Answer:
There are many different organ systems that are involved in when we exercise. The three main ones are the respiratory system which is involved in breathing, the circulatory system which circulates blood flow throughout the body and lastly the muscular system, as you use muscles when you are moving.
Explanation:
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The term "survival of the fittest' means
A. The strongest organism will survive.
B. Natural variation among organisms causes more offspring being produced by one set of parents.
C. The strongest, fittest predator will survive
D. Natural variation among organisms causes some to survive and reproduce more than others.
Please help me
What is most likely to happen to an abandoned strip mine over time?
a.
The strip mine is likely to completely recover over time.
b.
The strip mine is likely to remain exactly as it is left when abandoned.
c.
The strip is likely to partly recover, but never return to its original state.
d.
The strip mine is likely to become a lake.
Answer:
C.The strip is likely to partly recover, but never return to its original state.
Explanation:
The statement that is most likely to happen to an abandoned strip mine over time is the strip is likely to partly recover, but never return to its original state.
What do you mean by Strip mine?Strip mine may be defined as the process of the removal of soil and rock above a layer or seam, followed by the expulsion of the exposed mineral.
Strip mine harshly erodes the soil and reduces its fertility. It also destroys the forests, landscape, and wildlife habitats as vegetation from the strip mining area are cleared.
Therefore, the statement that is most likely to happen to an abandoned strip mine over time is the strip is likely to partly recover, but never return to its original state.
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please answer! -
Give 3 examples of biotic and abiotic factors found in the woods.
Answer:
Definition: Abiotic factors are non-living things, and biotic factors are living!
That being said, 3 abiotic factors would be rain, wind, and soil. 3 biotic factors are plants, trees, and any animal you may find!
Explanation:
Hope I helped!
Answer:
Biotic:
1. Plants
2. Animals
3. Fungi
Abiotic:
1. Sunlight
2. soil
3. minerals
4. water
Explanation:
Biotic factors are living organisms such as plants, animals, humans, fungi, bacteria, and protists.
Abiotic factors are non-living factors such as the sun, water, soil, buildings, temperature, and minerals.
Hope this helps! :)
Nhich of the following statements is NOT true?
Answer:
A.
Explanation:
A.
PLEASE HELP ME ON THIS QUESTION ASAP!!!!!!!!
Answer:
3
Explanation:
3 I believe!
PLEASE ANSWER THIS!!
Answer:
C
Explanation:
pls answer this i need help fast!!
Answer:
Ok here
Explanation:
Answer:
Body System Primary Function
Reproductive Reproduction
Nervous/Sensory Communication between and coordination of all the body systems
Integumentary Protects against damage
Muscular/Skeletal Provides form, support, stability, and movement to the body
Explanation:
(a) Christina wants to increase the number of eggs per year by using selective breeding.
(i)Which two chickens should she breed together?
(ii) Christina chooses chickens to breed from the offspring.
Which ones should she choose?
Simple is a good word to describe the fundamental approach. It is likely that her daughters will likewise be effective layers if you breed from the hen that produces the most eggs. This is so because a hen's genes, which she gets from her parents, play a factor in determining how many eggs she lays.
How did chickens raised for meat become a product of selective breeding?Increased growth rate and higher meat output were the primary objectives of selective breeding in meat chickens in the 1960s (i.e. producing larger chickens in less time). These days, the strategy is much more balanced, with health and wellbeing of the breeding animals playing a key role.
Inbreeding, linebreeding, and outcrossing are methods used in animal breeding.
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What types of organisms would you expect to see in an area that recently experienced a volcanic eruption?
a.
trees
b.
mosses and algae
c.
grass and bushes
d.
all types of organisms in fewer numbers
Answer:
B. Mosses and algae EDGE
Explanation:
Alice was participating in a photosynthesis lab for science class. The lab procedures instructed Alice to prepare a test tube containing water, a sprig of elodea (a common aquarium plant), and 10 g of sodium bicarbonate (NaHCO3). She was then instructed to place the test tube in front of a strong light source for one minute. Alice noticed tiny bubbles forming on the leaves of the elodea. What is the most logical explanation for why Alice saw bubbles forming on the leaves of the elodea?Group of answer choicesThe bubbles formed as a result of the hydrogen from the sodium bicarbonate mixture dissolving the elodea leaves.The bubbles formed from the release of water molecules from the elodea leaves.The bubbles formed as the elodea plant released oxygen from the elodea leaves.The bubbles formed as the elodea plant released carbon dioxide from the elodea leaves.
