Answer: D)organisms that possess overall characteristics best suited to their environment
Explanation: organisms that can evolve best suited have a better chance of life for example if put a rat in the arctic it will die to the cold but a paler bear will survive.
Type the word
Definition
Usage
Answer: definition is the fact of being used
Explanation: your using that object so it’s being used
Answer:
Definition Usage
Explanation:
in an experiment, the group that is expossed to the variable to be tested is called what
Answer:
An experimental group
Explanation:
An experimental group is a test sample or the group that receives an experimental procedure. This group is exposed to changes in the independent variable being tested.
Sandra is growing mums in her backyard and wants to determine how much water she should give the plants to produce the most flowers. Plant A receives only rainwater and is given no additional water. Plant B receives rainwater and an additional cup of water per day. Plant C receives rainwater and an additional two cups of water per day. All mums are given the same amount of sunlight and fertilizer. a. Control Group _______________________________________________ b. Experimental Group __________________________________________ c. Independent Variable _________________________________________ d. Dependent Variable ___________________________________________ e. Constants ___________________________________________________
Answer: gay lol
Explanation:
how many times the larva of silk worm moult?
Answer:
The larva is the silkworm caterpillar. Since the silkworm grows so much, it must shed its skin four times while it is growing. These stages-within-a-stage are called instars.
Explanation:
How many amino acids must be obtained in the diet because they cannot be made by the body?
2
5
10
20
Answer:
The answer would be C, or 10.
Explanation:
Answer:
10
Explanation:
i took the test
what is infectious disease
Answer: Historically, an infectious disease leads to millions of deaths. Nowadays, usually infections are caused by drugs and age. Which would be the incubation period. There are many infectious periods of time a person can spread a disease, also. Hope this helped? Sorry if it didn't! I'm a starter haha.
What are the main parts of an animal cell? State their properties and functions.
Nucleus - the control center of the cell.
Ribosomes - Produce proteins (protein synthesis)
Nuclear Membrane - controls what enters and leaves the nucleus.
Mitochondria - power house, produces ATP
Golgi bodies - packages proteins
Vacuole - stores water, waste, and food
Cytoplasm - suspends organelles
Endoplasmic reticulum - transport system for materials
Cell membrane - controls what enters and leaves the cell
Centriole - aids in cell division
Nucleolus - makes RNA
Cytoskeleton - helps organelles move from place to place
Microfilament - help cells change shape; structural support
Microtubules - Provide attachment places for organelles and provide tracks for organelles movement
7
The low temperatures in Colton for 5 consecutive days were -8°F, -13°F,
- 4"F, -9°F, and -16°F. What was the average low temperature for the 5
days? (do not label your answer)
10 points
Your answer
This is a required question
Answer:
-10
Explanation:
add all temperatures together divide by 5 for your average
Answer:
-10°F
Explanation:
We want to find the average low temperature for the five days. To find an average, add up every value, then divide by the number of values.
The data given is:
-8°F, -13°F, -4°F, -9°F, -16°F
1. Add the values
-8 + -13 + -4 + -9 + -16
-50
2. Divide by the number of values
Count how many numbers there are. The data was for 5 days, so there are 5 values.
-50/5
-10
The average low temperature for the 5 days was -10 degrees Fahrenheit.
how is radiation transformed into other forms of energy
Radiation can be defined as the energy that comes from a source travelling at the speed of the light and having a electric and magnetic field around it.
Radiation is capable of even travelling through the vacuum. It travels in the form such as the electromagnetic waves.These waves, such as the sun rays, strike the Earth surface or any other object are converted into different forms of energy.Radiations are absorbed by different organisms or objects and then utilized by converting them in different forms of energy.This conversion is a heat transfer.Thus, radiations are converted to different forms of energy using heat transfer process.
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What molecule is produced as a byproduct when two or more monosaccharides are combined together?
Answer; Disaccharide is form when two monosaccharides undergo a dehydration reaction ( or a condensation reaction).
Earth scientists study the history of the earth. What are some ways that they determine the age of the earth or geologic features (for example, what did William Smith do?)? Which techniques are most accurate to help with this process? How has our understanding of the age of the earth changed over time
Answer:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
Explanation:
During which period of Earth's history did four-legged animals appear on land?
Answer:
The dinasaur age
Explanation:
ROOOAARRR
Why is evolution considered a scientific theory?
