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kumpel [21]
3 years ago
13

What is a good way to study experimental subjects in their natural environment

Biology
1 answer:
Daniel [21]3 years ago
8 0

<u>Answer</u>: There are numerous factors that influence the behavior and physiology of an individual animal/plant etc. By doing the study in their natural environment, you remove any possible bias caused by this.

Furthermore, an individual's behavior will differ in an artificial experimental setup compared to that observed in a natural setting. When possible, studying the subject in its natural environment is the best experimental method.

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All of the following auxiliary labels should be placed on the bottles of oxodone except:
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The fertilization of ovules from Plant Q by pollen from Plant R results in the production of seeds. What percent of the genes in
blagie [28]

Answer:

The correct answer is - option A. 0%

Explanation:

The zygote formation or fertilization in flowering plants occurs by the fusion of pollen of one plant with the ovum of another plant of the same species normally. This process includes the exchange of an equal amount of the genetic contribution from both plants.

The egg cell of the mother is responsible for the mitochondria and chloroplast of the progeny so the percentage of chloroplast genes provided via Plant R is 0% as ovum and egg cell comes from only plant Q.

percentage of chloroplast gene inherited from R plant is a)0%

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3 years ago
How does mutation relate to variation
Anastasy [175]

Answer:

Mutation is the source for new genetic variation: Genetic variation is brought about by random mutation. Without mutation, genetic variation cannot occur. Mutation is a change in the genetic code in DNA and can lead to a change in the protein that is coded for that segment of DNA.

Explanation:

Mutations are changes to an organism's DNA and are an important driver of diversity in populations. Species evolve because of the accumulation of mutations that occur over time. ... This mutation has introduce a new allele into the population that increases genetic variation and may be passed on to the next generation.

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3 years ago
Since viruses are typically 20-200 nm in diameter, the ____ microscope is best for viewing them.
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What similarities, if any, do you think exist between a human’s reproductive cycle and the life cycle of a fern? What difference
ipn [44]

Answer:

Plant Reproduction and Life Cycle. The life cycle of a plant is very different from the life cycle of an animal. Humans are made entirely of diploid cells (cells with two sets of chromosomes, referred to as ''2n''). ... Plants, however, can live when they are at the stage of having haploid cells or diploid cells.

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In an animal life cycle, male and female parents each create sex cells (sperm and eggs) that unite to form a fertilized egg and develop into an offspring organism. Plants, likewise, have sperm and eggs in their life cycles, but these are produced by an intermediate stage between the adult and the offspring.

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