Step 1.
Write down the experiment data.
- tube containing water;
- alodea (photosynthetic organism);
- 10 g of sodium bicarbonate;
- light source.
Step 2.
Why bubbles are formed on the leaves of the alodea?
The experiment have all the condictions for photosynthesis, since it provides: water (that is in the tube), CO2 (because of the dissolved sodium bicarbonate), light (because of the string light source). Therefore the most ogical explanation for Alice experiment results is: the bubbles formed as the elodea plant releases oxygen from the elodea leaves, that because with all the elements in the experiment the plant can do a normal photosynthetic process that way realing oxygen in the tube and forming bubbles of "air".
3. A small spider mite species has populations on several islands in the South
Pacific. They live inside coconuts and exclusively eat smaller insects on the outer
husk of the coconuts. During heavy storms, coconuts containing the spider mites
can be carried from one island to another where the mites successfully breed with
members of the same species on the new island. This is an example of -
A Bottleneck
B Mutation
C Gene flow
D Gene recombination
This is an example of - B Mutation
What principle underlies the notion of evolution?
Populations and species of organisms change through time; this is the fundamental tenet of biological evolution.
Genetic variations that are advantageous to an individual's survival are passed on through reproduction under natural selection. New organisms born as a result have a higher chance of surviving and reproducing.
Reproduction, heredity, variation in organism fitness, and diversity in individual traits among population members are the four prerequisites for natural selection to take place. Natural selection takes place automatically if they are met.
Variation, inheritance, selection, and time are the four principles that drive evolution. These are viewed as being part of the natural selection-based evolutionary system.
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The systematic study of the biosphere's organisms is called
According to the graph, which region's population is expected to get smaller
between 2010 and 2050?
Answer:
Europe
Explanation:
it's the only line that slopes downward between 2010 and 2050
Termination of the abdomen in which the anus is located *
telson
Cheliped
carapace
mandibles
Answer:
Telson
Explanation:
its the last segment of the abdomen.
as the embryo begins gastrulation, the number of cells is between
Gastrulation is a process of transformation from a single layer of cells to a three-layered embryo. It marks the beginning of differentiation and regionalization of cells and the beginning of organogenesis.
The process starts with a group of cells known as the blastula, which is composed of a single layer of cells in the shape of a hollow sphere. As gastrulation starts, the blastula cells combine to form an inner and an outer layer of cells called the ectodermal and the endodermal layers. In between these two layers a third layer of tissue, the mesoderm develops.
The number of cells during gastrulation varies between species, and the exact number cannot be easily determined. However, the average is around 500-800 cells. The number of cells increases during the duration of the process, as more cells are generated and existing cells begin to divide and differentiate.
Gastrulation is a fascinating and complex process that is essential for the formation of the embryo and the development of the body. The number of cells present during gastrulation is key to the successful formation of the organism, and understanding the number of cells can offer us insight into the development of the organism.
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IF I CAN HAVE AN ANSWER BY THE END OF THE DAY THAT WOULD HELP! I have to get this in by tomorrow morning at 8:30am. April 1 2021 :)
÷
One day, at a certain time, a student measured the shadow of a fence and found that it was 2 m long. The next day, she measured the shadow of the same fence at a different time and found that it was 3 m. long. What can you infer about the time of day at which the student measured the shadows? Explain.
Answer:
The time of day the second time the student measured the length of the fence shadow was either earlier or later than the first time she measured the shadow.
Explanation:
As the first time the student measured the shadow of the fence gave an answer of 2 meters, the second time gave an answer of 3 meters. For this reason, the shadow is longer in length. This means that the sun is closer to the horizon, yielding a light beam that is closer to the ground.