A. Because it is a hypothesis.
B. Because it is a guess made by scientists.
C. Because it was thought of by scientists.
D. Because it is supported by scientific data.
Evolution considered a scientific theory because it is supported by scientific data. Thus option D is correct.
What is evolution ?
A change in the characteristics of a species over several generations due to various cause such as natural selection.
Evolution has different components such as Natural Selection, Macro-evolution, and Micro-evolution.
Natural selection is the method that drives evolution of a species. The organism can undergo adaption in a given habitat to increase the survival rate more than others.
Several factor can influence evolution such as gene flow refers to change in allele frequency in a population due to immigration and emigration.
secondly genetic drift refers to an existing population produces a new and smaller population with less variation in a random manner.
Mutation also add a favorable allele leads to increase in frequency in a population.
Sexual selection refers to selection of successful trait for mating which increase the frequency.
Thus option D is correct.
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Answer: this it fasho
Explanation:
describe the following conditions: diuresis, glycosuria and polyuria
Answer:
Explanation:In the absence of diabetes mellitus and diuretic use, the most common causes of chronic polyuria are primary polydipsia, central diabetes insipidus, and nephrogenic diabetes insipidus. Hypernatremia can indicate central or nephrogenic diabetes insipidus. Hyponatremia is more characteristic of polydipsia.
The most common cause of polyuria in both adults and children is uncontrolled diabetes mellitus, which causes osmotic diuresis, when glucose levels are so high that glucose is excreted in the urine. Water follows the glucose concentration passively, leading to abnormally high urine output.
"The first step of an action potential involves a large concentration of _____ passing through the cell membrane."
Answer: Sodium
Explanation:
An action potential is a wave of electrical discharge that travels along the cell membrane modifying its electrical charge distribution. Action potentials are used in the body to carry information between tissues, making them an essential feature for life.
They can be generated by various types of body cells, but the most active in their use are the cells of the nervous system to send messages between nerve cells (synapses) or from nerve cells to other body tissues, such as muscle or glands. There is always a potential difference or membrane potential between the inner and outer part of the cell membrane (usually ~70 mV). The charge of an active cell membrane remains negative (inside vs. outside) and varies within narrow images.
The difference in membrane potential is due to the differential distribution of ions (mostly chlorine and sodium on the outside of the cell, and potassium and organic anions on the inside). The cause of the action potential is the exchange of ions across the cell membrane. First, a stimulus opens the sodium channels. Since there are some sodium ions on the outside, and the inside of the neuron is negative relative to the outside, the sodium ions quickly enter the neuron. Sodium is positively charged, so the neuron becomes more positive and begins to depolarize. Potassium channels take a little longer to open; once opened, potassium quickly leaves the cell, reversing the depolarization. At about this time, the sodium channels begin to close, bringing the action potential back to -70 mV (repolarization).
Which processes form glaciers
Glaciers configure the land through the processes of abrasion, weathering, passage, and deposition creating a specific landform.
What are Glaciers?A glacier is the deposition of crystallized ice, snow, and often liquid water that originates on land and moves down under the effect of its own gravity and mass.
Glaciers are formed by the action of crystalline ice that remains in the same area over a long period of time. A layer by layer deposition of snow accumulates compression to previous layers, and sometimes there is a passage of liquid that is a melted form of snow under the effect of its own mass and gravity.
Therefore, glaciers are formed by four major processes which are described above.
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How many electrons go on the 1 electron level
what claim is the author making about the importance of stage 2 sleep?
Answer:
The correct answer is - sleeping soon after a major event would lead more likely to turn the experience into long-term memories.
Explanation:
According to the author sleep has two stage about half of the total sleeping time is consumed by the stage 2 sleeping. According to the passage sleep helps in assembling and arranging the memory on their importance which to save and which to eliminate.
In this passage also suggested that sleeping soon after a major occasion or event, and there was no proper time to mentally resolved, is more likely to make this as long-term memories.
Explain the difference between physical and chemical properties. Provide an example of each.
Answer: A physical property is when something can be observed or measured without being changed. A chemical property is when a substance undergoes a specific chemical change. Examples of physical property are color or density. Examples of chemical properties are flammability or heat of combustion.
I hope that this helps you !
The difference between physical and chemical properties of a substance depend on the fact that they affect the substance physically or affects its properties and identity.
Substances have characteristics that help in identify and thus classify them. Two of the broad classifications of these would include the chemical and physical properties of a particular substance.
