Podcast
Questions and Answers
Which of the following is not a type of human tissue?
Which of the following is not a type of human tissue?
- Epithelial
- Muscle
- Digestive (correct)
- Nervous
An organ can consist of just one type of tissue working alone.
An organ can consist of just one type of tissue working alone.
False (B)
What is the term for a group of organisms of the same species living in the same area?
What is the term for a group of organisms of the same species living in the same area?
Population
The _____ is the part of the planet that contains living organisms and includes land, water, and air.
The _____ is the part of the planet that contains living organisms and includes land, water, and air.
Match the levels of biological organization with their definitions:
Match the levels of biological organization with their definitions:
Flashcards
What is a cell?
What is a cell?
The most basic unit of life, capable of carrying out all essential life functions.
What is a tissue?
What is a tissue?
A group of similar cells working together to perform a specific function.
What is an organ?
What is an organ?
A structure composed of different tissues working together to perform a complex function.
What is an organ system?
What is an organ system?
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What is an organism?
What is an organism?
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Study Notes
Levels of Biological Organization
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Cells: Cells are the basic building blocks of structure and function in all living things, including humans. Each cell performs essential life processes, enabling survival.
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Tissues: Tissues are groups of similar cells working together. Four main tissue types exist in humans: epithelial, muscle, nervous, and connective.
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Organs: Organs are structures composed of two or more tissue types, working together to achieve a shared function. Examples include the brain, heart, lungs, skin, and kidneys.
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Organ Systems: Organ systems are groups of organs that work together to carry out complex functions within the body, with each organ playing a role in the system's overall job.
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Organism: An organism is an individual living entity capable of growth, metabolism of nutrients, and reproduction.
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Population: A population comprises organisms of the same species inhabiting a shared area and interacting with each other.
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Community: A community is all the populations of different species coexisting in a specific area, interacting with one another. It includes all biotic factors in an area.
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Ecosystem: An ecosystem incorporates the biotic (living) organisms and their abiotic (non-living) environment in a particular area.
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Biosphere: The biosphere encompasses all living organisms and their interactions on Earth, including portions of the oceans and atmosphere.
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