Which of the following is NOT an adaptation of plants to a terrestrial environment?
A. a cuticle to prevent water loss from exposed parts of the plant
B. a dominant sporophyte with vascular tissue
C. the evolution of photosynthesis in order to supply the energy necessary to live on land
D. stomata to regulate gas exchange with the atmosphere
Answer: C
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Which of the following are NOT seed-bearing
plants? a. cycads b. ferns c. ginkgos d. angiosperms e. conifers
In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts?
a. brain b. kidney c. liver d. heart e. spleen
The rate of carbon uptake increases only when plants allocate carbon to the production of
A) roots. B) fruits. C) leaves and stems. D) flowers.
When plants of a particular species are growing too close to each other, crowding may eventually lead to mortality, known as self-thinning. This type of mortality is:
a. density dependent. b. density independent. c. exponential.