Rearrange the following information into a food chain. Label the role of each organism in the chain
• Water fleas eat algae
• Diving beetles eat young dragonflies
• Pike eat perch
• Perch eat diving beetles
• Young dragonflies eat water fleas
Answers
-young dragon flys eat water beetles
-diving beatle eat young dragonflies
-perch eat diving beetles
-pike eat perch
Related Questions
PLEASE HELP
1. Which is the simplified version of Kepler’s third law when one of the planets being compared is Earth?
T=r^2
T^2=r^3
T^2=r
T^3=r^2
2. Which of the following are effects of melting sea ice? Select the two correct answers.
The exposed water can radiate more heat to the atmosphere than it could when insulated by the ice cover.
The exposed water reflects back more sunlight than did the ice.
The exposed water absorbs more thermal energy from the sun than did the ice
The exposed water absorbs heat and then sinks, replaced by cooler water.
3. A group of scientists are studying observable matter in a cluster of galaxies. They conclude that the cluster has only a small percentage of the mass required to keep it from flying apart. Why does the cluster remain intact?
The orbital speed of the galaxies in the cluster is slow enough to keep the cluster intact.
Dark matter provides the mass and gravity needed to keep the cluster together.
The orbital speed of the galaxies in the cluster is fast enough to keep the cluster intact.
Baryonic matter provides the mass and gravity needed to keep the cluster together.
Answers
Answer:
1. T^2=r^3 ( or T² = r³)
2. "The exposed water reflects back more sunlight than did the ice"
and
"The exposed water absorbs more thermal energy from the sun than did the ice'
3. Dark matter provides the mass and gravity needed to keep the cluster together.
Explanation:
1. Which is the simplified version of Kepler’s third law when one of the planets being compared is Earth?
Kepler's Third law of planetary motion is the ratio of the square of the orbital period of a planet is to the radius of orbit of a planet or those of other planets.
This means that, Kepler's Third law of planetary motion states that the square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.
Mathematically, Kepler's Third last is represented as
T² : r³
= T² = r³
Therefore, the second option,T^2=r^3 which is equivalent to T² = r³ is the correct option
2. Which of the following are effects of melting sea ice? Select the two correct answers.
The melting of sea ice causes a lot of changes in the climate of an environment.
The presence of sea ice in oceans, reduces the surface area thereby causing a minimal reflection of sunlight but once sea ice melts, the surface area of the water is increased and this would results in a reflection of sunlight.
The sea ice absorbs less thermal energy or radiation from the sun(solar energy) and keeps the surface cooler but once the sea ice is melts, the resulting water, absorbs a lot of thermal energy or radiation from the sun, causing the surface of the water to be hot.
Therefore, the options "The exposed water reflects back more sunlight than did the ice" and
"The exposed water absorbs more thermal energy from the sun than did the ice" are the correct options.
3. A group of scientists are studying observable matter in a cluster of galaxies. They conclude that the cluster has only a small percentage of the mass required to keep it from flying apart. Why does the cluster remain intact?
It has been observed that galaxies present in the solar system have an attraction for one another such that they are drawn to each by force of gravity that is present in the solar system. And because of these, galaxies form clusters in the solar system.
Dark matter is a large amount of matter that is present in the solar system. Dark matter is the reason by which galaxies can form and maintain the clusters that they form around each other because it provides them with the force of gravity and sufficient mass that the galaxies require to prevent them from separating or flying away(apart) from one another
Therefore, the option "Dark matter provides the mass and gravity needed to keep the cluster together" is correct.
The simplified version of Kepler’s third law in a situation when one of the planets is compared to Earth will be T³ = T².
The effects of melting sea ice include:
The exposed water reflects back more sunlight than did the ice.The exposed water absorbs more thermal energy from the sun than did the ice.A cluster will remain intact because the dark matter provides the mass and gravity needed to keep the cluster together.
It should be noted that Kepler's third law of planetary motion simply represents the ratio of the square of the orbital period of a planet is to the radius of orbit of other planets. This can be expressed mathematically as T³ = T².
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Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Answers
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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which of the following is not a difference between DNA and RNA ?
Group of answer choices
they have different phosphate groups in their backbones
They have different sugars in their backbones
DNA is a double strand and RNA is a single strand
RNA replaces thymine with uricel
Answers
Answer:
I believe the answer is:
They both have different phosphate groups in their backbones
Option A is correct. DNA and RNA have the same phosphate groups in their backbones.
