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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)

Answer:

The ecosystems are different

Explanation:

Every ecosystem needs most of the types, such as producers and herbivours, but different animals need different climates, such as cacti need deserts, yet fish need water, they can't( Or shouldn't ) Be in the same ecosystem due to thier needs.

Answer: Every ecosystem needs most of the types, such as producers and herbivours, but different animals need different climates, such as cacti need deserts, yet fish need water, they can't( Or shouldn't ) Be in the same ecosystem due to thier needs.

Explanation:

The position of the foramen magnum, the opening in the skull where the spinal cord enters, can indicate bipedalism if it is located underneath the skull, indicating that the spinal cord was oriented vertically to support the weight of the body in an upright position.

In bipedal primates, such as humans, the position of the foramen magnum is located towards the bottom of the skull, close to the center of the skull's base. This is because when an animal stands upright, the skull needs to be balanced on top of the spine, which is vertical. Therefore, the foramen magnum needs to be positioned in a way that allows the skull to be balanced over the spine.

In contrast, in non-bipedal primates, such as chimpanzees, the foramen magnum is located towards the back of the skull, closer to the posterior end of the skull's base. This is because their spines are oriented horizontally and the skull sits atop the spine, more like a table, rather than a pillar.

Therefore, the position of the foramen magnum is an important indicator of bipedalism, as it reveals how the skull is balanced on the spine and whether the spinal cord orientation is adapted for upright walking.

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Answer:

number of protons = 48

number of neutrons = 64

number of electrons = 48

Explanation:

The mass number of an atom is the sum of the number of protons and neutrons in the nucleus of the atom. Hence, for Cadmium;

mass number = proton number + neutron number = 112

Cadmium has an atomic number of 48. The atomic number is the number of protons found in the nucleus of the atoms of an element. Hence, the number of protons in an atom of Cadmium is 48.

proton number + neutron number = 112

proton number = 48, hence

48 + neutron number = 112

neutron number = 112 - 48 = 64

Also, for a neutral atom of an element, the number of protons and electrons must balance. This means that for a neutral atom of Cadmium with a proton number of 48, the number of electrons will also be 48.

In summary, for cadmium:

number of protons = 48

number of neutrons = 64

number of electrons = 48

The mass number of an atom can be seen as the sum of the number of protons and neutrons in the nucleus of the atom. And the number of protons is always the same as the number of electrons

The number of protons = 48

The number of neutrons = 64

The number of electrons = 48

 Since the mass number = proton number + neutron number = 112.

And cadmium has an atomic number of 48.

The atomic number is the also regarded as the number of protons found in the nucleus of the atoms of an element.

Then the  number of protons in an atom of Cadmium is 48.

Since proton number + neutron number = 112

    48 + x = 112

    x = 112 - 48 = 64

Therefore the number of neutron is 64.

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The ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

To find the ratio between 92 mL and 3.0 fl oz, we need to convert the units to a common measurement. Let's convert 3.0 fl oz to milliliters (mL).

1 fluid ounce (fl oz) is equal to approximately 29.5735 milliliters (mL).

Therefore, 3.0 fl oz is equal to 3.0 * 29.5735 = 88.72 mL (rounded to two decimal places).

Now we can express the ratio between 92 mL and 88.72 mL:

92 mL : 88.72 mL

Simplifying the ratio by dividing both sides by the greatest common divisor, we get:

46 : 44

So, the ratio between 92 mL and 3.0 fl oz is 46 : 44, or it can be further simplified to 23 : 22.

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Steer clear of the main X-ray beam. Put on safety gear. When feasible, shielding should be used. must position oneself and the machine to deliver the least amount of radiation.

ALARA stands for abstaining from radiation, especially at low doses, that does not directly benefit you. Time, distance, & shielding are the three fundamental x-ray radiation safety precautions that may be used in this situation. Heat has an impact on film packages that are still sealed; heat and humidity have an impact on packages that are open. Store all packets in a cool, dry location between 50° & 75°F (10° to 24°C) and keep them away from heat sources. Film should be stored in unsealed containers once at relative humidity of 30 to 50 percent. Put the patient in a thyroid collar or a protective apron. Reduce x-ray radiation exposure to the patient by using rectangular collimation.

