist study all organisms both living and extinct suck as the horse and horse ancestors shown earlier.
2. The skeletons and fossils shown in the previous illustration provide evidence for what process?
3. If you compared the skeleton of an adult horse to that of a newborn foal, what would you be studying?
4. A scientist compares the DNA sequence of Equus and Merychippus and draws conclusions about their genes and proteins. This would be an example of what characteristic of life?
Answer:
The correct answer is ;
1. evolution.
2. growth and development
3. every living organism grows or develop
Explanation:
Fossils and traces and body remain provide information about the evolution of organisms and earth was found and how much it is change from then to modern organism and modern earth.
Comparing the skeleton of an adult horse to that of newborn foal provides the information of growth and development of the bones of foal to the adult horse.
Developing or growing is the property of life which is found in every living organism and comparison of the DNA sequence of Equus and Merychippus and draws conclusions about their genes and proteins isan example of this property.
Answer:
1 evolution
2. growth and development
3. universal genetic code
Explanation:
How is a carrot an amoeba and bacterium alike
Answer:
All made of cells, All have the DNA-->RNA-->Protein method of information transfer(can't think of exact word)
Explanation:
Answer:
They are all made of cells
Explanation:
Model organisms are used to test hypothesis because:____.
Answer:
A model organism is a species that has been widely studied, usually because it is easy to maintain and breed in a laboratory setting and has particular experimental advantages. Model organisms are non-human species that are used in the laboratory to help scientists understand biological processes
Explanation:
What is a unique characteristic of stem cells that makes them important