Category: 2nd Semester

Chapter 47 AP Obj Animal Development

 

 

Chapter 47    Animal Development
Objectives
The Stages of Embryonic Development in Animals
1. Compare the concepts of preformation and epigenesis.
2. List the two functions of fertilization.
3. Describe the acrosomal reaction and explain how it ensures that gametes are conspecific.
4. Describe the cortical reaction.
5. Explain how the fast and slow blocks to polyspermy function sequentially to prevent multiple sperm from fertilizing the egg.
6. Describe the changes that occur in an activated egg and explain the importance of cytoplasmic materials to egg activation.
7. Compare fertilization in a sea urchin and in a mammal.
8. Describe the general process of cleavage.
9. Explain the importance of embryo polarity during cleavage. Compare the characteristics of the animal hemisphere, vegetal hemisphere, and gray crescent in amphibian embryos.
10. Describe the formation of a blastula in sea urchin, amphibian, and bird embryos. Distinguish among meroblastic cleavage, holoblastic cleavage, and the formation of the blastoderm.
11. Describe the product of cleavage in an insect embryo.
12. Describe the process of gastrulation and explain its importance. Explain how this process rearranges the embryo. List adult structures derived from each of the primary germ layers.
13. Compare gastrulation in a sea urchin, a frog, and a chick.
14. Describe the formation of the notochord, neural tube, and somites in a frog.
15. Describe the significance and fate of neural crest cells. Explain why neural crest cells have been called a “fourth germ layer.”
16. List and explain the functions of the extraembryonic membranes in reptile eggs.
17. Describe the events of cleavage in a mammalian embryo. Explain the significance of the inner cell mass.
18. Explain the role of the trophoblast in implantation of a human embryo.
19. Explain the functions of the extraembryonic membranes in mammalian development.
The Cellular and Molecular Basis of Morphogenesis and Differentiation in Animals
20. Describe the significance of changes in cell shape and cell position during embryonic development. Explain how these cellular processes occur. Describe the process of convergent extension.
21. Describe the role of the extracellular matrix in embryonic development.
22. Describe the locations and functions of cell adhesion molecules.
23. Describe the two general principles that integrate our knowledge of the genetic and cellular mechanisms underlying differentiation.
24. Describe the process of fate mapping and the significance of fate maps.
25. Describe the two important conclusions that have resulted from the experimental manipulation of parts of embryos and the use of fate maps.
26. Explain how the three body axes are established in early amphibian and chick development.
27. Explain the significance of SpemannÕs organizer in amphibian development.
28. Explain what is known about the molecular basis of induction.
29. Explain pattern formation in a developing chick limb, including the roles of the apical ectodermal ridge and the zone of polarizing activity.
30. Explain how a limb bud is directed to develop into either a forelimb or a hind limb.
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Chapter 48 AP Obj Nervous Systems

 

 