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Some external costs associated with the product that are not reflected in the price that you pay for the product is pollution.

This is the cost which doesn't reflect in the prices of goods and services and is the side effect of the operations of a company.

The cost of burning the fuel used which results in pollution is an example of external costs associated with products.

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Answer:

B

Explanation:

Glucose and other carbohydrates made by plants during photosynthesis are broken down by the process of aerobic cellular respiration (requires oxygen) in the mitochondria of the cell. This releases energy (ATP) for the cell. Because they break chemical bonds of glucose to release energy to do work in a cell.

Chloroplasts make food using energy from the Sun, and mitochondria break down this food to release energy for the cell. Thus, the correct option is B.

Plant cell organelles are the specialized organelles which help to maintain the structure of the plant cell, such as the water containing vacuoles and the rigid cell wall which is made up of cellulose. The chloroplasts in the plant cell are the organelles that contain chlorophyll pigment and allow plant cells to do photosynthesis and produce carbohydrate.

Glucose and other carbohydrates (sugars) are made by plant cells during photosynthesis are then broken down by the process of aerobic cellular respiration which requires oxygen molecule in the mitochondria of the plant cell. This releases energy in the form of ATP for the cell. Because they break the chemical bonds which are present in the glucose molecule to release energy to do work in a cell.

Therefore, the correct option is B.

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The activities mentioned, such as gardening, quarrying, mining, deforestation, bad farming, and kaingin (slash-and-burn agriculture), can have negative impacts on the soil.

These activities disrupt the natural balance of soil ecosystems and can lead to soil degradation and damage. Gardening, when done improperly, can result in soil compaction and nutrient depletion. Quarrying and mining operations can strip away topsoil, leaving behind barren landscapes.

Deforestation removes the protective cover of trees, leading to soil erosion. Bad farming practices, such as overuse of chemical fertilizers and pesticides, can harm soil health and biodiversity. Kaingin, with its practice of burning vegetation, destroys organic matter and alters soil fertility.

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Answer:pollen grain

Explanation:

Because it contains male gametophyte.

Answer:

a living organism that shapes its environment

Explanation:

hope this helps

Answer:

you want to know what the dimensions are?

the dimensions are the height (up and down) and the base length (dotted line)

The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.

Genotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.

When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.

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Answer:

I think the answer to your question is A

Answer:

#male gametes are formed

#generative nucleus divides

#fertilization takes place

#pollen tube grows

# zygote is formed

#embryo is formed

Answer:

1. male gametes are formed

2. generative nucleus divides

3. fertilization takes place

4. pollen tube grows

5. zygote is formed

6. embryo is formed

Answer:

You can tell by which animals are at the top of the food chain.

Explanation:

You can tell this because if you count all the biomass below the animals at the top of the food web (which eat all the biomass below it), there is much more biomass below these animals (the ones at the top of the food chain), than any other animal below it. For example, if the rat ate a grasshopper it will receive its biomass, but if the python then eats the rat, then the python will be getting the biomass of the rat and the grasshopper, compared to the rat just getting the biomass of the grasshopper. So since there is much more biomass below the animals at the top of the food web, this means that the animals at the top of the food web receive the most biomass (when they eat the animals below them) out of the whole food web individuals.

Answer:

High temperature and high precipitation

Answer:

c

Explanation:

i took the test

Human gene editing can be ethically controversial for people with religous beliefs as it can be interpreted as "playing God". Another controversy is, even though being able to delete a gene that causes a diseases may not be very debatable, if that is possible, changing other features such as eye or hair colour can be put in the table. Moreover, it is also debatable if some syndromes, whichare not diseases, may be considered as a reason for applying gene edition. It is also important to mention, that nowadays it is not an accessible therapy, due to its complexity and its high economical cost.

Answer:

A compound microscope because it uses light for illumination of specimen

Read the problem and identify all variables given within the problem as well as all forms of energy using the equation for total mechanical energy, insert calculated values of kinetic energy and potential energy.

