Grade 7 life science

Answer:

Heat is the answer because it is only the type of energy while other are molecule

Answer:

This frog lives in a wide range of areas, including Tasmania, Victoria, New South Wales, Queensland, parts of South Australia and in Kununurra in Western Australia. It can live along the wet coast or even in the dry interior of Australia - it's a great survivor.

Answer:

This is because: Certain illegal drugs can cause people with an addiction to experience one or more symptoms of a mental health problem. Mental health problems can sometimes lead to alcohol or drug use, as some people with a mental health problem may misuse these substances as a form of self-medication.

Answer:

Substance abuse can cause prolonged psychotic reactions and it can make anxiety, depression even worse.

A. because all of the other answers are incorrect! Have a nice day!

Answer:

The renin-angiotensin-aldosterone system acts through several steps to produce angiotensin II, which acts to stabilize blood pressure and volume.

Explanation:

Thus, the kidneys control blood pressure and volume directly. Renin acts on angiotensinogen, which is made in the liver and converts it to angiotensin

Answer:

1) Uracil
2) Nucleus
3) Amino acid
4) RNA (rRNA)

Explanation:

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Answer:

the answer would be A

Explanation:

edge 2022

Answer:

I believe the answer is A

Explanation:

The Sun is located in the Orion Arm

Answer:

a

Explanation:

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The population of the secondary and tertiary consumer will increase if the numbers of voles and mice increased.

This refers to the number of people or inhabitants occupying an area. The increase in the primary consumers in the ecosystem means that there will also be a corresponding increase in secondary and tertiary consumer.

This is due to the availability of food for them which will increase their survival chances and reproductive rates.

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Explanation:

only light 1 and light 2 will work

Answer:

roots

Explanation:

The lower part of a plant, usually underground, by which the plant is anchored and through which water and mineral nutrients enter the plant.

Answer:

Your answer is C

Explanation:

The correct answer is for the following organisms, is grass, deer, wolf and fungi that is the option c as the  trophic level refers to the position of an organism in a food chain.

The trophic level refers to the position of an organism in a food chain or food web. In a food chain, energy flows from one trophic level to the next as organisms are eaten by other organisms. Grass occupies the first trophic level as a primary producer. Deer occupy the second trophic level as they feed on primary producers (grass). Wolves are carnivores and occupy the third trophic level as they feed on herbivores (deer). Fungi occupy the last trophic level as decomposers, so this is the correct order among all other options.

Thus, correct option is option c.

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Answer:

a

Explanation:

it's A because in a society we have lots of people coming with different type of cultures and every culture is unique

Answer:

a gene

Explanation:

thhis was a review in high school

Answer:

A

Explanation:

In North America, birds like broad-winged hawks, cardinals, snowy owls, and pileated woodpeckers are found in this biome. Mammals in North American temperate deciduous forests include white-tailed deer, raccoons, opossums, porcupines and red foxes.

Answer:

A- Oxygen and Glucose

B-Correct

C-Nucleus

D-Ribosome

Explanation:

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Plants are autotrophic organisms, because they make their own food. Therefore, option (B) is correct.

An autotrophic organism is an organism that is able to produce its own food using energy from an external source, such as sunlight or inorganic chemical reactions. Autotrophic organisms are able to sustain themselves without relying on organic matter from other sources, and they play a vital role in many ecosystems as producers.

There are two main types of autotrophic organisms: photosynthesizers and chemosynthesizers. Photosynthesizers, such as plants and algae, use sunlight as an energy source to convert carbon dioxide and water into glucose through the process of photosynthesis. Chemosynthesizers, such as certain bacteria and archaea, use inorganic chemical reactions, such as the oxidation of sulfur or methane, as an energy source to produce organic compounds.

Autotrophic organisms are important because they form the base of many food chains, providing energy and nutrients for other organisms. They also play a key role in regulating the levels of carbon dioxide and oxygen in the atmosphere.