Chapter 48     Nervous Systems
Objectives
An Overview of Nervous Systems
1. Compare and contrast the nervous systems of the following animals and explain how variations in design and complexity relate to their phylogeny, natural history, and habitat: hydra, sea star, planarian, insect, squid, and vertebrate.
2. Name the three stages in the processing of information by nervous systems.
3. Distinguish among sensory neurons, interneurons, and motor neurons.
4. List and describe the major parts of a neuron and explain the function of each.
5. Describe the function of astrocytes, radial glia, oligodendrocytes, and Schwann cells.
The Nature of Nerve Signals
6. Define a membrane potential and a resting potential.
7. Describe the factors that contribute to a membrane potential.
8. Explain why the membrane potential of a resting neuron is typically around 260 to 280 mV.
9. Explain the role of the sodium-potassium pump in maintaining the resting potential.
10. Distinguish between gated and ungated ion channels and among stretch-gated ion channels, ligand-gated ion channels, and voltage-gated ion channels.
11. Define a graded potential and explain how it is different from a resting potential or an action potential.
12. Describe the characteristics of an action potential. Explain the role of voltage-gated ion channels in this process.
13. Describe the two main factors that underlie the repolarizing phase of the action potential.
14. Define the refractory period.
15. Explain how an action potential is propagated along an axon.
16. Describe the factors that affect the speed of action potentials along an axon and describe adaptations that increase the speed of propagation. Describe saltatory conduction.
17. Compare an electrical synapse and a chemical synapse.
18. Describe the structures of a chemical synapse and explain how they transmit an action potential from one cell to another.
19. Explain how excitatory postsynaptic potentials (EPSPs) and inhibitory postsynaptic potentials (IPSPs) affect the postsynaptic membrane potential.
20. Define summation and distinguish between temporal and spatial summation. Explain how summation applies to EPSPs and IPSPs.
21. Explain the role of the axon hillock.
22. Describe the role of signal transduction pathways in indirect synaptic transmission.
23. Describe the specific properties of the neurotransmitters acetylcholine and biogenic amines.
24. Identify and describe the functions of the four amino acids and several neuropeptides that work as neurotransmitters.
25. Explain how endorphins function as natural analgesics.
26. Describe the roles of nitric oxide and carbon monoxide as local regulators.
Vertebrate Nervous Systems
27. Compare the structures and functions of the central nervous system and the peripheral nervous system.
28. Distinguish between the functions of the autonomic nervous system and the somatic nervous system.
29. Describe the embryonic development of the vertebrate brain.
30. Describe the structures and functions of the following brain regions: medulla oblongata, pons, midbrain, cerebellum, thalamus, epithalamus, hypothalamus, and cerebrum.
31. Describe the specific functions of the reticular system.
32. Explain how the suprachiasmatic nuclei (SCN) function as a mammalian biological clock.
33. Relate the specific regions of the cerebrum to their functions.
34. Distinguish between the functions of the left and right hemispheres of the cerebrum.
35. Describe the specific functions of the brain regions associated with language, speech, emotions, memory, and learning.
36. Explain the possible role of long-term potentiation in memory storage and learning in the vertebrate brain.
37. Describe our current understanding of human consciousness.
38. Explain how research on stem cells and neural development may lead to new treatments for injuries and disease.
39. Describe current treatments for schizophrenia.
40. Distinguish between bipolar disorder and major depression.
41. Describe the symptoms and brain pathology that characterize Alzheimer’s disease. Discuss possible treatments for this disease.
42. Explain the cause of Parkinson’s disease.
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Chapter 32 AP Objectives

 

Chapter 32     Introduction to Animal Evolution
Objectives
What Is an Animal?
1. List the five characteristics that combine to define animals.
2. Describe the role of Hox genes in animal development.
The Origins of Animal Diversity
3. Describe the evidence that suggests animals may have first evolved about a billion years ago.
4. Explain the significance of the Cambrian explosion. Describe three hypotheses for the cause of the Cambrian explosion.
5. Outline the major grades of the animal kingdom based on symmetry, embryonic germ layers, the presence or absence and type of coelom, and protostome or deuterostome development.
6. Distinguish between radial and bilateral symmetry. Explain how animal symmetry may match the animal’s way of life.
7. Distinguish among the acoelomate, pseudocoelomate, and coelomate grades. Explain the functions of a body cavity.
8. Distinguish between the following pairs of terms:
a. diploblastic and triploblastic
b. spiral and radial cleavage
c. determinate and indeterminate cleavage
d. schizocoelous and enterocoelous development
9. Compare the developmental differences between protostomes and deuterostomes, including:
a. pattern of cleavage
b. fate of the blastopore
c. coelom formation
10. Name five major features of animal phylogeny that are supported by systematic analyses of morphological characters and recent molecular studies.
11. Distinguish between the ecdysozoans and the lophotrochozoans. Describe the characteristic features of each group.

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Chapter 34 AP Objectives

 

