Answer:
The beaver population increased
Which statement best explains how the needs of a unicellular organism are
met?
a) cell parts do everything
b) all cells must work together
c) most tissues work together
d) specialized cells work together
Answer:
a) cell parts do everything
Explanation:
Firstly, a unicellular organism is an organism with only one cell. This means that there would be no specialization or differentiation of cells. Also, this means that tissues, which Is the collection of similar cells, cannot be formed.
However, in its single cell, the unicellular organism will contain cell parts or organelles, which are organ-like structures that perform specific task in the cell. Therefore, cell parts in the single cell will do everything.
its A
i took the quiz
The interaction of Rhizobium bacteria with root nodules of legume plants is called
Answer:
Symbiotic association
Answer:
Symbiotic association
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Explanation:
6. Many of the people suffer from the problem of acnes and feel annoyed of the ugly skin texture caused due to the acne spots. Can you guess the microorganism causing these acne?
Answer:
Staphylococcus
Which statement best compares a dolphin and a mushroom? Both need blood and food. Both need food and air. Both need lungs and air. Both need lungs and blood.
Answer:
both need food and air
Explanation:
mushrooms don't have lungs or blood so they only leaves the food and air because mushrooms rely on dead living things that the mushrooms decompose overtime and all plants need oxygen to grow
Answer:
b
Explanation:
How many amino acids must be obtained in the diet because they cannot be made by the body?
Answer:
10
Explanation:
There are 20 amino acids in the body and 10 have to be consumed because the body cannot produce them.
I need help with this problem
Answer:
d) Organic molecules make up most nonliving things.
Explanation:
Nonliving things are not organic so they would not have organic molecules.
How did Louis Pasteur's experiments lead to new scientific understandings of germs?
Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.
Experiments with different magnification lenses showed that germs were real and could be observed.
O Experiments with animals showed that dominant genes could lead to risks of disease.
Experiments with shallow dishes showed that groups of germs could be grown so they could be seen without
microscopes
Answer:
The correct answer is : Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.
Explanation:
Louis Pasteur's experiment with cooking shows that the microbes or germs that cause spoilage of food and disease after eating to an individual, could be killed by the heating process.
His experiment shows that microbes cause food and liquid spoilage which can be prevent by the process of the pasteurization or heating that kill such germs.
Thus, the correct answer is - Experiments with cooking food showed that disease-carrying germs in food could be killed when heated.
Answer: a
Explanation:
bc i took the test
Can you help me i will give you a branlist
Answer:
it has one Valence electrons
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What is the ovum doing during the primary oocyte stage?
Answer:
Explanation:
The process of formation of Oocytes is called Oogenesis.It id the equivalent of spermatogenis in males.it begins in the ovaries where the oocytes divides to form oogoinia by mitosis.
The oogonia under grows growth,and These cells undergo further divisions by meiosis,but the meiotic division is restricted to Prophase 1 of meiosis.These diploid cells are called primary Oocytes,and all further division from this stage remains till puberty in girls.
Answer:
Generally in Prophase 1 of meiosis of any dividing cells the following activities occurs:
1 The nuclear envelope breakdown
2. Bivalent forms and Crossing over of chromatids occurs
3,the nucleoli disappears.
Since the ovum stops at Prophase 1 to form primary oocyte during Oogenesis,therefore these are what occurs in ovum at the primary oocyte stage.
kinds of clothes we wear in summer and winter
Answer:
in summer we wear light coloures and mostly cotton clothes because we swear a lot and cotton is good absorber of water and light cloth so that it does not absorb more heat .
In winter we wear dark coloured and woolen othes to keep us warm the dark coloured clothes helps to absorb heat and keep us warm
Answer:
we wear clothes that cover our skin in winter and the reverse in summer
Explanation:
what would you would need in order to work in forensic science field (one to two sentences).
(Psychology)
a chemoreceptor would allow you to
A.see something
B. Detect you friends features
C. Detect a smell
D. Analyze you environment
a chemoreceptor would allow you to detect a smell .
A person with a low number of white blood cells could have difficulty in fighting infections and A decrease in the number of lymphoid stem cells could result in a decrease in red blood cell.
What is nucleotide?It is the sub units and buIlding blocks of DNA. It is made up of a five-sided sugar, phosphate group and then a nitrogen base.
These groups make the backbone of the DNA helix. If you look at a DNA helix, they make the side of the ladder or the side portion. They connect to a nitrogen base which make the steps of the ladder. The type of sugar that is used in a DNA helix is called deoxyribose.
Nitrogen bases are the molecules that make up the steps of the ladders. There are four different nitrogen bases, namely; Guanine, Thymine,Adenine and Cytosine.
Pyrimidines are compounds that make a single 6-sided ring. Examples of pyrimidines are Cytosine and Thymine. Purines on the other hand make 5-sided and 6-sided rings.