DNA is deoxyribonucleic acid. DNA contains deoxyribose sugar. DNA is usually found in double strands. In DNA thymine is present.
RNA is ribonucleic acid. RNA contains ribose sugar. RNA is usually found in single strands. In RNA thymine is replaced by Uracil.
Nucleic acid is made up of phosphate group, ribose sugar, and nitrogenous bases.
Hence, options B, C, and D are incorrect.
Therefore, Option A is correct. DNA and RNA have the same phosphate groups in their backbones.
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an agricultural biologist was evaluating two newly developed varieties of wheat as potential crops. in an experiment, seedlings were germinated on moist paper towels at 20c for 48 hours. oxygen consumption of the two day old seedlings was measured at different temeratures
Answers
Indirect metabolic rate measurements are made using oxygen uptake and carbon dioxide production. This works because food is metabolized by cells while they produce energy, water, and carbon dioxide through cellular respiration.
It was discovered that increasing temperature generally increased the rate of oxygen consumption and ammonia excretion. From 0.97 mg O2/g/hr at 30 degrees C to 2.2 mg O2/g/hr at 35 degrees C, it was discovered that oxygen consumption increased. The absolute O2 concentration and, consequently, the output of the O2 sensor, are temperature-dependent, just like barometric pressure. If the temperature correction is not used for relative measurements, the relative O2 concentration fluctuates while remaining constant at 20.95%.
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Help PLZ Which of the two largest cavities forms earliest in fetal development? Why do you think that cavity, and its contents, develops before other body parts?
Answers
Answer:
heart and brain
Explanation:
they are the most essential
this answer i need pls ill mark brainliest
Answers
All - growth, exchange of gases, excretion, reproduction, and death (option d).
All living organisms undergo various life processes to maintain their existence. Let's analyze each option to determine which life processes are carried out by an organism's cells:
A. Only growth and exchange of gases: While cells are involved in growth and exchange of gases, they also participate in other life processes. This option is incomplete.
B. Only growth, exchange of gases, and reproduction: Cells play a crucial role in reproduction as they are responsible for the production of gametes and the process of cell division. However, there are additional life processes that cells also undertake.
C. Only growth, exchange of gases, excretion, and reproduction: This option includes excretion in addition to growth, exchange of gases, and reproduction. Cells participate in excretion by eliminating waste materials. However, there is one more life process that cells experience.
D. All - growth, exchange of gases, excretion, reproduction, and death: This option encompasses all the mentioned life processes. Cells are involved in growth as they undergo cell division and increase in number. They exchange gases through processes like respiration. Cells excrete waste products. They participate in reproduction through the formation of gametes and cell division. Lastly, cells also experience death as they have a limited lifespan.
Therefore, the correct answer is D. All - growth, exchange of gases, excretion, reproduction, and death.
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Mitosis Results in 2 different cells
True Or False?
Answers
Answer:
True
Explanation:
I hope this helps you:)
Examine the following Punnett squares and circle those that are correct.
Answers
Based on the analysis, Punnett Squares 2 and 3 are correct representations of the possible combinations of alleles for the given genotypes of the parents.
In order to determine the correct Punnett squares, we need to analyze the given genotypes and accurately represent the possible combinations of alleles for each parent. Let's evaluate the provided Punnett squares:Punnett Square 1:Ee eeGE GgThis Punnett square is incorrect. It incorrectly combines the genotypes of the two parents, resulting in an inaccurate representation of the possible offspring.Punnett Square 2:Ee eeGG GgThis Punnett square is correct. It accurately represents the genotypes of the parents and shows the possible combinations of alleles for their offspring.Punnett Square 3:Ee EeGg GgThis Punnett square is correct. It accurately represents the genotypes of the parents and shows the possible combinations of alleles for their offspring.Based on the analysis, Punnett Squares 2 and 3 are correct representations of the possible combinations of alleles for the given genotypes of the parents. Punnett Square 1 is incorrect as it does not accurately combine the genotypes of the parents.For more questions on Punnett Squares
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Note: The correct question would be as
Punnett Squares Examine the following Punnett squares and circle those that are correct. E e GS g Ee ee Ee EE GG G gg GE e e g Ee ee Ee Ee Gg Gg Gg gg g g.
