Life's Organizational Hierarchy quiz #2 Flashcards
Life's Organizational Hierarchy quiz #2
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What is the hierarchical relationship of the following genetic components: atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and the biosphere?
The hierarchical relationship is as follows: atoms form molecules, molecules form organelles, organelles form cells, cells form tissues, tissues form organs, organs form organ systems, organ systems form organisms, organisms form populations, populations form communities, communities form ecosystems, and ecosystems form the biosphere. Which level of the biosphere includes both living and nonliving factors?
The ecosystem level includes both living (biotic) and nonliving (abiotic) factors. Which of the following is the smallest living unit? A) Organism B) Tissue C) Organ D) Human
A) Organism. Specifically, a unicellular organism is the smallest living unit. The body of which of these organisms has the least specialized organization: single-celled organisms or multicellular organisms?
Single-celled organisms have the least specialized organization compared to multicellular organisms. Which of the following levels of biological organization contains all of the others? A) Organism B) Population C) Community D) Ecosystem
D) Ecosystem. The ecosystem level contains organisms, populations, and communities. What is the correct flow of organization in biological systems from smallest to largest?
The correct flow is: atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere. Which statement describes the organization of living organisms?
Living organisms are organized in a hierarchical manner, starting from atoms and progressing to the biosphere, with each level exhibiting emergent properties. Which of the following lists the levels of an ecosystem in order from largest to smallest? A) Biosphere, Ecosystem, Community, Population, Organism B) Ecosystem, Biosphere, Community, Population, Organism C) Biosphere, Community, Ecosystem, Population, Organism D) Ecosystem, Community, Population, Organism, Biosphere
A) Biosphere, Ecosystem, Community, Population, Organism. Which is the broadest classification level in biological organization?
The biosphere is the broadest classification level, encompassing all ecosystems on Earth that support life. Which of these is the correct sequence from simple to more complex: atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere?
The correct sequence from simple to more complex is: atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere. What is the smallest level in life's organizational hierarchy?
The atom is the smallest level in life's organizational hierarchy. What are organelles and what is their role in cells?
Organelles are specialized structures within cells that perform specific functions necessary for the cell's survival. How do tissues form in multicellular organisms?
Tissues form when groups of the same type of cells work together to perform a specific function. What is an organ system and give an example?
An organ system is a group of organs that work together to perform a major function, such as the cardiovascular system. What constitutes a population in biological organization?
A population consists of all individuals of the same species living together in a specific area. What components make up an ecosystem?
An ecosystem is made up of living communities (biotic) and their nonliving (abiotic) environment. What are emergent properties in biological systems?
Emergent properties are new characteristics that arise when smaller components are combined, which are not present in the individual parts. Why is the whole considered greater than the sum of its parts in biological systems?
Because combining smaller parts in a specific way leads to new properties and functions that the individual parts do not have alone. What is the relationship between tissues and organs?
Organs are composed of multiple tissues working together to perform a specific function. What distinguishes a community from an ecosystem?
A community includes only living organisms of different species, while an ecosystem includes both living organisms and their nonliving environment. How do emergent properties relate to the concept of organization in biology?
Emergent properties illustrate how organization at each hierarchical level leads to new functions and characteristics not found in the individual components. How does the concept of a population help distinguish between different levels of biological organization?
A population focuses on individuals of the same species in an area, distinguishing it from communities (multiple species) and organisms (individuals). How does the combination of atoms ultimately lead to the biosphere?
Atoms combine to form molecules, which build organelles, cells, tissues, organs, organ systems, organisms, populations, communities, and ecosystems, all of which together make up the biosphere.
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