Complete the paragraph by applying the laws of conservation of energy and matter to the interactions between Earth’s subsystems.

According to the law of conservation, both energy and matter are ____1______
in natural systems. Earth as a whole is a ____2______ system, in which energy and matter can move from one subsystem to another.
As energy and matter are transferred between subsystems, different forms of matter and energy interact. For example, during photosynthesis, carbon is transferred from the ____3_____ into the biosphere, while radiant energy from _____4_____ is being converted into chemical energy. During this process, the amount of carbon remains constant, but some of the radiant energy is transformed into ____5_____ energy.

1. Conserved
Created
Destroyed

2. Open
Closed
Unnatural

3. Hydrosphere
Atmosphere
Geosphere

4. the moon
the Earth
the sun

5. Mechanical
electrical
heat

Answer:

Making stuff with mud is science because these are experiments used to establish facts and principles about mud and/or the different types of soil constituting the mud

Explanation:

Science is a discipline that studies the establishment of facts, principles and methods through experimentation and instills processes of investigations to learners. Making stuff with mud can be used to establish facts and principles e.g clay soil has smooth and fine particles and has high adhesive forces of attraction with water and hence will make longer and thinner ribbons while sand has large rough particles which make large and chubby (I couldn't think of another word) ribbons due to the weak adhesive forces between the particles and water.

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Answers: examples of host defence mechanism include: Innate anatomical and physiological barriers, Innate cellular and chemical defenses.

Explanation:

The capability of the human body to resist almost all types of organisms or toxins that tend to damage the tissues and organs is known as IMMUNITY. This host defence mechanism can be classified into INNATE or adaptive immunity.

The immunity that results from general processes, rather than from processes directed at specific disease organisms is called the INNATE IMMUNITY. The anatomical and physiological barriers of the innate immunity provides the first line of defence against pathogens. Examples of these barriers of the innate immunity includes:

--> Destruction of swallowed organisms by the low stomach pH and digestive enzymes

--> The vigorous mucociliary clearance mechanisms of the respiratory airways and lungs.

--> Resistance of the skin to invasion by organisms

While examples of innate cellular and chemical defenses include:

--> Phagocytosis of bacteria and other invaders by white blood cells and cells of the tissue macrophage System

--> lysozymes, a mucolytic polysaccharide that attacks bacteria and cause them to dissolute.

--> basic polypeptides which react and inactivate certain types of gram- positive bacteria

-->natural killer lymphocytes that can recognize and destroy foreign and tumor cells.

Answer:

Peak: -20 C

Mid-Level: -9 C

Sea-Level: 12 C

Explanation:

The higher up you go, the colder it is. This is because cold air drifts above warm air.

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Answer:

i can be completely wrong but i think -9C would go at the top -20C would go in the middle and 12C at the bottom then again where im from we dont really do C so i can be completely wrong sorry if i am

Answer:

Hey mate......

Explanation:

This is ur answer.....

1A) There are 2 ways:-

• Anaerobic Respiration.

The anaerobic respiration process takes place in the absence of oxygen.

• Aerobic Respiration.

In aerobic respiration, breakdown of pyruvate takes place in the presence of oxygen to give rise to 3 molecules of carbon dioxide and water.

2A)  Oxygen is transported from lungs to body cells in the form of oxyhemoglobin . the main 2 gases exchanged are 02 & C02 . 02 is absorbed by blood capillaries from lungs alveoli by diffusion while C02 is absorbed by blood alveoli from blood capillaries by diffusion.

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The answer to your question is C

Answer:

A+ ,A-,B+,B-,O+,O-,AB+,AB-

Answer:

B. Decreases

Explanation:

In an ideal food chain, nutritional energy from producers (plants) are transfered to other animals at different levels on the food chain. As nutritional level is being passed from one level to another, most of the nutritional energy is lost in the process. Therefore, energy decreases as the nutritional energy passes through the food chain.

Answer:

the process which includes as growth, differentiation, respiration, digestion, and excretion during their life time is life process.

Answer:

Growth, differentiation, respiration, digestion, and excretion are life processes.

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Answer:

Yes there will be a slight difference in texture but ultimately it is a acceptable substitution. Just make sure to look at the recipe. It depends on how much fat and moisture that milk is contributing to the overall batter or food

Answer:

C

Explanation:

Scientists name animals and plants using the system that describes the genus and species of the organism.

