For water transport in vascular plants, the cohesive property of water is most important in the
A) epidermis.
B) xylem.
C) internal air spaces.
D) stomata.
Answer: B
Biology & Microbiology
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Briggs and King demonstrated nuclear transplantation in
A. sheep. B. frogs. C. pigs. D. lizards. E. fish.
Biology & Microbiology
Four of the following statements about lizards are true. Which statement is false?
a. Lizards are a very small component of the present-day reptiles. b. Lizards gave rise to the snakes. c. Some lizards are not predators. d. Lizards have overlapping scales on their bodies. e. All lizards have three-chambered hearts.
Biology & Microbiology
The primate fossil named Lucy was
a. a dryopith. b. an australopith. c. a cercopith. d. a prosimian. e. none of these.
Biology & Microbiology
What is labored or difficult breathing called?
A) hyperpnea B) eupnea C) hypopnea D) dyspnea E) apnea
Biology & Microbiology