Levels of Organization

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What is formed by a group of cell s and tissues that work together to carry oul a specific function?

Which cell structure is MOST responsible for controlling what materials enter and leave the cell?

Which of these organ systems controls and coordinates most body functions?

Which of these processes of organisms needs carbon dioxide from the atmosphere?

What level of organization is made up of a group of similar cells that perform a specific function?

Which organ system breaks down food into the nutrients cells need?

What fluid fills most of the in side of a cell?

Which cell structure allows a plant to carry out photosynthesis?