Leaf in a plant is at the same level of organization as a heart in an animal.
What is leaf?
- "Like other organs leaf is comprised of three basic tissue systems, including the dermal, vascular, and ground tissue systems."
- Leaf is an organ as it consist different types of tissue.
What do you mean by level of organization?
- "Levels of organization are structures in nature, usually defined by part-whole relationships, with things at higher levels being composed of things at the next lower level."
- There are five levels: cells, tissue, organs, organ systems, and organisms.
What is heart?
- The heart is a pumping organ that is made of cardiac and connective tissue.
"An organ is a collection of tissues that structurally form a functional unit specialized to perform a particular function."
Hence, the correct option is b. leaf.
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