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vodka [1.7K]
4 years ago
14

Please help me with this quiz

Biology
1 answer:
son4ous [18]4 years ago
6 0

Lindsey carefully excavated an area of sedimentary rock, looking for tiny fossils.  

Which location probably held the oldest fossil?Explanation:

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Which is an example of genetic diversity within a rain forest? Question 15 options: all of the genes found within the ecosystem
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Answer:

Option A, all of the genes found within the ecosystem

Explanation:

Genetic diversity is very essential to maintain the health of the population of any species. It includes all forms of alleles with in a specific species to ensure variability. Variability is essential to allow evolution of species through mating where species with more desirable genes mate to produce healthy offspring. Sub groups with in a species can also varying set of genes thereby making a gene pool.

Hence, option A is correct

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4 years ago
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Answer:  Chlorophyll

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Chloroplasts contribute to the cell by housing the photosensitive pigment chlorophyll which is able to facilitate the conversion of light energy to chemical energy.

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3 years ago
Explain what happens when hypothermia sets in (when enzymes get too cold!)
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The shape of an enzyme also depends on its temperature. When enzymes get too warm, they get too loose. And when they get too cold, then they get too tight. <u> Since the function of this enzyme depends on its temperature, the chemical reaction will only take place when the temperature is just right.</u>

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3 years ago
The long plateau phase of the cardiac muscle action potential is due to Group of answer choices increased membrane permeability
Marizza181 [45]

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The plateau is caused by the movement of fewer sodium ions across the cell membrane.

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The long plateau phase is due to the movement of calcium across the membrane.

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