Physical properties are those that can be identified without changing the identity of the substance.change in the physical appearance of matter such as color, density, hardness , are examples of physical properties.Properties that describe how a substance changes into a completely different substance are called chemical properties.Flammability and corrosion resistance are examples of chemical properties.Thus, the physical and chemical properties of a substance depend on the fact that they affect the substance physically or affects its properties and identity.
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please help due at 12 am please
In a population of seahorses, red seahorses on average produce 125 offspring and brown seahorses produce 75 offspring. What is the fitness of the brown phenotype?
what is the answer?
Answer:
D: Truck
Explanation:
The truck has the largest mass combined with the speed = the greatest kinetic energy value
what happens to the C6H12O6 when it is eaten by elk
Answer:
There are no options but the answer can be provided based on general understanding. The answer is:
It is used to synthesize energy (ATP)
Explanation:
C6H12O6 is the chemical formula for glucose molecule, which is a simple sugar or monosaccharide. It is the simplest unit of carbohydrate molecules. Glucose is a precursor of cellular energy i.e. ATP in living systems. When food is eaten by an organism such as elf, it gets broken down or digested to a simpler unit, which is usually glucose.
This glucose is then absorbed by the cells of the organism, where the stored energy in its bonds is converted to a usable energy by the cell, called Adenosine triphosphate (ATP) in a process called CELLULAR RESPIRATION. Hence, the C6H12O6 (glucose), when eaten by an organism such as an elk, is used as a source of energy to the cell.
Which characteristic of life should be the title of this graph
Answer:
Growth
Explanation:
What is an "asterism?"
A popular group of stars or pattern in the night sky
A star shaped icon on your keyboard
A constellation in the southern hemisphere
A constellation only visible at certain times of the year
Answer:
An "Asterism" is best defined as: A, A popular group of stars or pattern in the night sky
Explanation:
Essentially, an asterism (a recognizable pattern of stars) is part of a constellation, a larger group of stars that cover a region/area of the sky. For example, the Big Dipper is an asterism that is part of the constellation Ursa Major (aka Great Bear).
Hope this helps!
3. Enzymes, which influence chemical reactions, are complex types of:*
carbohydrates
O proteins
nucleic acids
lipids
occobarid
olysaccharides as
Answer:
proteins
Explanation:
proteins
hope I helped
Which statement accurately describes the atoms of a specific element.
I'm pretty sure your answer is going to be (D)
How much momentum does a spaceship carrying rocks have? A. It has no momentum. B. It has less momentum than an empty spaceship traveling at the same velocity. C. It has more momentum than an empty spaceship traveling at the same velocity. D. It has the same amount of momentum as an empty spaceship traveling at the same velocity.
We can define the momentum of a moving object as the "amount of motion" and can be written as:
P = M*V
Where M is the mass and V is the velocity.
With this we will see that the correct option is B: "It has less momentum than an empty spaceship traveling at the same velocity."
Now we want to see which statement fits bets the momentum of the spaceship, let's analyze each option:
A) "It has no momentum."
If the spaceship moves, it has momentum, so this is false.
B) "It has less momentum than an empty spaceship traveling at the same velocity."
This is true, if the spaceship is empty, then it has less mass, thus the momentum would be smaller.
C) " It has more momentum than an empty spaceship traveling at the same velocity."
This is false, the same reasoning as above.
D) "It has the same amount of momentum as an empty spaceship traveling at the same velocity"
This is false, the same reasoning as above.
Finally, we can conclude that the correct option is B.
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Answer: it has more momentum than an empty spaceship traveling at the same velocity
the answer to the question in the comments is bowling ball
Explanation: I took the test and failed because of them
Which of the following is an example of a scientific question?
a. Is experimenting on white mice right or wrong?
b. Should scientists make as much money as athletes?
c. Does tanning harm the skin?
d. Who is the most famous scientist in the world?
Please
Starting in 1850 when Europe become industrialized, the frequency of melanic forms of the peppered moth in populations ______ until they made up ______ of some population.
Answer:
increased; almost 100%
Explanation:
The peppered moth witnessed a change in its color and the number at the end of the eighteenth century. The reason behind this was the Industrial Revolution that led to an increase in air pollution. With the increase in air pollution, the dark-colored moths increased in the number. Later, when air pollution decreased, the light-colored moths started to predominate. It was in 1895 that the number of dark-colored moths increased to the maximum.