Amphibians - Biology - Lab Manual, Study notes for Biology. All India Institute of Medical Sciences

Biology

Description: Amphibians, Endothermic, Ectothermic, Cloaca, Ventricle, Chambered Heart, Pulmonary Circuit, Bird Skeleton, Wings and Position, Pelvic Girdles. This is lab manual for an experiment. All required instructions for experiment are given in this handout. Few points are given above from this manual.
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Name _______________________________________ Date ______________
Gen Bio 2 Lab #9: Amphibians, Reptiles, and Birds, oh my…
1. Endothermic
2. Ectothermic
3. Fat bodies
4. Cloaca
5. Atrium
6. Ventricle
7. 3-chambered heart
8. 4-chambered heart
9. Pulmonary circuit
Procedure 1 Bird Skeleton Observe the bird skeleton and note the bones of the wings and position of
the pectoral and pelvic girdles. Write 2 sentences about your observations.
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Procedure 2 Bird X-rays Observe the X-Rays of birds. How do they compare to one another? What
differences do you notice?
Procedure 3 Preserved Birds- Observe the preserved bird specimens. Record any thoughts or
observations.
Procedure 4 Birds nests What does the structure of the 2 bird nests say about these birds and
parental care?
Procedure 5 Preserved Reptiles Observe the preserved specimens of Reptiles. How many of these
have you seen in the wild? Which reptiles do you find most interesting/gross/cool, and why?
Procedure 6 Reptile X-Rays Observe the X-rays of several reptiles. Note the internal skeleton of the
turtle.
1) Why does a turtle have bones and an exoskeleton?
2) What do the baby turtle eggs in the X-ray look like?
3) Can you see the dwarf crocodiles in the egg X-ray? What developmental stage are these
at?
Procedure 7 Frog X-Ray Observe the X-ray of the frog. Record any thoughts or observations.
Procedure 8 Preserved Frogs Observe the preserved frogs. Record any thoughts or observations.
Procedure 9 Frog Poster Look at the cool 3D frog poster. Record any thoughts or observations.
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