Answer:
"The process of transfer of energy to various trophic level of food chain is known as flow of energy. Energy flow in ecosystem from energy source to autotrophs to heterotrophs."
Explanation:
The energy flow from the primary members, plants to the other level of organism in food chain. Storage of energy is very important because, the stored energy in plants are distributing to all other levels in food chain and utilizing for activities.
What is energy distribution in food chain ?The sun is the main source of energy for practically all ecosystems on earth. Energy moves from one trophic level of the food chain, to the next as primary producers take energy from the sun to make their own food in the form of glucose.
Primary producers are then consumed by primary consumers, who are in turn eaten by secondary consumers, and so on. The sun is the main source of energy for practically all ecosystems on earth.
Energy moves from one trophic level, or level of the food chain, to the next as primary producers take energy from the sun to make their own food in the form of glucose. Only 10% of energy is distributed to the other level and 90% are lost to the surroundings.
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QUESTION 3. What describes the relationship between a food chain and a food web?
Answer: A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels. Trophic levels include different categories of organisms such as producers, consumers, and decomposers.
HERE IS THE ANSWER NOT THE LINK
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The following table shows the distance from the sun of some unknown planets of equal mass.
W 1.5 AU
X 0.723 AU
Which of the following best explains which planet revolves at a faster speed?
A.) Planet X, because the sun pulls it with a greater force.
B.) Planet W, because the sun pulls it with a greater force.
C.) Planet W, because the gravitational force is weakened by distance.
D.) Planet X, because the gravitational force is strengthened by distance.
Answer:
Option D.) Planet X, because the gravitational force is strengthened by distance.
Explanation:
As we know from Kepler's law , the planets that are closer to the sun move at a faster rate in comparison to those planets that are far because of high gravitational force.
According to the question,
both planets have equal mass. Plant W is at 1.5 AU and planet X is at 0.723 AU distance from the sun.
So, planet X revolves at a faster speed because it's shorter distance from the sum as comparison to planet W, strengthened the gravitational field.
Thus, Option D is the correct answer.
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Match the following items.
1.
uses a lens to gather and focus light
refracting telescope
2. separates starlight into wavelengths
radio telescopes
3. pick up faint-lighted stars
spectrograph
4. see binary stars
giant refractors
5. see behind nebulae dust
giant reflectors
Answer:
1-uses a lens to gather and focus light- giant reflectors
2-separates starlight into wavelengths- spectrograph
3-pick up faint-lighted stars- radio telescope
4-see binary stars- refracting telescope
5-see behind nebulae dust- giant refractors
Explanation:
is it correct?
1.In this environment, which trait is adaptive for the birds
2. Did the birds choose to have the adaptive trait? (yes or no)
3.Sherman suggests that reproduction always creates individuals with adaptive traits. Does this seem correct? Why or why not?
Answer:
1.Natural selection is the mode of evolution that makes living things well-suited (adapted) to their environments. This mechanism has sculpted the beaks, feet, and plumage of birds over millions of years, making these animals more successful in their environments.
2.yes
3.
Explanation:
Im sorry only 1, 2 I can answer!
But hope it helps you!
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what is the function of tunnels and passageways in subsurface mining?
a. to reach mineral ore deep below the surface of the earth
b. to reach mineral ores on the surface of the earth
c. to drain underground lakes where minerals are found
d. to create strip mines and quarries below the surface of the earth
The function of tunnels and passageways in subsurface mining to drain underground lakes where minerals are found. option C is correct.
What is subsurface mining?Subsurface mining is the process in which mineral ores are too deep to extract at with this mining techniques, subsurface mining methods are used .
An advantage and good thing of subsurface mining is that it will not disturb land than surface mining it only disturbs less than one-tenth the surface amount of land as surface mining and the method.
Therefore, the function of tunnels and passageways in subsurface mining to drain underground lakes where minerals are found. option C is correct.
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How are cellular respiration and photosynthesis different? (4 points)
Cellular respiration assists breathing; photosynthesis aids pigmentation.
Cellular respiration breaks down glucose; photosynthesis creates glucose.
Cellular respiration creates glucose; photosynthesis breaks down glucose.
Cellular respiration releases oxygen; photosynthesis releases carbon dioxide.
Answer:
B. Cellular respiration breaks down glucose; photosynthesis creates glucose.
Explanation:
a six word story of evolutions. (six words not six letters)
I need help with these questions from 8th Grade science, Specifically Chemistry.
Answers should be detailed, 3-4 sentences.
List at least 3 different physical properties or changes of a substance.
List at least 3 different chemical properties or changes that a substance can experience.
EXPLAIN YOUR ANSWER! NO LINKS! PLEASE DON"T ANSWER JUST TO GET POINTS!
I will report your answer if you do any of those things.
Thx in advance!
Answer:
Physical properties of a substance can include color, temperature, and mass. These are physical properties because they can be measured without changing a substance's chemical identity. Chemical properties of a substance can include flammability, acidity, and reactivity. These are chemical properties because they can be measured only by changing a substance's chemical identity.
Create a time that marks important events during the Precambrian Supereon.
Please help me with this science question
HELP IMPORTANT TEST!! Why must animals eat food but plants do not eat food? A: Plants do not appear to eat, but they do actually eat nutrients in the soil. Animals must eat to obtain food that they can't get from the soil. B:Plants make their own food through photosynthesis. Animals must eat because they cannot make their own food. C: Plants use photosynthesis to make their own food instead of eating. Animals eat plants because they like the taste of certain fruits. B: Plants make their own food through photosynthesis, so they do not eat. Animals eat because the energy they make themselves is enough to live but not grow. By eating, they can grow big and strong.