Moreover, if the sun was directly above the fence post, there would be no shadow. However, because the sun is closer to the horizon, showing that it is earlier or later then the first measurement, the second measurement has a longer shadow.
please define menstruation
Answer:
a cyclical discharging of blood, secretions, and tissue debris from the uterus that recurs in nonpregnant breeding-age primate females at approximately monthly intervals and that is considered to represent a readjustment of the uterus to the nonpregnant state following proliferative changes accompanying the preceding ovulation
20.What will happen to the population when the death rate is larger than the birth rate?
a. Shrink
b. Grow
a. Shrink
When more people die than are born, number of people will decrease.
if confronted by a bear in the woods, your emotional arousal would be accompanied by: if confronted by a bear in the woods, your emotional arousal would be accompanied by: increases in salivation. slowing of digestion. decreases in respiration rate. constriction of pupils to increase visual acuity. decreases in blood sugar levels.
If you are confronted by a bear in the woods, your emotional arousal would be accompanied by constriction of pupils to increase visual acuity.
What is emotional arousal?Emotional arousal is the physiological and psychological responses to an emotional stimulus. It's a term that describes a wide range of feelings and physiological responses associated with our emotions. Our physiological and psychological responses to emotions, such as fear or happiness, are called emotional arousal. These responses can include a variety of changes, such as increases or decreases in heart rate, changes in breathing, sweating, changes in the dilation of the pupils, and other changes that are closely linked to our emotional states.
Bears are considered dangerous animals, so if you ever encounter one, you must be prepared. Your emotional arousal would be accompanied by constriction of pupils to increase visual acuity, which would allow you to have a better view of your surroundings. This would aid you in responding to the situation appropriately.
The other options such as increases in salivation, slowing of digestion, decreases in respiration rate, and decreases in blood sugar levels aren't the physiological responses to emotional arousal during a bear encounter.
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Which of the following characteristics is not associated with bronchiolitis? Thick, tenacious mucus Wheezing Crackles Bradypnea
The characteristic that is not associated with bronchiolitis is "Bradypnea" (slow breathing). Bronchiolitis is a common respiratory infection that primarily affects young children, usually under the age of two. It is typically caused by a viral infection, most commonly respiratory syncytial virus (RSV).
Thick tenacious mucus is a characteristic associated with bronchiolitis. The infection leads to inflammation and swelling of the bronchioles, which are the small airways in the lungs. This can result in the production of thick mucus that obstructs the airways, causing difficulty in breathing. Wheezing is another common characteristic of bronchiolitis. It is a high-pitched whistling sound that occurs when air passes through narrowed or partially blocked airways.
Crackles, also known as rales, are abnormal sounds heard during breathing. They indicate the presence of fluid or mucus in the airways. However, Bradypnea, or slow breathing, is not typically associated with bronchiolitis. In bronchiolitis, the breathing pattern is often rapid and shallow due to the increased work of breathing caused by airway obstruction and inflammation.
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in which location will the fetal heart tones be heard if the fetus position is left occiput anterior
The fetal heart tones will be heard on the left side of the mother's abdomen if the fetus is in a left occiput anterior position. The fetal heart tones in a left occiput anterior (LOA) position can be heard in the lower left quadrant of the mother's abdomen, near the left iliac crest.
The left occiput anterior (LOA) position refers to the position of the fetus with the back towards the left side of the mother's abdomen and the head facing downwards. In this position, the fetal heart tones are most easily heard on the left side of the mother's abdomen, as the baby's back is facing towards the mother's front. The healthcare provider may use a fetal Doppler or stethoscope to detect the fetal heart rate, which is an important indicator of the baby's health and wellbeing during pregnancy.
In a LOA position, the baby's head is down and facing the mother's left side, with the back of the head towards the front of the mother's body. To locate the fetal heart tones, place a fetal doppler or stethoscope in the lower left quadrant of the mother's abdomen, close to the left iliac crest. The best spot to hear the heart tones may vary slightly, so it might be necessary to move the listening device around this area until the heart tones are clearly audible.
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which of the following is not a biome: a. tropical dry forest b. tropical rainforest c. temperate rainforest d. taiga e. temperate dry forest
The correct option is C : Temperate rainforest ,A forest in a temperate environment with significant annual rainfall is known as a temperate rainforest.
Coniferous trees (which do not lose their leaves) and deciduous trees can both be found in these kinds of rainforests (which lose their leaves on an annual basis).
Aquatic, grassland, forest, desert, and tundra biomes are the five main types, while some of these can be further broken down into more specialized groups, such as freshwater, marine, savanna, tropical rainforest, temperate rainforest, and taiga.