Select the best answer for the question.
13. How does the principle of faunal succession assist the technique
O A. It creates unconformities in the rock layers.
O B. It accounts for the tectonic movement throughout history.
O C. It prioritizes parts before the whole appearance of organisms.
O D. Fossils appear in the strata in a specific order based on age.
Answers
Fossils appear in the strata in a specific order based on age. The correct option is D
What is the principle of faunal succession?Principle of faunal succession states that fossils appear in rock strata in a specific, predictable order based on the relative ages of the rock layers and the evolutionary relationships of the organisms represented by the fossils.
This principle allows geologists to use the relative ages of rocks and fossils to determine the relative age of other rocks and fossils in the same area and to establish a relative time scale for geologic events.
Therefore, By comparing the sequence of fossils in different rock strata, geologists can determine which strata are younger and which are older, and thus build a chronological framework for the Earth's history.
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what structure of the small intestine contains the sphincter/valve that connects to the large intestine?
Answers
The structure of the small intestine that contains the sphincter/valve that connects to the large intestine is called the ileum.
The ileocecal sphincter, also known as the ileocecal valve, is located at the end of the ileum where it connects to the large intestine. This sphincter controls the flow of digested food and prevents the contents of the large intestine from flowing back into the small intestine.
The muscular intestine connects your anus, the lower entry of the digestive tract, to the lower end of your stomach. The bowel or bowels are other names for it. The intestine, which is comprised of two portions known as the small intestine and the large intestine, is where food and the byproducts of digestion pass through.
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The organ that receives food from the esophagus, mixes the food with gastric juice, initiates protein digestion, and moves food into the small intestine is the:_________
Answers
The organ that receives food from the esophagus, mixes the food with gastric juice, initiates protein digestion, and moves food into the small intestine is the stomach.
What is the stomach?The stomach is an organ of the alimentary canal in animals that stores food in the process of digestion.
The stomach is a crucial part of the digestive system of living organisms as it plays a vital role in the digestion process.
The stomach performs the following functions:
It temporarily stores foodIt contracts and relaxes to mix and break down food. It produces enzymes and other specialized cells to digest food.Therefore, it can be said that the organ that receives food from the esophagus, mixes the food with gastric juice, initiates protein digestion, and moves food into the small intestine is the stomach.
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.
Eliza places an 18-gram piece of an unknown substance into a graduated cylinder that is filled with 5 mL of water, and the water rises from the 5 mL line to the 8 mL line. What is the density of the unknown substance in g/mL?
Answers
The density of the unknown substance is 3.6 g/ml
As,
\(d=\frac{mass}{volume}\)
where,
Mass= 18 grams
Volume = 5 ml
d \(=\frac{18}{5} \frac{g}{ml}\)
d = 3.6 g/ml
What is Density?
Density is the mass of a material substance per unit volume.
The formula for density is
\(d=\frac{M}{V}\)
M is mass
V is volume
d is density
Grams per cubic centimeter are a typical unit of measurement for density.
We can calculate what materials will float and sink when placed in a liquid using the concept of density, which is a crucial idea. The rule of thumb is that objects will float as long as their density is lower than the liquid's density.
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Where is radial symmetry found?
Answers
Cnidarians, such as jellyfish, sea anemones, and coral, as well as echinoderms, have radial symmetry (such as sea urchins, brittle stars, and sea stars).
Describe a radial symmetry example.For instance, pies, snowflakes, and starfish all feature numerous lines of symmetry that divide them into symmetrical halves and cross one another in the center, making them radially symmetric objects.
What plant exhibits radial symmetry?Petunias, buttercups, and wild roses are examples of actinomorphic, or radially symmetrical, flowers, which are considered regular when the various members of each whorl are similar. The whorl of a flower is uneven when its component sections are different sizes or shapes (as in the canna and Asiatic dayflower).
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Importance of the water cycle
Answers
Answer:
because it ensure the availability of water for all livings, 95% of our world is covered with water but most of them are either forzen or under ground and also purifies water which can be ready for reuse.
Using meiosis, why do traits that give the organism a disadvantage for survival exist? Be as descriptive as possible
Answers
Answer:
As said by NationalAlacademies.com, "According to Charles Darwin's theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes onto the next generation."
