The kidneys of the ________ are so efficient it never has to drink water.
A. turtle
B. camel
C. frog
D. kangaroo rat
E. kangaroo
Answer: D
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Eukaryotic chromosomes are composed of a complex of 60% protein and 40% DNA. This complex is referred to as:
A. The histone complex B. Chromatin C. The kinetochore D. Cohesin
The vesicles that initiate formation of a cell plate in plant cells are formed from plasma membrane and ________
a. rough endoplasmic reticulum b. smooth endoplasmic reticulum c. Golgi body d. lysosomes
Carbon moves from living organisms to an abiotic reservoir during the process of _______
Fill in the blank(s) with the appropriate word(s).
Which of the following statements regarding ferns is true?
A) Ferns are most diverse in grassland environments. B) Ferns have well-developed roots and rigid stems. C) Ferns produce seeds that are dispersed by water. D) Ferns produce pollen that is dispersed by air.