Exam II Review

 

LEARNING OBJECTIVES: Ch 19

á          Discuss the length of time bacteria were the dominant organisms living on earth.

á          Age of universe and solar system.

á          Difference between early earthÕs and present day atmosphere as pertains to oxygen and ozone layer.

á          Briefly describe the various theories of the evolution of primitive cells from abiotic materials.

á          Describe the structure of a bacterial cell.

á          Differentiate between gram-positive and gram-negative bacteria.

á          Know how prokaryotes differ from eukaryotes.

á          List the major types of metabolism.

á          Discuss the ecological, environmental and medical importance of the prokaryotes.

á          Describe the differences between the two major groups of prokaryotes.

á          Explain what a virus is and how it replicates.

á          Explain the difference between the lytic and lysogenic cycles

á          Discuss how bacteriophages and viruses invade living cells.

á          Explain how HIV gains entry into cells of the human immune system.

á          List a few of the important disease-causing bacteria and viruses.

 

LEARNING OBJECTIVES: Ch 20

á          Describe the origin of the nucleus and endoplasmic reticulum

á          Describe the evidence that supports the theory that mitochondria originated as symbiotic aerobic bacteria and the chloroplasts originated as photosynthetic bacteria in endosymbiotic events.

á          Understand why sex evolved and discuss its importance in maintaining genetic diversity.

á          Briefly describe asexual reproduction, parthenogenses, self-fertilization and cross-fertilization and how each of these contributed to genetic diversity.

á          Describe the major features of protists.

á          List the five major categories of protists and give examples of organisms within each group as described in lecture.

 

LEARNING OBJECTIVES: Ch 21

á          Briefly describe the characteristics and nutrition modes of fungi.

á          Describe the body arrangement of a fungus.

á          Know how fungi derive nutrients by external digestion.

á          Describe the ecological, medical and commercial importance of fungi.

 

LEARNING OBJECTIVES: Ch 22

á          Recognize which group of algae gave rise to land plants and the nature of the problems this group had to overcome to live on land.

á          List the adaptations that evolved in groups of land plants to conserve water and to enable reproduction on land.

á          Know the characteristics of the Kingdom Plantae.

á          Know the characteristics listed in the lecture outline for the mosses, ferns, gymnosperms and angiosperms.

á          Explain the evolutionary advances of vascular systems, pollen and seeds as they applied to mosses, ferns, gymnosperms and angiosperms.

á          Explain why mosses are limited to such a small size.

á          Discuss the advantages and adaptations of seeds.

á          Discuss how angiosperms that coevolved with animal pollinators have an advantage over wind-pollinated angiosperms.

á          Explain the adaptive significance of fruits.

 

LEARNING OBJECTIVES: Ch 25

á          Describe the characteristics of animals that differentiate them from the other kingdoms of organisms.

á          Name the organism thought to be ancestral to the animals. Describe the steps that occurred in this process.

 

LEARNING OBJECTIVES: Ch 26

á          Be able to characterize chordates and vertebrates.

á          Know the characteristics of each of the orders covered.

á          List the problems vertebrates had to overcome to be able to live on land and explain what evolutionary adaptations evolved to overcome these problems.

á          Explain the evolutionary advantage of the amniotic egg.

á          Describe when and from what group birds evolved, and list their unique traits.

á          Discuss the characteristics of the major groups of mammals.

á          Describe the adaptations that support endothermy in mammals and birds.

á          Explain the advantages and disadvantages of ectothermy vs. endothermy.

 

LEARNING OBJECTIVES: Ch 27

á          Describe the group that gave rise to the primates.

á          List characteristics of the primates.

á          Identify differences between New World monkeys and Old World monkeys.

á          Characterize the living apes, and identify which one is the closest living relative to humans.

á          Discuss the structural changes to the skeletal system to accommodate bipedalism.

á          Discuss the evolutionary changes to the hominid skull.

á          Explain the gradual increase in skull/brain size.

á          Differentiate between Australopithecus and Homo.

á          Know the characteristics or signifigance of the hominid species in bold type in the lecture outline.  Watch for bold links like Homo floresiensis.

á          Be able to explain the difference between the 2 hypotheses on the migration of Homo erectus from Africa.