Answer:B
Explanation:The answer is B because plants use photosynthesis to make their own food while animals such as humans do not make their own food using the sun photosynthesis is using the suns Energy to produce your own food If you think about it humans are animals and do you use the suns energy to produce your own food no
sience question ....
Answer:
extended structure
Explanation:
Answer:
I think it is the third one too
Explanation:
How can wind and water change the materials on earth's surface? (Specifically, rocks/the geophere)
Do you think that photochemical smog levels are high during the winter or during the summer? Explain.
Answer:
Use this: I think the photochemical smog levels are higher during the summer do to the increase in car usage and pollution. Studies show that more people use cars in the summer. In addition, the hot, musty, humid air in the summer can significantly increase pollution effect.
Explanation:
Consider the two models seen here. These models represent two different minerals. Each is composed of a lattice of carbon atoms. How do these crystals differ?
A) The two have different chemical formulas. Eliminate
B) The diamond model represents a crystal while the graphite represents a molecule.
C) Both are crystals, but the organized arrangement of the carbon atoms in each differs.
D) The graphite crystal is not pure: that is, it contains two elements while the diamond crystal is composed of carbon atoms only.
Answer:
hi mama rusty thank you for your correct email address for the title company hunk you a picture of the following statements about you and I will be there at work and
Explanation:
l hope I can help you
What is the function of tunnels and passageways in subsurface mining?
a. to reach mineral ore deep below the surface of the earth
b. to reach mineral ores on the surface of the earth
c. to drain underground lakes where minerals are found
d. to create strip mines and quarries below the surface of the earth
Answer: to reach mineral ores on the surface of earth
Explanation:
How would you label the molecules shown in the sample above? ( A is wrong )
a. Sample A is cooler. Sample B is hotter.
b. Sample A is hotter. Sample B is cooler.
c. Samples A and B are the same temperature.
The equator is at a latitude of 0°. Which latitude will have the warmest temperature?
A. 15°N
B. 20°S
C. 45°N
D. 70°S
Which of these are vestigial structures?
A. the sharp spines of a cactus
B. the wings of a butterfly
C. the hip bones found in some spees of snake
D. the thick fur and layer of fat of some mammals in cold climates
Answer:
your answer is C
Explanation:
Use the what you learned area to fill in the blanks.
Answer:
1. cardiac muscle .
2. skeletal muscle .
3. smooth muscle .
4. your heart .
5. bones .
6. stomach .
7. muscle fibers .
8. non-striated muscle .
9. cardiac muscle tissue is only found in your heart .
10. exercising, getting enough rest, and eating a balanced diet will help to keep your muscles healthy for life .
11. wrong diet , consume fewer calories and eat a lower percentage of foods that are high in proteins and carbohydrates , weight training , if you're continuing to train with weights, use lighter weights and reduce weight training frequency to no more than 2 times per week to maintain tone , cardio , not warming up etc .
Explanation:
Find the average kinetic energy of the molecules shown in the sample above. ( C and D are wrong )
a. 5
b. 4
c. 3
d. 36
Answer: B
Explanation:
1.Where do the genes that determine an individual's traits come from?
, An individual can be born with any genes, since genes are random.
B.Individuals grow genes specific to their environment.
C.Parents pass their genes down to their offspring.
D.Parents choose which genes their offspring have when each individual is born
2.How do genes determine an individual's traits
A.Genes directly lead to traits
B.Genes are random and don't lead to traits
C.Genes give organisms the ability to change their traits
D.Genes are instructions for making protein molecules and protein molecules determine traits
Answer:
1. C
2. D
Explanation:
Parents pass down genes to there kids. They can pass down certain ones, like a gene for red hair.
Not every gene you get is instantly going to happen, if you get one brown hair gene and one red hair gene, you are going to have brown hair since it is a dominant trait.
Answer:
1) C. Parents pass their genes down to their offspring.
2) A. Genes directly lead to traits
For 2, it could be D but I think it is describing DNA.
What is a biodiversity hotspot (definition)? Explain
Answer:
A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation.
Explanation:
Species acquire many of their unique characteristics through
A. Homologous structures
B. Homeostasis
C. Pangaea
D. Variation
HELP ME PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEE I GIVE BRAINIEST
Mars’ average temperature is -55o C, while Earth’s is 17o
C. Mars’ atmosphere is 95.3% carbon dioxide. Mars’ soil
contains no humus and is mostly Sulphur. One day on
Mars is approximately 24 hours and 37 minutes. In your
own words, explain whether or not you think life could
be supported on Mars. Be sure to use the terms, air,
water, soil, and sunlight, in your explanation.
Explanation:
soil is a sunlight who become a sun and 24 hours plus 37 minutes thats equal in space is 13 hour thats you called Mars soil
If high tide occurs at 6:00 am, when will the next high tide occur?
helppp this easyyyyyyyyyyyyyy
Answer:
Circulatory System -
Nervous System
Respiratory System
muscular system
^﹏^ Please help!
Write a paragraph on why our food has to be digested.
Paragraph has to have full explanation and complete sentences.
Thank you for your time! ^﹏^
PLEASE HELP MEEE I WILL MARK BRAINLIST FOR THIS ITS SUPER SIMPLE....
all I need you to do its to type out these pictures word for word it pretty simple
I REALLY NEED HELP QUICKLY!!
Answer:
i think the answer is c
Explanation: