Decide whether each statement describes mass or weight?

It is 100% Parasitism.

Parasitism is a relationship between two organisms were one organism, or the parasite feeds at the cost of the other organism or host. Ticks and dogs, these are two things a pet owner dreds to see. The tick is considered the parasite because it can get on to a dog and carries diseases with it. One disease is called the Rocky Mountain spotted fever, this can be harmful to the dog and can have it become very ill.

Answer:

true

Explanation:

The absence of estuaries would result in increased pollutants in the ocean, harming marine life and water quality. Estuaries serve as vital natural filters and habitats for many species, and their loss would have significant ecological and economic impacts.

If there were no estuaries, one of the impacts on the environment would be B. there would be more pollutants in the ocean. Estuaries act as natural filters trapping pollutants and sediments, which helps to maintain the quality of the ocean waters. Without estuaries, these pollutants would flow more freely into the ocean, leading to degraded water quality and potential harm to marine life. Furthermore, estuaries are areas where the salinity varies because they are transition zones between river environments and maritime environments. These habitats are essential for many species for part of or all of their life cycles, including commercially important fish species. The loss of estuaries can also affect the biodiversity of the area and disrupt the entire marine food chain.

The presence of estuaries is also significant for mitigating the effects of climate change. For instance, these environments can buffer against sea level rise and storm surges, protecting inland areas. Moreover, estuaries are important breeding and feeding grounds for many species of wildlife and are some of the most productive ecosystems in the world. Additionally, many human economic activities, like fishing and tourism, are directly linked to the health of estuary systems. Therefore, the disappearance of estuaries would not only affect ocean health but also the economy and well-being of human communities that depend on these biologically rich areas.

Answer:

Hydrochloric acid reacts with zinc metal to produce hydrogen gas, zinc chloride, and heat.

Explanation:

The chemical properties of hydrochloric acid are monoprotic which can donate only one proton (H+). In water which completely dissociates to form hydrogen and chloride ions.

Hydrochloric acid also known as muriatic acid is an aqueous solution of hydrogen chloride. It is a colorless solution with a characteristic pungent odor that is classified as a strong acid and is a component of gastric acid in the digestive tract of most animal species, including humans.

Physical properties such as the boiling and melting points, density, and pH of hydrochloric acid depend on the concentration of hydrochloric acid in water. It is colorless with a very pungent odor.

The reason hydrochloric acid dissociates into hydrogen and chloride ions is because it is a polar covalent compound and therefore ionizes when it is added to water.

Thus, the chemical properties of hydrochloric acid are monoprotic which can donate only one proton (H+). In water which completely dissociates to form hydrogen and chloride ions.

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Answer:

c

Explanation:

Answer:

De-o-po-si-ti-on

Explanation:

Answer:

C. The direction of motion.

Explanation:

Here, the core answer is that the blood cells burst because they were placed in water, a hypotonic solution. That is, in Option A, as the blood cells are placed in a hypotonic solution, such as pure water, the concentration of solutes outside the cells is lower than the concentration inside the cells.

Blood cells are surrounded by a selectively permeable membrane that controls the movement of substances in and out of the cell. The movement of water across this membrane is influenced by the concentration of solutes (ions and other dissolved substances) on either side of the membrane. If the concentration of solutes is higher outside the cell than inside, water will move out of the cell in an attempt to equalize the concentration of solutes on both sides of the membrane. This can lead to cell shrinkage, known as crenation.

Hence, Here, the core answer is that the blood cells burst because they were placed in water, a hypotonic solution. That is, in Option A

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Answer: My score is 10/10 because work overload, few hours of sleep, and lack of time to finish university work.

Explanation:

Differences in the density of water can also cause currents to form and move. Density is affected by temperature and salinity. Cold water or water with dissolved salts (higher salinity) is denser than warm water or water without dissolved salts (low or no salinity).

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Are people who drink tea, happier then others who don't,, thats the answer.

Nuclear because, its nuclear.

Oxygen is essential for aerobic organisms, and humans, flatworms, and ferns have evolved different methods to obtain it: humans use lungs, flatworms rely on diffusion through their skin, and ferns utilize stomata on their leaves for gas exchange.

Oxygen is crucial for the survival of all aerobic organisms as it is essential for carrying out metabolic functions. Different organisms have evolved various mechanisms for obtaining oxygen, depending on their size, shape, and habitat. Larger organisms require specialized respiratory systems due to the increased diffusion distance and the decreased ratio of surface area to volume that comes with a larger body size.

Humans obtain oxygen through their well-developed respiratory system which includes the lungs and respiratory passages. Oxygen is inhaled into the lungs, where it diffuses into the bloodstream and is then transported throughout the body.

Flatworms have a simple body plan that allows for oxygen to be obtained directly through diffusion across their skin, suitable for their small size and flattened shape.

Ferns, being plants, use their leaves to absorb oxygen from the air at night and also produce it during the daytime via photosynthesis. They have pores called stomata that open and close to regulate the intake of carbon dioxide and the release of oxygen.

Answer:

The correct answer would be C. Cellular respiration occurs in both plant and animal cells.

Cellular respiration refers to the set of biochemical reactions involved in harnessing the energy from the nutrients in the food and convert it into more usable form that is, adenosine triphosphate (ATP).

ATP is then used for all the vital processes of the cell such as replication of DNA, transcription, repair et cetera.

It takes place in all the cells of both plants and animals. In both, most of reactions associated with cellular respiration take place in mitochondria.

The answer is Condensation.

Answer:

A

Explanation:

there is no benefits

Answer:

The rate of mutation is faster than that of nuclear DNA.

Explanation:

Molecular clock is a term used to describe the genetic technique that allows the study of evolution at the molecular level, relating the time of divergence between species compared to the molecular differences in DNA sequences or in the composition of proteins.

In this case, the DNA of the mitochondrial and that of the ribosome is more advantageous to be used as a molecular clock. This is because the rate of mutation of these DNAs is much higher than the rate of nuclear DNA. This allows the researcher to identify many polymorphic regions that were generated in an evolutionary process of millions of years. As the mutation rate is constant, the large number of polymorphisms in these DNAs make them the best option as biological clocks

During transcription, RNA polymerase synthesizes RNA complementary to DNA, maintaining sequence with modifications (e.g., T to U substitution).

1. During transcription, the original sequence of DNA is maintained in the newly synthesized RNA strands with certain modifications:

2. RNA polymerase binds to the DNA template and synthesizes a complementary RNA strand, following the rules of base pairing (A-U, G-C).

3. While the overall sequence is maintained, there are some differences:

4. Thymine (T) in DNA is replaced by uracil (U) in RNA.

5. Transcription may not cover the entire DNA sequence; only specific regions (genes) are transcribed into RNA.

6. Additionally, RNA processing, such as splicing and post-transcriptional modifications, can alter the final RNA sequence.

7. Despite these modifications, the essential information encoded in the DNA, such as the sequence of amino acids in a protein, is preserved in the newly synthesized RNA.

8. Therefore, while the exact nucleotide sequence is not identical, the fundamental genetic information is conserved throughout transcription.