Therefore, A person with a low number of white blood cells could have difficulty in fighting infections and A decrease in the number of lymphoid stem cells could result in a decrease in red blood cell.
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Which of the following environmental factors likely led to the exponential growth seen in fireweed after the Yellowstone wildfires? increase in habitat increase in predation from insects decrease in competition from other plants increase in sunlight increase in nutrients
Answer:
Decrease in competition from other plants.
Explanation:
Decrease in competition from other plants is the environmental factors likely leaf to the exponential growth seen in fireweed after the Yellowstone wildfires because decrease in population from other plants will lead to a particular species dorminating a particular geographical area and this dorminating species are Dorminant when competition has been reduced by wild fire and this will lead to exponential growth where the available resources will be abundance or unlimited or resources increases.
8
Muscle tissue is made up of specialized muscle cells. How are individual muscle cells different from the muscle tissue in the biceps
muscle?
Answer:
Please see below
Explanation:
The specialized muscle cells are skeletal muscle cells belonging to the striated muscle cell category. These are the muscles that are utilized for movement, and are organized into compartments of specific muscle tissues all over the body, including the biceps. Structures known as tendons are responsible for attaching skeletal muscles to bones, generally two to three cm long.
Answer:
Muscle cells are smaller than tissue cells
Explanation:
Cells are small and they are the simple stage.
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A collection of ideas and beliefs that sound like science but not supported by evidence, such as bigfoot, is known as...
theory
fact
pseudoscience
law
Answer:
pseudoscience
Explanation:
In nature, some ideas, beliefs or knowledge are mistaken to be scientific but in actual sense they are not supported by evidence using scientific method. These sorts of ideas are called PSEUDOSCIENCE. They do not follow the scientific method principles, hence, cannot be tested scientifically.
Pseudoscience is termed "fake science" as the name implies because they are brought forth as science in order to justify their claim but they are not in consistency with the scientific method. They lack the ability to be tested as false via experimentation. An example of pseudoscience as stated in the question is Bigfoot
A collection of ideas and beliefs that sound like science but are not supported by evidence, such as bigfoot, is known as - pseudoscience
Pseudoscience
These are the ideas or beliefs that appear to be the same as science are actually come with confirmation but are not supported by evidence whereas science is ideas that are based on pure evidence that can be challenged.
Pseudoscience is based on claims whereas science is based on facts and evidence. Theory, laws, and fact are part of science as these seek falsifications.
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Three of the adaptations would be very important to help a temperate forest plant disperse its population and spread out. One adaptation does not aid in population dispersal. That adapatation is A) runner roots that produce new plants by vegetative propagation. B) the use of large sugary fruits to attract animals. C) the presence of secondary xylem as wood tissue. D) the use of pollinating insects, such as bees.
Answer:
C: the presence of secondary xylem as wood tissue
Explanation:
C: the presence of secondary xylem as wood tissue, this help the tree get harder and stronger but not with population and the spread.
what does independent variable mean in science
Answer:
independent variable refers to the variable that you change or manipulate in an experiment while the dependent variable is dependent on the independent variable and how you change your independent variable will result in the dependent variables outcome.
Explanation:
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3. What are bi-valve animals?
Answer:
Bivalvia, in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. Wikipedia
Explanation:
A block of aluminum occupies a volume of 20.0 mL and weighs 50.0 g. What is its density?
Answer:
[tex] \boxed{\sf Density = 2.5 \ g/mL} [/tex]
Given:
Mass = 50.0 g
Volume = 20.0 mL
To Find:
Density
Explanation:
Formula:
[tex] \boxed{ \bold{Density = \frac{Mass}{Volume}}}[/tex]
Substituting value of mass & volume in the formula:
[tex] \sf \implies Density = \frac{50.0}{20.0} \\ \\ \sf \implies Density = 2.5 \: g/mL [/tex]
Name a structure that is located toward the dorsal side of the body, lateral and superior to the hamstring but inferior to the heart. Note: Transverse sections including this structure would include the pancreas.
Answer: Kidney
Explanation:
Kidney is a structure that is located toward the dorsal side of the body, lateral and superior to the hamstring but inferior to the heart.
The kidneys are a pair of bean shaped organs that are located at the downward part of the rib cage. The body of humans consists of two kidneys one kidney on each side of the spine and they're responsible for the filtering of excess water, waste products, and other impurities out of the human body.
What claims are made by the transporting company? Check all that apply.
The transport is maintained at –18°C.
–18°C maintains the quality of ice cream.
The crystal size of creamy ice cream is 5µm.
They produce creamy ice cream crystals at 15 µm.
They maintain ice cream crystal size at 15 µm.
Answer:
A. The transport is maintained at –18°C.
B. –18°C maintains the quality of ice cream
E. They maintain ice cream crystal size at 15 µm.
Explanation:
The claims that are made by the transporting company are as follows:\
The transport is maintained at –18°C.–18°C maintains the quality of ice cream.They maintain ice cream crystal size at 15 µm.Thus, the correct options for this question are A, B, and E.