Answer:

B. central vacuole

Answer:

Transcription, as related to genomics, is the process of making an RNA copy of a gene's DNA sequence. This copy, called messenger RNA (mRNA), carries the gene's protein information encoded in DNA.

Explanation:

Mitosis

Purpose: To make new cells

Number of Cells Produced: 2

Rounds of Cell Division: 1

Haploid or Diploid: Diploid

Daughter cells identical to parent cells: Yes

Daughter cells identical to each other: Yes

Meiosis:

Purpose: To make gametes

Number of Cells Produced: 4

Rounds of Cell Division: 2

Haploid or Diploid: Haploid

Daughter cells identical to parent cells: No

Daughter cells identical to each other: No

"Producer → primary consumer → secondary consumer" best represents a simple food chain. Therefore, option A is correct.

A food chain is a network of links in a food web that runs in a straight line from producer organisms to apex predators, detritivores, or decomposer species.

A food chain also demonstrates how organisms are connected to one another by the foods they consume. A food chain's levels correspond to several trophic levels.

"Producer → primary consumer → secondary consumer" best represents a simple food chain. Therefore, option A is correct.

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Answer:

What is the lab about and what are the variables is something to first think about

The Laboratory is a room that teachers learns on how to Use the instrument in the room and how they works and gives us information about them to have more understanding.

Answer:

Green stool often occurs with diarrhea, so drink plenty of fluids and seek immediate medical attention if you or your child becomes dehydrated. So this means that you have diarrhea. Call a doctor, if you have green poop more than a few days.

Explanation: Hope this help and hope you fell better!

The differences in the DNA bases between individuals can affect the amino acid sequence of the proteins they produce. The DNA sequence is translated into a sequence of amino acids through the process of protein synthesis. The DNA sequence is read in groups of three nucleotides, called codons, and each codon corresponds to a specific amino acid.

There are four different nucleotide bases in DNA: adenine (A), cytosine (C), guanine (G), and thymine (T). The sequence of these bases determines the sequence of the codons in the DNA, and therefore the sequence of the amino acids in the resulting protein.

A change in a single base pair can result in a different amino acid being added to the growing protein chain. This is called a "missense" mutation. Alternatively, a change in a single base pair can result in a premature stop codon, which can lead to a truncated protein or a non-functional protein. This is called a "nonsense" mutation.

The differences in the DNA bases between individuals can result in different amino acid sequences and different protein structures, which can have a range of effects on an individual's traits and susceptibility to disease. For example, some genetic diseases are caused by mutations in specific genes that result in abnormal proteins. Understanding the effects of these mutations on protein structure and function can provide insight into the underlying mechanisms of these diseases and inform the development of potential treatments.

Answer:

Impacts of  suburban development on undeveloped deciduous forest and meadow ecosystems are - : loss of biodiversity , excessive land use , deforestation , degradation of air quality , increase in the amount of greenhouse gases , therefore leading to environmental loss .

Explanation:

SUBURBANIZATION -:  Suburbanization is a demographic change, resulting in the creation of (sub)urban sprawl, from core urban areas to suburbs. Low-density, peripheral urban areas are increasing as a consequence of the migration of households and companies out of the city centers. (Urbanization, which signifies a demographic change from rural areas to urban centres, is inversely related to suburbanization.)

Within the central urban area, many residents of metropolitan regions work and prefer to live in satellite communities called suburbs and commute to work by car or mass transit. Others have taken advantage of advances in technology to operate from their homes.

Environmental Implications   -: This can have negative effects on the community with the growth of suburbanization and the spread of individuals living outside the city. Suburbanization has been related to an increase in the mileage of automobiles, an increase in land usage, and an increase in the use of residential electricity. These suburbanization factors then induced air quality deterioration, increased use of natural resources such as water and oil, and increased quantities of greenhouse gases. This causes increased use of oil and gas as well as an increase in pollution as the use of cars to drive to and from the workplace grows. This will then cause air pollution and degrade the air quality of a region with a rise in emissions from vehicles. Suburbanization is increasing, leading to an increase in housing growth, which causes the consumption of land and land available to increase.