Which is the best brief description of the vascular system of the very first terrestrial plants?
a. The first plants developed specialized vessel cells that conducted water.
b. The first plants did not develop a vascular system and did not transport water through the plant.
c. The first plants had a very basic vascular system with a simple method of internal transport.
d. The first plants had only long, needle-like leaves, from which water could evaporate easily.
e. The first plants did not develop a vascular system and transported water through the plant by diffusion from cell to cell.
Answer: e. The first plants did not develop a vascular system and transported water through the plant by diffusion from cell to cell.
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Human disease(s) from milk may include
A. brucellosis. B. anthrax. C. amoebiasis. D. tuberculosis. E. brucellosis AND tuberculosis
In which of the following ways does the fly
kill a fire ant?
a. A female fly lays an egg in the ant's soft tissues, and in the process of development, the resulting larvae kills the ant. b. A fly (male or female) injects a poisonous substance in the ant which results in paralyzing its muscles. c. A fly (male or female) injects a substance that sterilizes the ant. d. A fly (male or female) causes the ant's death by depriving it from its necessary resources and habitat. e. A fly (male or female) injects a substance that sterilizes the ant and paralyzes its muscles
To break down a glucose molecule completely,
how many "turns" of the Krebs cycle are required?
a. 2 b. 3 c. 4 d. 6 e. 12
what scientist proved biogenesis and helped develop the Germ Theory of Disease as well as a process to help extend the shelf life of beer and wine (now known more for milk)
What will be an ideal response?