Modern cladists feel which of these organisms is different enough from the others that they should be placed in a different group?
A. snake
B. lizards
C. crocodiles
D. all of the choices should be placed in the same group or taxon.
Ans: C. crocodiles
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Phosphorus has an atomic number of 15, so what is the distribution of its electrons?
A) The first energy level has 2, the second has 8, and the third has 5. B) The first energy level has 2 and the second has 13. C) The first energy level has 8 and the second has 7. D) The first, second, and third energy levels have 5 electrons each. E) The electron arrangement cannot be determined from the atomic number alone.
Describe how neutral, alkaline, and acidic solutions differ from each other.
What will be an ideal response?
Answer questions 67–71 in reference to the four groups of fungi
listed below. a. Zygomycetes b. Ascomycetes c. Basidiomycetes d. Glomeromycetes M 67. The common mushroom bought in the average supermarket is most likely a member of this group. D 68. Penicillium, the source of antibiotics, is a member of this group. M 69. The yeast used in the fermentation of grape juice to produce the wines of the world is a member of this group. D 70. The common black bread mold is a member of this group. M 71. The delicious, highly-prized truffle is a member of this group.
Proteins are the intermediary between a(n) ____________________ and a(n) ____________________. Fill in the blank(s) with the appropriate word(s)