The apple tree receives 1000kJ of light from the Sun, but only uses 500kJ. Of this, only 250kJ are stored in the tree to be transferred through the food chain.
a) Calculate the efficiency of the tree (2)
b) State the ways in which the remaining energy has been transferred out the of the food chain (3)
Answers
a) 250/1000 × 100 = 25%
b) Respiration, decomposition
Related Questions
help me with this please
Answers
Because they are not destroyed when used
Sea anemones are predatory invertebrates with stinging tentacles that can paralyze many sea animals. The clownfish is immune to the sting of the sea anemone and actually lives among its tentacles. The relationship is mutually beneficial—the clownfish often lures meat-eating animals over to the anemone, and the anemone benefits from the meal. The clownfish often gets to eat leftovers from the anemone’s meal.
When the clown fish is ready to lay eggs, it lays them near a sea anemone. How’s this a reproductive strategy?
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The clownfish's reproductive strategy of laying eggs near a sea anemone is a form of protection and survival for its offspring.
By laying their eggs in close proximity to the sea anemone, the clownfish provide their eggs with a safe place to develop. The sea anemone's tentacles are a powerful defense mechanism that can fend off potential predators that may try to harm or eat the eggs.
In addition to protection, the clownfish also benefit from the relationship with the sea anemone during the reproductive process. The anemone provides a clean surface on which the eggs can be attached and also helps to oxygenate the surrounding water, which is important for the development of the eggs.
The anemone's tentacles also help to keep the eggs free of harmful parasites and fungi. Overall, the clownfish's reproductive strategy of laying eggs near a sea anemone is a mutually beneficial relationship that helps to ensure the survival of the clownfish offspring.
The protection and benefits provided by the sea anemone help to increase the chances of the eggs hatching successfully, resulting in a higher survival rate for the next generation of clownfish.
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Breakdown of dead/decomposing materials into ammonia?
Answers
Answer:
Breakdown of dead materials into ammonia occurs due to decomposers.
Explanation:
Decomposers are the organisms which are responsible for the breakdown of dead bodies of plants and animals produces ammonia by consuming the nitrogen present in that dead body of plant and animals through the process of ammonification. The ammonium produced is then converted into nitrates by the nitrifying bacteria and this nitrates is used by the plants for making amino acids and enzymes.
Which statements describe mass or weight measured in newtons
Measured in kilograms
Does not change when gravity changes
Changes when gravity changes
The amount of matter in something
A gravitational pull
Answers
The statement that best describe mass and weight is that there are both measured in kilograms.
What is mass of an object?Mass is a scalar quantity that measures the amount of matter in an object. It is a fundamental property of an object and is determined by the number of particles and their arrangement in the object.
Mass is often used interchangeably with weight, but they are different concepts. Weight is the force that an object experiences due to gravity, and is proportional to its mass and the local acceleration due to gravity. Mass is a constant, whereas weight can vary depending on the strength of the gravitational field.
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Roots:
hold the plant in the ground
make food using water and minerals
carry water to leaves
help plants stand up straight
Answers
Answer:
hold the plant in the ground
Explanation:
because if the plant didn't have roots 8t would just fly away.
Sometimes patients with Dementia experience the inability to complete tasks.
Simple tasks such as getting dressed, brushing teeth, and eating become
overwhelming. This inability to perform familiar tasks is?
Forgetfulness
Agnosia
Apraxia
Delusions
Answers
Apraxia is the inability to carry out routine duties as they are explained in the context.
A neurological illness known as apraxia is characterised by the loss or impairment of the capacity to carry out or execute skilled or deliberate motions, even though the affected person is physically capable of doing so.
Apraxia in dementia patients might show itself as trouble with once-routine and familiar daily tasks like dressing, grooming, or eating. In contrast to other cognitive symptoms of dementia such as forgetfulness, agnosia (loss of sensory perception), and delusions, which are not explicitly connected to the inability to perform tasks, apraxia is separate from these symptoms.