Chapter 34     Vertebrate Evolution and Diversity
Objectives
Invertebrate Chordates and the Origin of Vertebrates
1. Distinguish between the phyla of deuterostomes.
2. Describe the four derived traits that define the phylum Chordata.
3. Distinguish among the three subphyla of the phylum Chordata and give examples of each.
4. Discuss the evidence for and against Garstang’s hypothesis that vertebrates had a tunicate-like ancestor.
5. Explain what lancelets suggest about the evolution of the chordate brain.
Craniates Are Chordates with a Head
6. Discuss the importance of genetic duplication in chordate evolution.
7. Explain the fate of the neural crest cells in craniate development.
8. Explain what Haikouella and Haikouichthys tell us about craniate evolution.
Vertebrates Are Craniates with a Backbone
9. Describe the way of life and unique characters of the lamprey.
10. Describe conodonts, and explain why they are considered vertebrates.
11. Describe the trends in mineralized structures in early vertebrates.
Gnathostomes Are Vertebrates with Jaws
12. Explain one hypothesis for the evolution of the jaws of gnathostomes.
13. List the shared, derived characters that characterize gnathostomes.
14. Describe the evidence that suggests that the loss of bone in Chondrichthyes is a derived feature.
15. Describe the features of sharks that are adaptive for their active, predatory lifestyle.
16. Describe and distinguish between Chondrichthyes and Osteichthyes, noting the main traits of each group.
17. Identify and describe the main subgroups of Osteichthyes.
18. Name the three living lineages of lobe-fins.
Tetrapods Are Gnathostomes with Limbs and Feet
19. Define and distinguish between gnathostomes, tetrapods, and amniotes.
20. Explain what Acanthostega suggests about the origin of tetrapods.
21. Describe the common traits of amphibians and distinguish among the three orders of living amphibians.
Amniotes Have Amniotic Eggs
22. Describe an amniotic egg and explain its significance in the evolution of reptiles and mammals.
23. Explain why the reptile clade includes birds.
24. Describe a number of reptile features that are adaptive for life on land.
25. Explain why non-bird reptiles should be called “ectothermic” rather than “cold-blooded.”
26. Define and describe the parareptiles.
27. Distinguish between the lepidosaurs and the archosaurs.
28. Compare the interpretations of dinosaurs as ectotherms or endotherms.
29. Describe the specialized adaptations of snakes that make them successful predators.
30. List the modifications of birds that are adaptive for flight.
31. Summarize the evidence supporting the hypothesis that birds evolved from theropod dinosaur ancestors.
32. Explain the significance of Archaeopteryx.
33. Describe the characteristic derived characters of mammals.
34. Describe the evolutionary origin of mammals.
35. Distinguish among monotreme, marsupial, and eutherian mammals.
36. Describe the adaptive radiation of mammals during the Cretaceous and early Tertiary periods.
37. Compare and contrast the four main evolutionary clades of eutherian mammals.
Primates and the Evolution of Homo sapiens
38. Describe the general characteristics of primates. Note in particular the features associated with an arboreal existence.
39. Distinguish between the two subgroups of primates and describe their early evolutionary relationship.
40. Distinguish between hominoid and hominid.
41. Explain what Sahelanthropus tells us about hominid evolution.
42. Describe the evolution of Homo sapiens from australopith ancestors. Clarify the order in which distinctive human traits aro
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Chapter 40 AP Intro to Systems Objectives

 

 

Chapter 40     Introduction to Animal Structure & Function
Objectives
Functional Animal Anatomy: An Overview
1. Define bioenergetics.
2. Distinguish between anatomy and physiology. Explain how functional anatomy relates to these terms.
Body Plans and the External Environment
3. Explain how physical laws constrain animal form.
4. Explain how the size and shape of an animal’s body affect its interactions with the environment.
5. Define tissue.
6. Distinguish among collagenous fibers, elastic fibers, and reticular fibers.
7. From micrographs or diagrams, correctly identify the following animal tissues, explain how their structure relates to their functions, and note examples of each type.
a. Epithelial tissue
b. Connective tissue
i.  Loose connective tissue
ii. Adipose tissue
iii. Fibrous connective tissue
iv. Cartilage
v.  Bone
vi. Blood
c. Muscle tissue
i.  Skeletal (striated) muscle
ii. Cardiac muscle
iii. Smooth muscle
d. Nervous tissue
i.  Neuron
Introduction to the Bioenergetics of Animals
8. Describe the basic sources of chemical energy and their fate in animal cells.
9. Define biosynthesis.
10. Define metabolic rate and explain how it can be determined for animals.
11. Distinguish between endothermic and exothermic animals.
12. Describe the relationship between metabolic rate and body size.
13. Distinguish between basal metabolic rate and standard metabolic rate. Describe the major factors that influence energy requirements.
14. Describe the natural variations found in the energy strategies of endotherms and ectotherms.
Regulating the Internal Environment
15. Distinguish between regulators and conformers for a particular environmental variable.
16. Define homeostasis. Describe the three functional components of a homeostatic control system.
17. Distinguish between positive and negative feedback mechanisms.
18. Define thermoregulation. Explain in general terms how endotherms and ectotherms manage their heat budgets.
19. Name four physical processes by which animals exchange heat with their environment.
20. Discuss the role of hair, feathers, and adipose tissue in insulation.
21. Explain the role of vasoconstriction and vasodilation in modifying the transfer of body heat with the environment.
22. Describe animal adaptations to facilitate evaporative cooling.
23. Describe thermoregulatory mechanisms utilized by endothermic invertebrates.
24. Explain how ectotherms and endotherms may acclimatize to changing environmental temperatures.
25. Explain the role of heat-shock proteins in helping cells to cope with severe temperature changes.
26. Define torpor, hibernation, estivation, and daily torpor.

 
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