instruction:
Given a scientific question, generate a correct answer to it.
question:
The cytoplasm is all the contents of the cell inside the cell membrane, with the exception of what?
answer:
nucleus

question:
What is given off from plants and taken in by animals?
answer:
oxygen

question:
Nonflowering vascular plants have three basic types of leaves: microphylls, fronds, and what other type?
answer:
needles