Explanation:
how is prenatal androgen exposure related to differences in later behavior?
Answers
Prenatal androgen exposure refers to the male sex hormones that are secreted in large quantities by the testes of male fetuses.
Prenatal androgen exposure has been related to later differences in behavior in a number of ways: For example, women with higher levels of prenatal androgen exposure tend to show more "masculine" behaviors such as aggression and dominance. Similarly, men with lower levels of prenatal androgen exposure tend to show more "feminine" behaviors such as empathy and emotional sensitivity.
There is also evidence to suggest that prenatal androgen exposure may be related to later sexual orientation, with higher levels of prenatal androgen exposure being associated with a greater likelihood of same-sex attraction in adulthood.
Overall, prenatal androgen exposure appears to play an important role in shaping later behavior, although the precise mechanisms underlying this relationship are not yet well understood.
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Immediately after a forest fire, the primary consumers in the area will compete most for which biotic factor?
Answers
In a freshly burnt forest, primary consumers will compete for forages with themselves.
Primary consumers are organisms that feed on producers.
When a forest is lost to fire, most of the plants (the producers) are lost.
Thus, primary consumers will compete heavily for the few plants that are left among themselves.
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In a freshly burnt forest, primary consumers will compete for forages with themselves.
Who are Primary consumers?
Primary consumers are herbivores, feeding on plants.Caterpillars, insects are examples of primary consumers because they only eat autotrophs (plants). Primary consumers are organisms that feed on producers.When a forest is lost to fire, most of the plants (the producers) are lost. A major energy pathway is eradicated, reducing system productivity and shifting importance to energy supplied by primary producers.
Thus, primary consumers will compete heavily for the few plants that are left among themselves.
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Please help
DNA provides
A
storage for cellular waste.
B
a structure for the shape of each cell.
C
nutrients for the cell.
D
the genetic material of living organisms.
Answers
Answer:
D. the genetic material of living organisms
Explanation:
7. Which of the following will NOT help reduce your carbon footprint?
A. Using less water
B. Recycling
C. Driving the car for transportation
D. All of the above will help reduce your carbon footprint
Answers
Answer: C
Explanation: Driving your car will actually release more carbon dioxide. If you wanted to reduce your carbon footprint you may instead choose to take the bus or ride your bike to your destination
Hope this helps
Answer:
d.
All of the above
Explanation:
Increasing sarcoplasmic Ca2+ binds to MLCK directly. True or False?
Answers
Answer:
False.
Explanation:
False. According to Quizlet, “Ca2+ binds to calmodulin, and the Ca2+/calmodulin complex activates MLCK.”
hope this helps!
False.
Increasing sarcoplasmic Ca2+ does not directly bind to myosin light chain kinase (MLCK).
MLCK is an enzyme that regulates muscle contraction by phosphorylating the myosin light chain (MLC) of the muscle fiber.
The binding of Ca2+ to a specific protein called calmodulin is what activates MLCK.
Calmodulin is a calcium-binding protein that undergoes a conformational change when it binds to Ca2+. This Ca2+-calmodulin complex then binds to MLCK, activating its enzymatic activity.
The activated MLCK can then phosphorylate MLC, initiating the contraction of the muscle fiber.
So, while Ca2+ plays a crucial role in the activation of MLCK through its binding to calmodulin, it does not directly bind to MLCK itself.
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enzymes are important proteins that help chemical reactions to occur in organisms
Answers
Yes, enzymes are important proteins that catalyze chemical reactions in living organisms. They act as catalysts, meaning they speed up the rate of a reaction without being consumed in the process.
Enzymes bind to specific molecules, called substrates, and lower the activation energy needed for the reaction to occur. This allows the reaction to proceed at a faster rate and with greater efficiency.
Enzymes are involved in a wide range of biological processes, including metabolism, digestion, and DNA replication. They play a crucial role in maintaining the chemical balance within cells and organisms.
An enzyme is a type of protein that acts as a catalyst in living organisms. It helps to speed up chemical reactions by lowering the activation energy needed for the reaction to occur. Enzymes bind to specific molecules, called substrates, and change their shape to create an active site.
This active site enables the chemical bond of the substrate to be broken or formed, thus catalyzing the reaction. Enzymes are specific to certain substrates and reactions, meaning that each enzyme is designed to catalyze a specific set of chemical reactions.
