Question

several plants have pores called _on their stems for breathing ​

Answer 1

Answer:

stomata

Explanation:

This evolutionary innovation is so central to plant identity that nearly all land plants use the same pores -- called stomata -- to take in carbon dioxide and release oxygen. Stomata are tiny, microscopic and critical for photosynthesis. Thousands of them dot on the surface of the plants.

Answer 2

Answer:

Stomata

Explanation:

This evolutionary innovation is so central to plant identity that nearly all land plants use the same pores -- called stomata -- to take in carbon dioxide and release oxygen. Stomata are tiny, microscopic and critical for photosynthesis. Thousands of them dot on the surface of the plants.