BIO EOC REVIEw

What is the primary role of heterotrophs in the Carbon Cycle?

• They produce CO2 through photosynthesis.

• They consume plants and release CO2 through respiration.

• They convert sunlight into chemical energy.

• They fix nitrogen into the soil.

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Which of the following best describes the 10% Rule in ecology?

• 10% of an ecosystem's plants are consumed by herbivores.

• Only 10% of the sunlight is captured by producers.

• 90% of the energy is lost to the environment, only 10% is transferred to the next trophic level.

• 10% of water in an ecosystem is used by animals.

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What is the significance of primary succession in an ecosystem?

• It begins with the establishment of a mature community.

• It starts with a pioneer species such as lichen and leads to soil formation.

• It involves rapid changes and ends with the introduction of animals.

• It starts and ends with the same species without any change.

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Which type of interaction is described by mutualism?

• Both organisms are harmed.

• One organism benefits and the other is unaffected.

• Both organisms benefit.

• One organism benefits at the expense of the other.

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What does the term "Ecology" specifically study?

• The history of natural environments.

• Interactions between organisms and their environment.

• Genetic variations within populations.

• The life cycles of individual organisms.

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What does the term "Genetic Drift" refer to in biology?

• The movement of genes into or out of a population over time

• The physical or chemical agent that causes a mutation

• The process by which genetic information is copied into RNA

• The study of how closely related something is

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Which of the following best describes "Vestigial Structure"?

• Structures with little or no function to the organism

• Structures resulting from common ancestry

• Structures involved in the breeding for specific traits

• Structures that code for a particular protein

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What is the role of a "Mutagen" in genetic processes?

• It is a type of RNA that transfers amino acids to ribosomes

• It is a physical or chemical agent that causes a mutation

• It is a sequence of three base pairs on a strand of DNA or mRNA

• It is a specific location on a chromosome that codes for a protein

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Which statement accurately defines "Phylogeny"?

• The study of heredity and genetic information

• The study of structures with little or no function

• The study of how closely related something is

• The study of gene flow in populations

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What is "Codominance" in genetics?

• A trait that can be passed from one parent to offspring

• Offspring is a mixture of the parent's characteristics

• Offspring contains BOTH parent's characteristics distinctly

• A specific region on a chromosome that codes for a protein