Exam 9: Living Things

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In a paragraph, describe how the difference between sexual and asexual reproduction is significant with regard to flowering plants.

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Sexual reproduction in a plant is described as follows:
• The sperm and egg nucleus unite in the process known as pollination
• Pollen grains are carried to the stigma and produce a tube that grows downward to the ovary, or enlarged bottom part of the pistil
• The sperm nucleus travels down the tube and unites with egg cells in the ovary to eventually produce seeds
Asexual reproduction in a plant is described as follows:
• Parts of plants - such as leaves, stems, and roots - are used to produce new plants
• Examples include "cuttings" (containing a stem with leaves), bulbs (which have large, food-storing, underground stems), and plant pieces that contain buds or "eyes"

Describe in a paragraph the significant differences between birds and mammals.

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The differences are as follows:
• Birds have feathers covering their bodies, mammals have hair
• Birds have beaks to cut up their food (or they swallow it whole), mammals have teeth
• All birds lay eggs with hard shells, some mammals lay eggs but they have soft shells and most give birth to their young
• Birds feed their young with the food they eat, mammals feed their young milk

In which of the following arenas does the greatest amount of debate concerning climate change take place?

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D

Which of the following careers could be most closely associated with this chapter?

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Plants and animals are both types of living things. They share some similarities but they are also different in many ways. In a paragraph, discuss at least five differences between plants and animals.

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Birds and mammals are, of course, both groups of animals. Describe in a paragraph the significant similarities between these two groups of animals.

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Which of the following provides a definition of homeostasis?

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Which of the following is not a result of natural selection?

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Which of the following is a characteristic of Fungi?

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Which of the following is the best description of a flower's pistil?

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In at least three sentences, explain how evidence for evolution is found in fossil records.

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In this chapter, a six-kingdom classification system for life on Earth was provided. Identify each kingdom, and list the general characteristics of its members.

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Considering just the classification system presented in this chapter, into which of the Kingdoms would you place moss?

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Which of the following would not be classified as a mammal?

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Which of the following organelles found in cells is considered to be the packing material of the cell?

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For each of the six kingdoms you listed in question 1, name at least one organism from each.

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This chapter explores the difference between living and nonliving things. In at least three sentences, describe what distinguishes living things from nonliving things.

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Which of the following is a characteristic of a plant?

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In a paragraph, describe the different theories regarding the extinction of dinosaurs that are presented in the chapter.

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