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Salsk061 [2.6K]
3 years ago
6

Which example describes an abiotic factor that could impact the diversity of an ecosystem? A. An increase in the amount of acid

rain can change the pH of soil in an ecosystem or B. The competition for food can impact the survival rate between members of the same species in an ecosystem
Biology
1 answer:
Mumz [18]3 years ago
7 0

A. An increase in the amount of acid rain can change the pH of soil in an ecosystem.

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A pea plant with purple flowers (and unknown genotype) is crossed with a pea plant with white flowers. one-half of the offspring
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The genotypes of the parents are Aa (heterozygous) and aa (recessive homozygous).  
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In this case, white flower is recessive phenotype with aa genotype.
If we cross Aa x aa
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Describe how you can tell if something is alive
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If it breathes and eats.
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3 years ago
Phil observes that when he turns on a flashlight, chemical energy from the batteries is transformed into light energy. Phil trie
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Answer:

A. a lamp being turned on

B. a toaster being used to toast bread

D. a car horn honking

Explanation:

Energy transformation is the conversion of one form of energy to another form in accordance with the law of conservation of energy. According to this question, Phil is observing a flashlight, which turns chemical energy (batteries) into light energy.

From the examples given in this question, the following are examples of scenarios that involve energy transformation:

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- A toaster being used to toast bread: This converts electrical energy to heat energy.

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Note that, melting of a chocolate does not transform any form of energy.

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