Q: What do you call a structure composed of two or more types of tissues that work together to do a specific task?


Read this paragraph and choose the correct option from the provided answers:

An organ is a structure composed of two or more types of tissues that work together to do a specific task. Most modern plants have several organs that help them survive and reproduce in a variety of habitats. Major organs of most plants include roots, stems, and leaves. These and other plant organs generally contain all three major tissue types.

 Choices:

- cell

- marrow

- system

- organ


A:
organ