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Question 1
Choose the correct statement,
A. The pubic region is inferior to the pelvic region
B. The olecranol region is distal to the carpal region
O C. The heart lies dorsal to the vertebral column
D. The mental region is superior to the nasal region
O E. The sternal region is lateral to the axillary region.
Answers
The correct statement is D. The mental region is superior to the nasal region.
The different terms in the statements are anatomical terms. We use them to describe the regions and locations of organs.
Why are the other statements incorrect The pubic region is inferior to the pelvic region: inferior means is lower. However, the pubic region is higher than the pelvic region.The olecranon region is distal to the carpal region: we describe organs and bones in relation to the nearest parts to the axis of the body. In other words, we describe things from proximal (to the column and head) to distal. So, the carpal is distal to the olecranon.The heart lies dorsal to the vertebral column: dorsal means behind. The heart lies ventral to the column. In other words, towards the front of it. The sternal region is lateral to the axillary region: we describe locations from proximal to distal, so the axillary region is lateral to the sternal region.
In conclusion, the correct option is: The mental region is superior to the nasal region because the mental region is the one that is above the nasal one in the skull.
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Plsssss help rn and pls don’t guess.
In two to three sentences, describe why Prunnett squats do not accurately demonstrate how asexual reproduction passes on traits.
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Answer:
Punnett Squares are unable to predict the offspring of an asexual organism because there is only one parent from which the offspring can receive genes from. The whole point of a Punnett Square is the fact that it covers all possible offspring outcomes besides mutations from the usual two parents.
Which best describes dogwood leaves?
They are lobed, simple leaves and are attached staggered on the branch.
They are not heart shaped and are attached staggered on the branch.
They are compound, broad leaves and are attached oppositely on the branch.
They are nonlobed, simple leaves and are attached oppositely on the branch.
Answers
They are nonlobed, simple leaves and are attached oppositely on the branch best describes dogwood leaves.
What is Dogwood?Flowering dogwood is a stunning flowering tree native to our area and one of America's most popular small decorative trees.
People use American dogwood for headaches, fatigue, fever, and ongoing diarrhea. It is also used to increase strength, to stimulate appetite, and as a tonic.
Leaves are opposite, simple, egg-shaped, 3–5 inches long, dark green with slightly wavy edges, and opposite, simple, egg-shaped, 3–5 inches long, dark green, with slightly wavy edges. With thin, squarish plates, the bark is dark gray to brown. Twigs are flexible, slender, reddish-gray to purplish in color, or greenish with red spots in color, hairy, and have terminal flower buds. The leaf buds are round and compressed.
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4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
Answers
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)
Answers
Answer:
Explanation:
To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."
i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:
Y Y
y Yy Yy
y YY YY
ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.
The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).
Question 2:
To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.
why is soil a renewable source
Answers
Answer:
bc, when things decompose, they make soil!:) I think...
Explanation:
recall the original source of energy for all ecosystems of organism on earth
Answers
Answer:
3.1 The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.
Explanation:
have a nice day.
in which biome are minerals in the soil most rapidly depleted
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Answer:
Boreal forest is among the largest terrestrial biomes on earth in which minerals in the soil most rapidly depleted.
Provide a scientific term for ‘breaking down’ of nutrients.
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Answer: DIGESTION
Explanation:the breaking down of nutrients is know as digestion.DIGESTION is the process of mechanically breaking down food into substances for absorption into the bloodstream. Hope this helps!
How do we use relative dating to determine the age of a fossil, artifact, or rock layer?
Answers
Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.
Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
What is absolute dating?Absolute dating is used to determine a precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil or more often the rocks associated with it.
The relative and absolute dating are two commonly used dating methods that are used in the field of radioactivity. These substances such as rocks and fossils that are dated are comprised of radioactive isotopes which decays over a specific period of time at a certain rate. The absolute dating is a technique of dating the rocks in which the numerical age of the rock or a fossil specimen can be determined.