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According to cell theory, all living organisms are made of cells. What do all living organisms have in common when it comes to cells? For example, do all living organisms carry genetic instructions? Do they have similar structures?
Answers
According to the cell theory, all living organisms are made up of cells. This theory was first proposed by two German biologists, Theodor Schwann and Matthias Jakob Schleiden, in 1839.
According to the cell theory, all living organisms are made up of cells. This theory was first proposed by two German biologists, Theodor Schwann and Matthias Jakob Schleiden, in 1839. They proposed that all living things are composed of cells and that cells are the basic unit of life. The cell theory is one of the fundamental concepts of biology and is used to explain many of the properties of living organisms.All living organisms have many things in common when it comes to cells. One of the most important things that all living organisms have in common is that they all carry genetic instructions. These instructions are passed down from generation to generation and are responsible for the development and function of all living organisms.Another thing that all living organisms have in common when it comes to cells is that they all have similar structures. All cells have a membrane that separates the inside of the cell from the outside environment. They also have genetic material, which is contained within the nucleus of the cell in eukaryotic cells and within the cytoplasm in prokaryotic cells. Additionally, all cells have a cytoplasm, which contains many of the organelles that are necessary for the cell to function properly.In conclusion, all living organisms have several things in common when it comes to cells. They all carry genetic instructions, which are responsible for the development and function of the organism. They also have similar structures, including a cell membrane, genetic material, and cytoplasm. These commonalities help to explain many of the properties of living organisms.
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What are the effects of enzymes on chemical reactions? Select all of the answers that apply.
Answers
Answer:
Enzymes will make chemical reactions go faster. Enzymes are catalysts which will lower the activation energy of a chemical reaction. Activation energy is the energy needed to get a reaction going.
Explanation:
what are the selections?
What is a food chain ?
Answers
A food chain shows the sequence of how organisms obtain their energy.
A food chain usually starts with a plant and ends with an animal. To complete the cycle, decomposers come in to clean up the waste and return nutrients to the soil.
Simply stated that food chain represents the series of events in which food and energy are transferred from one organism to another in an ecosystem.
what is a dam
please tell
Answers
Answer:
a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply.
Use evidence from the maps to answer the Investigation Question: Why do different locations have different air temperatures?
Try to use the following words in your response: energy, temperature, and latitude.
Answers
Answer:
hope help you stay happy and safe
When the Earth moves, the angle at which sunlight hits different places on Earth at the same time of day changes because the Earth is tilted.
What is Earth rotation?Earth's rotation or Earth's spin is defined as the rotation of the planet Earth around its axis as well as the change in the orientation of the axis of rotation in space. When viewed from Polaris, the north pole star, the Earth rotates in the east facing east, the Earth rotates counterclockwise.
When the heading of the particular place is towards the Sun, there is warm temperature which is called as the summer when the heading of the same place is away from the Sun, there is cold temperature which is called as the winter.
Thus, when the Earth moves, the angle at which sunlight hits different places on Earth at the same time of day changes because the Earth is tilted.
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Safety Equipment Checklist
C
А в
D E F
J Ķ .L
M. N.o
G
H
I
P.
Q
R
OFire Blanket
Eye Wash Station
OFire Extinguisher
Apron
Goggles
Phone
Evacuation Map
First Aid Kit
Fire Shower
Trash Can
Sink
Chemical Storage
O Gloves
S
W
U
Х
Y
v
Z
Answers
Answer:
z is the correct one.I think as so.
Where does ingestion takes place in the human body?
Answers
I hope this helps!!
Answer:
the mouth
Explanation:
food enters the body through the mouth where it is made smaller for the stomach and esophagus by the teeth.
hope this helps ! :3
Son las mitocondrias redes interconectadas en vez de organelos independientes
Answers
Answer:
no
Explanation:
can somebody help me??
Answers
The process that the mitochondrion performs is that it generates energy for the cell (also known as the powerhouse of the cell).
The two raw materials the mitochondrion needs are oxygen and a precursor of some sort, whether is be sugar or carbohydrates.
The molecule generated by the mitochondrion is called ATP, or adenosine triphosphate, this molecule is important because it allows the cells to work and function, ultimately resulting in the organism being able to live.
Also btw mitochondrion is singular and mitochondria is plural.
Hope this helps!