Answer:

A

Explanation:

Each chromosome contains a single double-stranded piece of DNA along with the aforementioned packaging proteins. Chromatin condensation begins during prophase and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis

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Answer: very fast environmental changes that affect organisms quickly

Explanation:

Answer:

Explanation:

This is because ferns are vascular plants i.e they have vascular tissues which are xylem and phloems which help to conduct water and nutrients while mosses are non vascular plants.

2. Ferns sporophytes are differentiated into true leaves, stems and true roots while mosses lack true roots, stems and leaves.

Underground stems are modified part of plants that are derived from stem tissues which grow under the ground. Underground stems grow beneath the soil. Examples include Rhizomes, ginger, tubers e t.c.

Answer:

1) index countouts

2) mountain

3) up hills

4) 100 meters

5)

Answer:

This question lacks options, the options are:

A. the mRNA strand is complementary to the DNA template strand; however, uracil instead of adenine is paired with thymine

B. the mRNA strand is complementary to the DNA template strand; however, uracil instead of thymine is paired with adenine

C. the mRNA strand is an exact copy of the DNA template strand; however uracil instead of adenine is paired with thymine

D. the mRNA strand is an exact copy of the DNA template strand; however, uracil instead of thymine is paired with adenine

The answer is B

Explanation:

Protein synthesis which encompasses how gene is used to synthesize proteins consists of two processes namely; transcription and translation.

- Transcription is the process whereby the sequence of a DNA template is used to synthesize a mRNA strand. The mRNA sequence is synthesized using the COMPLEMENTARY BASE PAIRING RULE, which states that Adenine base (A) will always hydrogen pair with Thymine (T) while Guanine (G) will always pair with Cytosine (C).

This means that the mRNA strand produced is complementary to the DNA template strand that was transcribed. However, Uracil base (U) replaces thymine (T) in the mRNA molecule because Thymine is not found in RNA. Hence, Uracil instead of Thymine pairs with Adenine in the mRNA.

That is;

A - U, T - A, G - C.

Inference from phylogenic tree is:

Species A was probably much larger than any of the other organisms.

What is phylogenic tree?

A phylogenetic tree, also known as a phylogeny, is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from a common ancestor.

What can phylogenetic trees tell us?

A phylogenetic tree can help trace a species back through evolutionary history, down the branches of the tree, and locate their common ancestry along the way.

Hence ,option A is correct

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Answer:

They are stronger and use up more energy

Answer:

C

Explanation:

The activator is a sequence-specific DNA-binding protein that is present in some tissues but not in other tissues. The correct option is C.

Gene expression is the process through which a gene's information is used to create a functioning gene product, allowing it to produce end products like proteins or non-coding RNA and ultimately have an impact on phenotypes.

Because a particular protein can only be made when its gene is turned on, gene expression is significant.

However, there are several steps involved in translating a gene into a protein, and one of these steps—the creation of proteins—is crucial in the gene expression pathway that can be changed in cancer.

According to the diagram, the activator is a DNA-binding protein that only binds to certain sequences in select tissues.

Thus, the correct option is C.

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Your question seems incomplete, the missing image is:

Because top consumers have less energy than producers, there is only enough food for a few top level consumers, but there is plenty of food for herbivores lower down the food chain.

Forest ecology is the scientific study of forest patterns, processes, flora, fauna, and ecosystems. Forest management includes forestry, silviculture, and forest management.

The existence of all species in the forest in a well-balanced and environmentally friendly manner is the function of the forest ecosystem.

Forest ecosystems are classified as boreal, temperate, or tropical rainforest ecosystems.

The transfer of energy from one trophic level to the next, up the food chain, is shaped like a pyramid, with the base being wider and the top being narrower.

Because of this inefficiency, there is only enough food for a few top-tier consumers, but plenty for herbivores lower down the food chain.

Thus, top consumers were the least numerous.

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Answer:

Additional Information: Mutualism is the relationship where both organisms get positive results from it. An example of mutualism is the relationship between remora and shark.When one organism lives on another organism, that type of symbiotic relationship is called parasitism.

Answer: During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts. In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.

Explanation:

Answer:

D.

as roots help plants to be stable in ground

Answer:

Carbon sources

Carbon sequestration

Explanation:

Carbon sources are regions that produces atmospheric carbon dioxide. This carbon dioxide is naturally added to the atmosphere when organisms respire, decompose, rocks with carbonate are weathered and volcanoes erupt.

Carbon sequestration is the process of taken and storing atmospheric carbon dioxide. The method helps in reducing the amount of carbon dioxide in the atmosphere which in turn reduces global climate change.