Choose the Correct Answer from the List Below

question 27

Multiple Choice

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: This electron carrier of photosystem I is an iron-sulfur protein.

• A)960 nm
• B)magnesium
• C)ATP synthase
• D)chloroplasts
• E)thylakoids
• F)copper
• G)β-carotene
• H)680 nm
• I)FAD
• J)chlorophyll a
• K)ferredoxin b
• L)resonance energy transfer

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Definitions:

Keystone Species

A species that has a disproportionately large effect on its natural environment relative to its abundance, often influencing the structure and biodiversity of the ecosystem.

Range of Tolerance

is the breadth of environmental conditions (temperature, humidity, light, etc.) within which a particular species can survive and reproduce.

Niche

In ecology, a role or position that an organism or species has in its environment, including how it obtains its food, how it interacts with other organisms, and its contribution to the ecosystem.

Biodiversity

Refers to the wide range of plants, animals, and microorganisms existing within different ecosystems, essential for ecological balance and resilience.