They are not regarded as a biome because they lack a variety of plants and animals, and since the majority of life there is aquatic rather than terrestrial.
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Which animal has a better chance of survival,fox or leopard?
Answer: fox
Explanation: due to its thinking capability and smartness
Which pairs of polygons are similar? select each correct answer.
If the respective sides have a constant ratio and the corresponding angles are congruent, two polygons are said to be similar. There will always be similar varieties of triangles, quadrilaterals, and polygons.
For instance, squares and congruent triangles are both similar shapes. We know the lengths of comparable sides are proportional if two polygons resemble one another. When two polygons have corresponding sides that are proportionate and corresponding angles that are congruent, they are said to be similar polygons. In other words, the polygons may be different sizes even though they have the same shape. Since all regular polygons have equal sides and proportionate radii.
(The que is incomplete I answered this que in general according to my knoweledge).
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8. A scientists is studying a normal tissue and a cancerous tissue sample. What method might she use to determine whether the transcription of gene X is upregulated in the cancerous tissue sample
To determine whether the transcription of gene X is upregulated in the cancerous tissue sample as compared to the normal tissue, the scientist can use the method of quantitative reverse transcription polymerase chain reaction (qRT-PCR).
This technique can quantify the amount of RNA transcript of the gene of interest in each sample. It involves reverse transcription, where RNA is reverse transcribed to complementary DNA (cDNA), followed by PCR amplification of the cDNA using gene-specific primers and a fluorescent probe. The fluorescence intensity is proportional to the amount of cDNA produced during the PCR. The threshold cycle (Ct) value is calculated by detecting the cycle number at which the fluorescence intensity crosses a certain threshold value. The Ct value is inversely proportional to the amount of RNA in the sample. By comparing the Ct values of gene X in the normal and cancerous tissue samples, the scientist can determine whether the gene is upregulated in the cancerous tissue. If the Ct value of the gene in the cancerous tissue is lower than that in the normal tissue, it indicates that the gene is upregulated.
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Which researcher proposed that dreams are a chance for problem solving? a. sigmund freud b. matthew wilson c. rosalind cartwright d. j. allan hobson please select the best answer from the choices provided a b c d
Rosalind Cartwright is the researcher who proposed that dreams are a chance for problem-solving.
So, the correct option is C.
Rosalind Cartwright, a psychologist, and expert on sleep suggests that dreams might serve as a natural healer by connecting fresh emotional issues with tried-and-true problem-solving strategies. Rosalind Cartwright, a sleep and dreaming expert, contends that dreams only serve as a reflection of significant life events for the dreamer. Contrary to Freud and Jung, Cartwright's theories on dreaming have been supported by empirical research. According to Rosalind Cartwright's thesis, dreams are just the continuation of waking thinking, free from the constraints of reason or reality.
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As plates slide past
each other at a
transform fault
boundary, such as the
San Andreas Fault, they
a A. have a tendency to stick and
build up energy that will result
in a future earthquake.
B. cause rock to melt and act as
a lubricating agent which
prevents any earthquakes from
happening.
C. form new crust, causing a
divergent boundary which theny
moves an opposite direction and
apart.
At a transform fault boundary, such as the San Andreas Fault, plates slide past each other and a. have a tendency to stick and build up energy that will result in a future earthquake.
This occurs because the irregularities of the plates' edges cause friction, preventing smooth movement. As the plates continue to move, stress accumulates until it reaches a point where the stored energy is released in the form of an earthquake. This process is known as elastic rebound theory. Option B is incorrect, as rock melting typically occurs at convergent or divergent boundaries, not transform boundaries.
Option C is also incorrect because new crust formation is associated with divergent boundaries, where plates move apart, rather than transform boundaries, where plates slide past each other without creating or destroying crust. In summary, the correct answer is a. have a tendency to stick and build up energy that will result in a future earthquake. At a transform fault boundary like the San Andreas Fault, plates tend to stick, build up energy, and eventually release that energy through earthquakes.
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Just like you and me, bacteria cells are under constant attack by
A. antiseptics
B. white blood cells
C. viruses
D. all the above
Answer:
C. Viruses
Explanation:
Which type of cell is pictured on the right?
V eukaryoticy
COMPLETE
Answer:
where is the picture,...
post complete question ..please
Why is water an important factor of an ecosystem