Out of total organisms on earth, _____________are vascular plants?
Correct answer: C. 17.60%
- A. 53.10%
- B. 19.90%
- C. 17.60%
- D. 9.40%Preparing For College Admissions Tests
Explanation
Vascular plants are commonly given as about 17.6% of the total organisms in the classification used by this question. Students may choose 19.90% because it is a nearby percentage, but it does not match the stated biological classification statistic.
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Animal and plant cells share a plasma membrane, cytoplasm, nucleus, ribosomes, mitochondria and endoplasmic reticulum, but plant cells also have a cellulose cell wall, chloroplasts and a large permanent vacuole. Questions cover organelle structure and function, differences between the two cell types, and how membranes control movement of substances.
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