Which statement is least consistent with the beliefs of Lamarck?
A. “Fluida” moves into areas of the body in need of change.
B. Acquired characteristics are inherited.
C. Giraffes’ necks have become longer in response to stretching.
D. Environmental pressures bring about changes in organisms.
E. Changes in an individual are not passed to its offspring.
Answer: E
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Food and water are considered disease vehicles
Indicate whether the statement is true or false.
The root-to-shoot water flow in a plant is called the transpiration stream
a. True b. False
How can a phylogenetic tree be used to make predictions?
A) Future branching patterns and adaptations can be predicted from current trends of evolution. B) Features shared between two groups are likely to have been present in their common ancestor. C) Features found in one clade are unlikely to be found in closely related clades. D) Analogous characteristics can predict the evolutionary relationships among groups.
Answer the following questions true (T) or false (F)
1. Different cell layers may have different cell adhesion molecules. 2. Menopause and puberty are both examples of developmental changes. 3. Normally, anywhere from one to four sperm fertilize the egg.