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.

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What is labored or difficult breathing called?

A) hyperpnea B) eupnea C) hypopnea D) dyspnea E) apnea

Biology & Microbiology