Answer the following question given this paragraph: The earliest placental mammals may have evolved about 110 million years ago. The ancestor of placental mammals may be the extinct genus Eomaia . Fossils of Eomaia have been found in what is now China. It was only about 10 centimeters (4 inches) long. It was a tree climber and probably ate insects and worms. Eomaia had several traits of placental mammals. Figure below shows how Eomaia may have looked. Q: What may be the ancestor of placental mammals? Choices: - fungi - spirogyra - amphibians - eomaia A:
eomaia
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Answer the following question given this paragraph: Lots of volcanoes form along subduction plate boundaries. The edges of the Pacific Plate are a long subduction boundary. Lines of volcanoes can form at subduction zones on oceanic or continental crust. Japan is an example of a volcanic arc on oceanic crust. The Cascade Range and Andes Mountains are volcanic arcs on continental crust. Q: Lots of volcanoes form along which boundaries? Choices: - deposit plate bounderies - basalt plate boundaries - geyser plate boundaries - subduction plate boundaries A:
subduction plate boundaries
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Answer the following question given this paragraph: Consumers are also called heterotrophs. There are several different types of heterotrophs depending on exactly what they consume. They may be herbivores, carnivores, or omnivores. Q: Heterotrophs is another name for what group? Choices: - omnivores - autotrophs - producers - consumers A:
consumers
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Answer the following question given this paragraph: Plasmodesmata are gaps between plant cells, connecting the cytoplasms of plant cells. Q: What do plasmodesmata connect to in the plant cell? Choices: - nuclei - sporozoans - pores - cytoplasms A:
cytoplasms
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