Which of the following characteristics does not apply to members of the group that includes
hedgehogs?
a. teeth reduced or absent
b. insectivores
c. some are arboreal
d. complex social interactions
e. lay eggs in pouch
D
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What is a tool of population ecology to study populations?
A. iteoparity B. growth ecology C. demography D. exponential growth E. disease ecology
A human’s body is approximately _____ percent water
a. 10 b. 50 c. 65 d. 90
The anterior-posterior direction of a mammal is initially controlled by
a. maternal effect genes b. gap genes c. pair rule genes d. segment polarity genes e. homeotic genes
This is a human hereditary disease that is caused by a dominant allele but does not show up in affected individuals until they are in middle age:
A. sickle cell anemia B. hemophilia C. Tay-Sachs disease D. cystic fibrosis E. Huntington's disease