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The  central route persuasion in the options provided for the question is drawing attention to the cleaning power of the ingredients.

The central route persuasion as applied in advertisement tends to promotes the merits of the product that is being advertised and may sometimes be achieved the the use of positive statistics.

Hence, an example of the  central route persuasion in the options provided for the question is drawing attention to the cleaning power of the ingredients.

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Answer:

Newton meant to say that even the biggest scientist had made mistakes and so did he in his experiemnts and that they all learned from each others ideas

Newton intended to imply that even the most accomplished scientists made errors, just as he did in his experiments, and that they all benefited from one another's insights.

The term is considered to suggest that Newton was working in the context of findings made by previous scientists, either in his own time or earlier.

If I have seen further, it is because I have been supported by giants. Since it occurred in a letter he addressed to fellow English scientist Robert Hooke on February 5, probably in 1675 or 1676, this quotation has been credited to Sir Isaac Newton.

Describing how his innovations (and those of others) were made possible by the fact that they built on earlier concepts and accomplishments.

Therefore, There is no disputing that Newton is the author of this statement.

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PCR technique is important in STR profiling in order to amplify and detect the number of Stars at a specific gene loci.

Short Tandem Repeat profiling is a technique in molecular biology used to compare allele repeats known as STRs at specific loci in DNA between two or more samples.

The PCR (polymerase chain reaction) technique used in STR profiling involves making multiple copies is a particular segment of DNA in order to make enough quantities detectable in the analysis.

Therefore, PCR technique is important in STR profiling to detect the number of Stars at a specific gene loci.

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Answer:

the answer is natural gas :)

Explanation:

Petroleum and natural gas are formed from compressed organic matter

Answer:

I believe your answer is 92 because it is double 46.

Answer:

D. Chemical Energy

Explanation:

Sunlight is converted to chemical energy in the form of ATP (adenosine triphosphate), which is the main energy-storing molecule in living organisms. ATP is then transported throughout the chloroplast and used to provide the chemical energy necessary to power other metabolic reactions.

Answer:

The number of protons in it.

Explanation:

There are two properties that can be used to identify an element:

The number of neutrons and number of electrons are frequently equal to the number of protons, but can vary depending on the atom in question

Answer:

The cornea

Explanation:

The cornea is the only part of a human body that has no blood supply; it gets oxygen directly through the air.

Answer: The cornea is the only part of the human body that has no blood supply. It gets oxygen directly through air.

Explanation:

Answer:

True

Explanation:

The crust makes up less than 1% of earths mass.

Answer:

Three main differences between convergent and divergent evolution are: Convergent evolution shows how species have evolved separately but have similar (analogous) structures. Divergent evolution demonstrates how species can have common (homologous) anatomical structures which have evolved for different purposes.

Explanation:

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Answer:

They can destroy the ecosystem or out - compete a native species.

Explanation:

For example, if an invasive species of tree is taller than the native species of tree and therefore takes up more sunlight, leaving the shorter native tree not enough sun, then it will effectively kill the native tree.

Also non - native and invasive are not the same thing. A non - native species doesn't necessarily mean it's invasive. It is only invasive if it begins to have a significant impact on the ecosystem it is inhabiting.

Answer:

A) both the population of rabbits and the population of grasses decreases.

Explanation:

Since there is a larger amount of rabbits, they eat the food (grass) and then the grass amount gets smaller and the rabbits start starving and dying. So both populations would suffer.

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We can confirm that throughout this experiment, the water vaporized, then condensed into a liquid once again.

As the water was heated by the electric heater, its internal temperature increased. Once this temperature reached the boiling point of water, the water vaporized or evaporated into a gas. This gas then reached the mirror, where it collected and cooled down, condensing back into a liquid in the form of water droplets.

Therefore, we can confirm that throughout this experiment, the water vaporized, then condensed into a liquid once again.

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B or A

Explanation:

its one of those items ! pick wisely