Fill in the blanks. CAM plants close stomata when ________ are _______ and __________ is ________.
a) temperatures, low, humidity, low
b) temperatures, high, humidity, low
c) temperatures, high, humidity, high
d) temperatures, constant, humidity, high
e) temperatures, low, humidity, high
Ans: b) temperatures, high, humidity, low
You might also like to view...
The structural genes of the lactose operon are: (Select all correct choices)
A. always expressed unless the operon is turned off by a repressor. B. turned on in the presence of lactose. C. turned off by the presence of lactose.
During extended periods of dehydration, tardigrades ____
a. enter suspended animation b. migrate to the soil subsurface c. enter small ponds and lakes d. climb inside a plant leaf and form cysts
e. replace the water in their cells with saltWhich of the following statements is false?
a. The gametophytes of the ferns are free-living. b. The ferns are the largest and most diverse group of seedless, vascular plants. c. All the ferns and related primitive vascular plants have haploid sporophytes. d. Most ferns are tropical. e. Many of the ferns and their relatives have underground stems called rhizomes.
Refer to the accompanying figure. The type of neuron labeled as 1 is a(n):
a. motor neuron. b. pyramidal neuron. c. sensory neuron. d. efferent neuron. e. interneuron.