On the other hand, the relative dating method is a dating method in which the relative ages between two or more rock types of fossils can be evaluated. This can be determined with the help of fossils also, and also by the Law of Superposition.
Therefore, Relative dating is used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages.
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where are embryonic stem cells harvested from? kidneys , cord blood , cytoplasm or bone marrow
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how do i turn off the internet while choking bart simpson
Answers
Answer:
good question, you don't. Or simply wait untill you finish choking bart
When plate tectonics cause cracks to form, _____________.
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What is a trophic level?A. a way of looking at feeding relationships that links many feeding relationships in an ecosystem togetherB. a reflection of where an organism is in the sequence of energy transfersC. an illustration that shows the amount of energy contained at each trophic levelD. a way of looking at feeding relationships that shows a single path by which energy is transferred
Answers
The trophic level is one of the forms that shows the hierarchical levels in an ecosystem, by comprising organisms that share the same function in the food chain with the same number of steps and nutritional relationship to the primary sources of energy. Therefore, the alternative that is closer to the definition of a trophic level is the one that says: a way of looking at feeding relationships that shows a single path by which energy is transferred (d).
Answer:B. a reflection of where an organism is in the sequence of energy transfer
Explanation:
A trophic level is a reflection of where an organism is in the sequence of energy transfers in an ecosystem. It represents the position of an organism in a food chain or food web and indicates its source of energy and its role in transferring energy to other organisms. Each trophic level represents a different level of energy transfer, starting with primary producers (such as plants or algae) at the lowest level, followed by primary consumers (herbivores), secondary consumers (carnivores or omnivores), and so on
Describe the relationship between the level of oestrogen and the endometrium from day 7to day 14
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algae makes energy-rich carbon compounds through photosynthesis.
(T/F)
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The given statement " Algae indeed produce energy-rich carbon compounds through photosynthesis". is True because Photosynthesis is a vital process that occurs in the chloroplasts of algae cells.
During photosynthesis, algae capture light energy using pigments like chlorophyll and convert it into chemical energy. They utilize this energy to break down water molecules, releasing oxygen as a byproduct, and incorporating carbon dioxide from the surrounding environment. Through a series of enzymatic reactions, algae synthesize glucose, a high-energy carbon compound.
Glucose serves as a primary source of energy for algae, enabling them to carry out essential metabolic processes and sustain their growth. Additionally, algae can convert excess glucose into other energy-rich carbon compounds, such as lipids and starches, which serve as energy storage molecules. These compounds can be used during periods of limited sunlight or nutrient availability.
Overall, algae's ability to generate energy-rich carbon compounds through photosynthesis makes them an important component of aquatic ecosystems and potential sources for renewable energy production and biofuel development.
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Someone help me give me the answer
Answers
blank is stored in a fossil fuel and released in the form of kinetic energy when burned
Answers
Answer:
Chemical energy.
Explanation:
Chemical energy is stored in a fossil fuel and released in the form of kinetic energy when burned
Hope this helps!
Part C. These Beatles have a uniform distribution. And you’re one how many Beatles are there per hectare? How many Beatles per hectare you were there in the year the Beatles Rich carrying capacity? Round up or down to the nearest whole number if necessary
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In year 1, the population was 11,500 spread over 115 hectares.
What is carrying capacity?Carrying capacity referred to as a specie's average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water. If these needs are not met, the population will decrease until the resource rebounds.
The number of beetles per hectare is 11,500/115= 100 beetles.
By year six, when the beetles reached the carrying capacity, the number of beetles per hectare is 14,677/115 = 128 beetles.
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What is the main difference between a child and a teenager?
Answers
Answer:
puberty
Explanation:
Answer:
A child is a kid that is in a learning age. a child might say anything that does not make any sense. However, a teenager must be learned on how to behave. A teen must talk sense able things and not like a kid.
Explanation:
Hoped this helped.
What is meant by a
mutualistic type of
symbiotic relationship?
A. One organism is unaffected.
B. Both organisms benefit. This
C. One organism is harmed.
Answers
B. Both organisms benefit.
Explanation:Symbiotic relationships are interactions between different species within an environment.
