They are part of the stomatal can be found in the skin of the leaf and stem. Guard cells have characteristic shapes can be bean-shaped or like sponge cake. They have thickened cell walls contain living protoplasm of chloroplasts (as opposed to skin cells)
The Earth is 92.96 million miles away from the sun :)
Is there multiple choice answer to the question?
Extremely productive, Whittaker was a leading proponent and developer of gradient analysis<span> to address questions in plant </span>community ecology<span>. He provided strong </span>empirical evidence<span> against some ideas of vegetation development advocated by </span>Frederic Clements<span>. Whittaker was most active in the areas of plant </span>community<span> analysis, </span>succession<span>, and </span>productivity. "During his lifetime Whittaker was a major innovator of methodologies of community analysis and a leader in marshaling field data to document patterns in the composition, productivity and diversity of land plant communities."[1]<span> Thus Whittaker was innovative in both empirical data sampling techniques as well as synthesizing more holistic theories.</span>
Answer: too make you have more and more screen time.
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