What is Claim?A claim may be defined as a type of instance through which one expresses their own right to something that belongs to themselves. It is a statement that asserts something to be true without providing any sort of evidence or proof.
In every field or profession, some claims are present that meet the need for the actual performance of the task by its employees. The same principle is applied to the transporting company as well.
According to the claims of transporting company, the transport is always maintained at –18°C. This is because it is the temperature that maintains the quality of ice cream for a long period of time.
Apart from this, they are also required to maintain ice cream crystal size at 15 µm.
Therefore, the correct options for this question are A, B, and E.
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Why is oxygen more likely to form a polar covalent bond than other elements?
A Oxygen is slightly positive when it forms a covalent polar bond, which is its preferred electrochemical state.
B Oxygen has a high electronegativity and holds shared electrons more tightly than other atoms.
C Oxygen donates its electrons when forming covalent bonds, which are more easily breakable than ionic bonds.
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D Oxygen has eight protons that strongly attract neutrons from small atoms such as hydrogen.
Oxygen is more likely to form a polar covalent bond than other elements because it tends to hold shared electrons more tightly than other atoms.
The polarity of covalent bonds depends on the magnitude of electronegativity difference atoms in the covalent bond. Recall that covalent bonds are formed by sharing of electrons between atoms.
Since oxygen is highly electronegative, it tends to hold shared electrons more tightly than other atoms. Hence, oxygen is more likely to form a polar covalent bond than other elements.
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Which leader of France allowed small businesses to use "Traditional Measurements"? Group of answer choices Louis XVI Louis Phillippe Napoleon Boneparte Charles X
Answer: Napoléon Bonaparte
Explanation:
Napoléon Bonaparte seized political power in France after the 1799 coup d'état, and he then crowned himself as the emperor few years later in 1804. He expanded his empire and eager war against different European countries.
When he took over power, he allowed the small businesses to use traditional measurements that were being redefined in metric terms. It should be noted that the metric system was the standard for formal use.
Which of the following is NOT a result of affluence that is harmful to the
environment?
Look at the numbers used on the vertical axis. What
would happen to the bars on the graph if these numbers
were changed to 100, 150, 200, and 300?
Answer and Explanation: You will find the graph in the attached file
When changing the numbers in the vertical axis of the original graph, you will see that bars tend to get shorter than they originally were. This occurs because new numbers are much bigger than the original numbers, the proportion of the bars changes because they must represent the same information in a much bigger space. Offenlly, this is a tool very used by media to mark a tendency when informing something. So It is very important whenever looking at any graph to see what the axes are telling you because by the size of the bars you might infer something that might be different from what is really going on.
11. Which of the following is not part of the cell theory:
a. All cells come from an existing cell
b. All cells have a nucleus
c. A cell is able to perform all functions necessary to maintain life
d. All living organisms are made up by cells
If a study showed that students have more hours in a drivers education class have fewer accidents this would be a(n)
A. Positive correlation
B. Casual relationship
C. Ambiguous correlation
D. Negative correlation
Answer:
The correct answer is option D. negative correlation.
Explanation:
Negative correlation is a correlation in where the relation between two variables is in such way that if one increases the other variable will decrease and if other variable will increase the first variable will decrease similarly.
In this case the first variable that is hours in driver education class shows increase than the chances of accidents decreases by that students which suggests there is a negative correlation.
Thus, the correct answer is option D. negative correlation.
In an experiment, 6,000 people with a common cold who drank orange juice daily had symptoms that lasted an average of 4 days. Another 6,000 people with a common cold who did not drink orange juice daily had symptoms that lasted an average of 7 days. Scientists repeated the experiment 3 times with the same results. They concluded that orange juice reduces the length of the common cold. Was this conclusion valid, and why?
I NEED THIS ASAP! Myra is reading an article about the success of introduced species of animals into the United States. Which person is most likely considered the authority on the subject? a zoologist a microbiologist a physicist a chemist
Answer:
i would say zooologist
Explanation:
because it talks about animals
✅A zoologist✅
Myra is reading an article about the success of introduced species of animals into the United States.
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All of the following are occupations available to psychologists with a master’s degree except __________. data collector in universities counseling psychology professor industrial/organizational psychologist a therapist whose clinical work is supervised
Answer:
b for 2020 online
Explanation:
All the following are occupations available to psychologists with a master’s degree, except counseling. The correct option is B.
What is psychology?Psychology is a subject of science that deals with the mind and behavior. It includes the conscious and unconscious section of the mind. The feelings of the people and the effect of trauma and other things on the behavior of a person come under psychology.
A psychologist is a doctor or expert in psychology. These people talk to the patients or counsel them and treat their psychological problems of them. They also prescribe medicines. The psychologist with a master's degree can not counsel the patient because he is not ready yet.
Thus, the correct option is B, counseling.
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