Scientists often depict their understanding of an organism's evolutionary ancestry in diagrams called ________
A) phylogenetic trees
B) taxonomic trees
C) classification trees
D) hierarchical trees
E) ancestral trees
A
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How does "space weather" affect you?
A. It causes electrical surges that can disrupt power systems. B. It causes the Earth's magnetic field to form and permits navigation. C. It causes moving air and clouds on Earth that causes weather systems.
A thin film of water between individual soil grains acts to ________ the surface tension and ________ the shear strength.
A. decrease; increase B. decrease; decrease C. increase; increase D. increase; decrease
Which of the following minerals does not form as a result of magmatic segregation?
A) Beryl B) Quartz C) Feldspar D) Calcite
The study of ancient climates is called paleoclimatology.
Answer the following statement true (T) or false (F)