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sineoko [7]
3 years ago
7

which statement best describes the relationship between a dependent variable and an independent variable in a scientific investi

gation
Biology
1 answer:
maria [59]3 years ago
6 0
An independent variable is the one that you change and the dependent variable that changes when he independent variable changes.
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Sort the examples into proper mechanisms of reproductive isolation.
vovangra [49]
The mechanisms of reproductive isolation prevent the reproduction of two individuals from different species. The prezygotic mechanisms disrupt the stages of reproduction before the forming of the zygote or prevent the mating at the start, and the postzygotic mechanisms affect the stages of reproduction after the forming of the zygote.
So, the first and the third example (the urchins and the grasshoppers) show the prezygotic mechanism, as the two individuals are not able to mate or form a zygote.
The second and the fourth example ( zonkey and the death of a zygote) show the working of the postzygotic mechanisms, as the zygote is formed, but it seems to be inviable, and the zonkeys are sterile, preventing the individual to reproduce.

8 0
3 years ago
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Explain why meiosis is being discussed in Genetics rather than mitosis?​
ch4aika [34]
Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell. Apart from this reduction in chromosome number, meiosis differs from mitosis in yet another way. Specifically, meiosis creates new combinations of genetic material in each of the four daughter cells.
5 0
2 years ago
Only about ______ of water is fresh and suitable for human use.
Anastaziya [24]
<span>Only about 75% of water is fresh and suitable for human use.

Hope I helped ^_^

Please hit dat "THANKS" button!</span>
5 0
2 years ago
If a cell has the ability to take in water, food molecules, and other necessary materials this indicates it is capable of
Vesna [10]
First it's can not be biosynthesis because it is taking in food molecules means it cannot synthesisi its food Second nutrition is the process to take nutrients Third absorption means to absorb but here cell does phagocytosis and pinocytosis Forth digestion obviously when an organism eats something it have to digest it and it it is its capability.... and so far as I think Digestion should Ben your answer!
4 0
3 years ago
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DNA and ran are examples of​
Kaylis [27]

Examples of Nucleic Acids. Nucleic acids, best-known as DNA and RNA, are often termed "the building blocks of life." These building blocks are found in the nuclei of cells and help proteins to be built, help cells to replicate, govern heredity and the cell's chemical processes.

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