Which of the following is an example of a polygenic trait? a. the flower color of a plant is determined by how three different alleles are paired in the plant. b. a dominant form of a gene determines short ear length in an animal while a recessive form determines long ear length. c. spotted wings on a species of owl form as the result of two alleles that are both expressed equally. d. human height is determined by several genes located on different chromosomes.

1. it would be pink

2. human height is determined by several genes located on different chromosomes

3. A person with AB blood type

4.Hydrangea flower color varies with soil pH

5. Multiple alles for feather color are present in the population

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1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics

step 1: nitrogen fixation- conversion of atmospheric no₂ into forms useful to plants by lightning, bacteria, and cyanobacteria.

step 2: nitrification-process of converting ammonia to nitrite or nitrate.

step 3: assimilation-plant roots absorb new form of nitrogen.

step 4: ammonification-conversion of organic nitrogen to ammonia by bacteria involved in decomposition.

step 5: denitrification-bacteria turns the decomposed matter back into n₂o, which is released into atmosphere; repeat cycle.