Q: The marsupial embryo is nourished inside the uterus with food from a yolk sac instead of through a what? Choices: - stomach - ovum - umbilical cord - placenta A:
placenta

Q: What is our main source of aluminum ore? Choices: - coal - cobalt - tin - bauxite A:
bauxite

Q: Q: The posterior half of the foot is formed by seven tarsal bones. the most superior of these bones is called? Choices: - metatarsal - patella - calcareous - talus A:
A: talus

Question: Q: What is the change of characteristics of living things over time? Choices: - spontaneous mutation - adaptation - generation - evolution A:
Answer: evolution

*Question*
Q: How many types of surface waves are there? Choices: - over a hundred - three - six - two A:
**Answer**
two

(Question)
Q: What is the technical term for species that produce their own body heat and regulate their internal temperature independently of the outside temperature? Choices: - hydrostatic - Phototrophic - osmotic - endothermic A:
(Answer)
endothermic