Mutualistic Relationships
Mutualistic relationships are interactions where both organisms are benefitted. One example is bees and flowers. In this relationship, the bees get food in the form of nectar and the flowers are pollinated by the bees. Both organisms are benefitted mutually; the bees can make honey and the flowers can reproduce.
Other Symbiotic Relationships
There are 2 other forms of symbiotic relationships. The first is commensalism: where one organism benefits but the other is unaffected. The other is parasitism: where one organism benefits and the other is harmed.
8. Metamorphic rocks are created through a change in the rock's original structure.
A. What are three types of change that occur in the process of metamorphism? (3 points)
B. What happens to the rock structure during each of type of change? (6 points)
Answers
A. Three types of change that occur in the process of metamorphism are: Recrystallization, Neometamorphism and Deformation.
What are the changes that occur in the rock structure?B. The changes that occur in the rock structure during each type of metamorphism are:
Recrystallization: This involves the growth of new crystals within the rock, while retaining the same mineral composition. During this process, the original crystal structure may be destroyed, and new crystals may form in a more tightly packed, interlocking arrangement. Neometamorphism: This involves the formation of new minerals from the original minerals in the rock. The temperature and pressure conditions during this process may be high enough to break down the original minerals and form new ones.Deformation: This involves the physical alteration of the rock due to stress and pressure. The rock may be folded, faulted, or sheared, leading to a change in its shape and structure. During this process, the original mineral composition and texture of the rock may be preserved, but its physical structure will be altered.Learn more about Metamorphic rocks here: https://brainly.com/question/20475194
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Answer:
8. Metamorphic rocks are created through a change in the rock's original structure.
A. What are three types of change that occur in the process of metamorphism? (3 points) Contact, regional, and dynamic.
B. What happens to the rock structure during each of type of change? (6 points)
Contact metamorphism occurs when magma comes into contact with an already-existing rock body.
Regional metamorphism occurs when rocks are exposed to heat and pressure over a large area.
Dynamic metamorphism occurs from high shear stress, high pressure, and high strain.
Explanation:
Pls don't copy word-for-word, this is from my assignment submission and we could both be in trouble for plagiarism.
Complete the blank pls
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Two life functions performed by all living organisms are nutrition and respiration.
Identify two other life functions that are essential for the survival of all living organisms.
Explain how each of the two life functions you identified maintains homeostasis. Life function 1:
Life function 2:
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Life processes are the fundamental tasks carried out by living things to maintain their own existence. Apart from nutrition and respiratIon other live functions performed by living things include; Excretion and MOVEMENT
Relationship between life functions and homeostasis
Homeostasis is a self-regulating process that controls internal factors needed to maintain life. In other terms, homeostasis is a system that maintains a constant environment inside an organism despite changes in the outside.
Excretion
All living things produce poisonous materials as a result of various metabolic processes. These wastes are eliminated from the body by excretion. Animals mostly create carbon dioxide and nitrogenous wastes as waste products (ammonia, urea, uric acid).
In order to maintain internal stability waste Produced by cellular metabolism are excreted
MOVEMENT
Mammals, fish, amphibians, birds, advanced invertebrates, and reptiles (excluding snakes) have organs for locomotion. Animals move around in order to find food, avoid predators, and survive unfavorable environmental conditions.
Joints and muscle contractions allow animals to move their body parts
Some organisms, like the tentacles of a sea anemone, are fixed in position but can move their individual sections.
Plants use their roots to cling to the soil.
DURING MOVEMENT living thing especially animals make use of the Nervous System to carry out homeostasis such as the Cranial nerves, spinal nerve which helps to transport sensory data from the CNS to motor impulses, the Cerebrum which helps to maintain consciousness, creativity, thinking, morals, and memory, Mindfulness, originality, ideas,
In conclusion living thing need to be stable while carrying out life function, other functions include, sensitivity ,growth, reproduction
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