Brood parasites ensure their reproductive success by the following mechanisms EXCEPT ____.
A. producing eggs closely resembling that of the host
B. producing a large number of eggs
C. producing young that give off smells and sounds similar to those of the host
D. making their host vulnerable to predation
E. utilizing the host parental care mechanisms
Answer: D
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Which of the following statements is true of filtration by the kidneys?
a. About 25% of the plasma passing through the glomerulus becomes part of the glomerular filtrate. b. Solutes dissolved in the plasma, such as glucose, amino acids, and various salts, become part of the filtrate. c. The normal glomerular filtration rate adds up to about 80 L every 24 hours. d. Approximately 75% of the filtrate is reabsorbed into the blood through the renal tubules. e. The filtration membrane prevents the passage of cells, but allows large molecules to pass through.
What are the two clades of the protostomes?
a. Eumetazoa and Metazoa b. Protostomia and Bilateria c. Bilateria and Deutersostomia d. Lophotrochozoa and Ecdysozoa e. Lophotrochozoa and Deutrerostomia
In order for a community to reach the status of climax community, succession must always begin with pioneer species.
Answer the following statement true (T) or false (F)
What are the sizes of two subunits used to compose prokaryotic ribosomes?
a) 20S + 50S b) 30S + 40S c) 30S + 50S d) 40S + 60S