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Explanation:

Lungs is not a part of circulatory system as it is the part of respiratory system.

Both poaching and habitat loss are a threat to biodiversity

Habitat loss refers to the destruction of natural ecosystems and consequent reduction in the amount of habitat available for the species living in a given area. Habitat loss is the greatest threat to ecosystems biodiversity and conservation worldwide by deteriorating natural areas and thereby reducing species distribution ranges. Habitat loss is primarily due to the expansion of human populations and human activities (i.e., mining, logging, trawling, industrial production, urbanization, etc.).  

Poaching refers to the illegal killing of wild animals for different reasons (e.g., meat, recreation, etc.), in violation of international, federal, state/provincial, or local laws. Poaching can drastically reduce the number of organisms in natural populations, thereby this human activity can reduce genetic diversity and eventually may lead to the extinction of natural populations/species.

In conclusion, both habitat loss and poaching can reduce the number of organisms, reduce biodiversity and eventually cause the extinction of natural populations.

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Answer:

C. Poaching and habitat loss

Explanation:

Test 100%

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Answer: Sample Response: Plant cells need chloroplasts so they can capture light energy to make food within the cells. Plant cells make their own food to produce energy that the cells use.

Answer:

c

Explanation:

Mendel's principle of independent assortment holds only when traits are on different chromosomes.

The independent assortment principle states that genes assort independently of one another. In order words, traits are independently inherited by offspring from parents. For example, the trait for eye color is independently inherited from skin color, height is independently inherited from feet size, and etc.

This principle only holds true when genes are located far away from one another on the same chromosome or when they are on different chromosomes entirely. Once genes are close to one another on the same chromosome, they become linked together and no longer independently inherited.

The correct option is c.

Answer:

Acidity

Explanation: I took a test :)

Technology can alter community through what becomes famous , like the cell phones that most people today have with them, and the fact that they have developed into phones with computer ability.

There are certain situation that arise as a outcome of a growing use of technology that impact the change, like Carpal Tunnel Syndrome causing shifts in the workplace, or a growing need for more technology like floppy discs changing to compact discs and DVD's.

Technology has a more favourable impact on humans or society in comparision of negative impact.

It makes our life is more easier and cite us by providing resources or tool that make our life much easier.

Thus, Technology can Alter society through what becomes famous, like the cell phones that most people today keep with them, and the fact that they have developed into phones with computer ability.

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Answer:

Technology can alter community through what becomes famous , like the cell phones that most people today have with them, and the fact that they have developed into phones with computer ability.

There are certain situation that arise as a outcome of a growing use of technology that impact the change, like Carpal Tunnel Syndrome causing shifts in the workplace, or a growing need for more technology like floppy discs changing to compact discs and DVD's.

Explanation: edgen 100%

According to the question, the answer is endocrine system it works with the nervous to control the internal organs it helps with regulation of the body hormones growth and reproduction.

Thus,  endocrine system it works with the nervous to control the internal organs.

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Answer:

at temperatures low enough to turn off the disruptive effects of thermal motions, water freezes into ice in which the hydrogen bonds form a rigid and stable network.

Explanation:

Notice that the hydrogen bond (shown by the dashed green line) is somewhat longer than the covalent O—H bond.

Answer: the answer is B

Explanation: i lied lolololloloolollololol

Answer:

Hmm.

Explanation:

Because the air gets thinner the higher the elevation (like on Mount Everest).

It is harder for a mountain climber to breath when they are thr top of a tall mountain because there is lack of oxygen in the high evalation like mount everest

Answer:

LIVING

Explanation:

I took the test and got it right :)

Answer:

alanine, arginine, glutamic acid, glycine, and proline—may play a role in bone health, principally through improved production of insulin and insulin‐like growth factor 1 and the synthesis of collagen and muscle protein

Explanation:

Answer:

If you are talking about atomic nucleus then it's consist of protons and neutrons.

Explanation:

But if you're talking about cell nucleus

Then,

It contains nuclear envelope, nuclear lamina, nucleolus, chromosomes, nucleoplasm .

Answer:

Protons and neurons.

Explanation:

The atomic nucleus consists of Protons and neurons

Answer:

Algae is able to perform nitrogen fixation.

Answer:

The answer is C.

Explanation:

I just took the test and the answer was c.

The development of nervous system and sense organs in multicellular organisms has led to evolution of species in a more complex manner.

• The development of nervous system and sense organs has permitted for a greater level of perception and better equipped organisms.

• It has permitted the organisms to collect resources, react to their surroundings, and take advantage of their surroundings.

• This has resulted in the organisms to survive longer and accommodate into bigger types of body.

• Such amendments has thus permitted organisms to become more complex  and move up the food chain.

Thus, the development of nervous system and sense organs is associated with increasing complexity of multicellular animals.

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Answer:

twenty amino acids

Explanation:

and

carbon

nitrogen

oxygen

hydrogen, for the second question

Answer:

We would also need to see the investigation to be able to help sorry

Answer: Option B.

harvest photons and transfer light energy to the reaction-center chlorophyll

Explanation:

In the thylakoid membranes,the main role of the antenna pigment molecules is harvest photons and transfer light energy to the reaction-center chlorophyll because the photon of light move until it get to a molecule in the chlorophyll. When it reaches the molecule, it causes an excitation of electrons in the chlorophyll. The energy then present allow it to break free from the chlorophyll atom, which indicate chlorophyll donating an electron and the energy that is absorbed is then converted to heat.

Answer:

There are many unique physical features that pigeons have.

Explanation:

Pigeons, according to studies, are surprisingly complex creatures. They have passed the "mirror test"(self recognition), can recognize others, and can recognize every letter of the human alphabet.

There are also incredible physical features.

Plumage is one of these. Their plumage varies, and is unique to the type of pigeon they are. Not only this, but they have the ability to walk, while most other birds hop about.

Something absolutely extraordinary about them is that they have a gland in their throat. That gland actually secretes milk for their offspring, so they have adequate nutrition to grow and develop.

Hope this helps.

providing energy storage

Answer:

B

Explanation:

Nitrogen has 7 protons

Answer:

Eukaryotic

Explanation:

Answer:

The last choice. Think of planets, the bigger they are, the stronger they attract to one another

Explanation:

hope it helps

Answer:

Anterior

Explanation:

I googled it your welcome

Answer: the answer is C,H,O

Explanation:Option B is correct

Answer:

c,h ,o

Explanation:

Answer:

Essential amino acids cannot be made by the body. As a result, they must come from food.

The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

Explanation:

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