What are some limitations of the scientific method and science?

Biology

1 answer:

dsp733 years ago

7 0

Answer:

Constrained by the extent of existing knowledge - Developing a hypothesis and designing an experiment is based on current human knowledge. Design of experiment is limited to observation method and instrument - e.g. discovery of viruses depended on the discovery of the electron microscope. Human error - e.g. mistakes can occur in recording observations or inaccurate use of measuring instrument. Deliberately falsifying results - i.e. scientific fraud. Bias - prior confidence in the hypothesis being true/false can affect accuracy of observation and interpretation of results.

Explanation:

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What organelles help the nucleus do its job?

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Endoplasmic Reticulum. -- Transport System. Golgi Apparatus -- Delivery System. Lysosomes - Intracellular Digestion Centers. Ribosomes - Sites of Protein Synthesis. ENERGY RELATED ORGANELLES. Cytoskeleton - Support System. Related to Movement.

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Factor that changes as a result of changes in other variables

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Answer:

dependent variables 2.independent variable .

Explanation:

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The leaves at the top of a tree’s canopy are exposed to direct sunlight during the day, and their phytochromes will occur in a h

olya-2409 [2.1K]

Answer:

Explanation:

1)Pfr/Pr

2) Pr

3)far-red

Explanation:

The leaves at the top of a tree’s canopy are exposed to direct sunlight during the day, and their phytochromes will occur in a high *Pfr/Pr* ratio. Meanwhile, the leaves of the same tree at the bottom of the canopy are highly shaded during the day and will likely have a higher proportion of the * ( PHYTOCHROME )Pr *;form of phytochrome present due to exposure to a higher proportion of *FAR RED * light.

Plants make use of the phytochrome system to it's adjust growth based on the seasons. Through phytochrome plants is able to respond to the timing and duration of dark and light periods. At dawn, all the phytochrome molecules present in the leaved are converted to the active Pfr form until sunset this is because the sun is unfiltered, and unfiltered sunlight has high percentage of red light, but lower far-red light, with the help of phytochrome system , the plants is able to compare the length of dark periods over several days.

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2.Which of the following is NOT an example of symbiosis? A. red blood cells containing malaria. B. vines using a tree for suppor

omeli [17]

Answer:

A. red blood cells containing malaria

Explanation:

Malaria is a disease-causing pathogen in humans. It is caused by species of the parasite Plasmodium sp., which is transmitted as sporozoites by the Anopheles mosquito upon biting the host. These travel through the bloodstream to the liver where they mature into merozoites. These reenter the bloodstream and mature into trophozoites and schizonts that produce more merozoites.

When they multiply within the red blood cell, they burst the red blood cell open, and go on to infect other cells. This infection's symptoms are cyclic and include high fever, chills and other flu-like symptoms.

Malaria is a deadly illness, causing harm to its hosts, and in many cases death. Thus, this cannot be defined as symbiosis, which is typically beneficial to both organisms.

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Answer:

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