Question

a group of similar cells carrying out the same function
atom
biosphere
cell
community
ecosystem
macromolecule
molecule
organ
organelle
organ system
organism
population
tissue

Explanation:

This question asks for the biological term defined as a group of similar cells performing the same function. Analyzing the options:

• Atom, molecule, macromolecule: These are non-cellular, chemical-level structures.
• Cell: A single functional unit, not a group of cells.
• Organelle: A specialized structure inside a cell.
• Tissue: Matches the definition of similar cells working together for a shared function.
• Organ: A structure made of multiple tissues.
• Organ system: A group of organs working together.
• Organism: A complete living being.
• Population, community, ecosystem, biosphere: These are ecological levels of organization, not cellular groups.

Answer:

tissue