What type of symbiosis is a tapeworm, which feeds directly off of the food consumed by a fauna, an example of?
A. mutual
B. commensal
C. parasitic
D. hygrophytic
E. physiological
C
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Mining rare earth elements, 90% of which are extracted and processed in China,
A) results in the release of sediment and sand into streams, compromising aquatic habitats. B) produces acidity, radioactive elements and other hazardous wastes stored in holding ponds. C) has a relatively low impact on the environment and human health. D) is now regulated by international treaties that prevent toxic materials from entering water and air.
Compare the doctrine of catastrophism with the doctrine of uniformitarianism
What will be an ideal response?
What determines the amount of solar radiation that strikes Earth's surface? What is the role of solar energy in creating seasons?
What will be an ideal response?
What type of adaptation describes an animal’s travel in search of relief from drought?
A. hydrologic B. reproductive C. physiological D. behavioral E. climatic