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Temka [501]
3 years ago
13

Subjects in an experiment for an herbal cold medicine either receive a tea made from the​ herb, or a placebo tea. Their doctor a

lso​ doesn't know which tea was distributed to which subject. This experiment is​ ____________.
Biology
1 answer:
Fed [463]3 years ago
3 0

Answer:

A double blind experiment

Explanation:

A double-blind experiment refers to an experiment in which the information about the treatment of the studied variable is provided to neither the researcher nor the participant. In this type of experiment, both the participant and the experimenter are unaware that which participant has got the experimental treatment.

This test is used by the drug researcher in which the placebo treatment along with experimental treatment is provided.  This experiment is performed to ensure that the results are unbiased and the chances of errors and prediction get reduced.

Thus, A double-blind experiment is correct.

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Why are seeds an evolutionary advantage for seed plants?
Romashka-Z-Leto [24]

The seeds an evolutionary advantage for seed plants because seeds develop into adults without sxual reproduction.

<h3>What is the evolutionary importance of the seed?</h3>

Seeds play an important role in the dispersion of plant species, that is, they ensure that plants spread throughout the environment. In addition to guaranteeing a greater area of ​​domain for the species, competition between the newly born plant and the mother plant is also avoided.

Seeds allow the expansion of a type of plant around the world in addition to being a form of asexual reproduction that makes it unnecessary to join gametes.

See more about seeds at brainly.com/question/15976369

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4 0
1 year ago
The somatic nervous system and the autonomic nervous system together make up the
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Which of the following can cause a communicable disease?:
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the answer is

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