Levels of Biological Organization Explored

The video tutorial explores the different levels of biological organization, starting from the biosphere and moving down to molecules. It introduces reductionism as a method to study complex systems by breaking them down into simpler components. The journey begins with the biosphere, encompassing all life on Earth, and narrows down through ecosystems, populations, organisms, organs, tissues, cells, organelles, and finally molecules. The concept of emergent properties is highlighted, showing how new properties arise at each level of complexity. The tutorial concludes with an introduction to systems biology, which analyzes interactions within biological systems.

What approach is used to study different levels of biological organization by breaking down complex systems?

• Ecology

• Holism

• Reductionism

• Systematics

Tags

NGSS.MS-LS3-1

What does the term 'biosphere' refer to?

• All atmospheric layers

• All land regions on Earth

• All water bodies on Earth

• All life on Earth and all places where life exists

Which of the following is an example of an ecosystem?

• A single tree

• A population of deer

• A group of mushrooms

• The deciduous forests of North America

Tags

NGSS.MS-LS2-3

What term is used to describe all the various organisms inhabiting a particular ecosystem?

• Population

• Community

• Biosphere

• Organism

What is an example of a population in the Indiana forest?

• A variety of plants

• A collection of fungi

• A population of white-tailed deer

• A group of trees

What are organisms?

• Systems of organs

• Collections of tissues

• Individual living things

• Groups of cells

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which of the following is an example of an organ system?

• A single cell

• The heart

• The nervous system

• The stomach

What are tissues composed of?

• Molecules

• Cells

• Organelles

• Atoms

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

What is the fundamental unit of structure and function in life?

• Tissue

• Cell

• Molecule

• Organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

What is an example of an emergent property at the cellular level?

• The structure of tissues

• The organization of organs

• The function of mitochondria

• The composition of molecules

Tags

NGSS.MS-LS1-3