What helps maintain a constant flow of water through sponges?
a. the beating flagellae of porocytes
b. the beating flagellae of amoeboid cells
c. the beating flagellae of choanocytes
d. the beating flagellae of pinacoderm
Ans: c. the beating flagellae of choanocytes
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Which of the following would be considered to be a symplesiomorphy of mosses, ferns, conifers, and flowering plants?
Given the following list of characteristics:
A. Chlorophylls a & b.
B. Vascular tissue.
C. Seeds.
D. Flowers.
E. Both flowers and vascular tissue.
Answer the following statements true (T) or false (F)
1. Rosalind Franklin did not share in the Nobel Prize for determining the structure of DNA, although her work was critical to it, because she had died, and it is only awarded to living people. 2.Next-generation sequencing reads millions of sequences at once, and so the general approach is also called "massively parallel DNA sequencing." 3. The "methylome" is the collection of all the methylated sites in the genome. 4. Allelic disorders may result from mutations in different parts of the same gene.
Bacteria are abundant and useful decomposers. What are fungal decomposers able to do better than bacteria?
What will be an ideal response?
An Acacia seedling grown in shade (50% full sun) is expected to have a ________ net assimilation rate (NAR) and a ________ leaf area ratio (LAR) than an Acacia seedling grown in full sun
A) higher; higher B) lower; lower C) lower; higher D) higher; lower