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ASB 222 EXAM 2 QUESTIONS AND ANSWERS 100% ACCURATE

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ASB 222 EXAM 2 QUESTIONS AND ANSWERS 100% ACCURATEASB 222 EXAM 2 QUESTIONS AND ANSWERS 100% ACCURATEASB 222 EXAM 2 QUESTIONS AND ANSWERS 100% ACCURATEASB 222 EXAM 2 QUESTIONS AND ANSWERS 100% ACCURATE What are some Methods of Identifying Environmental Effects - ANSWER-1.) Sea Cores 2.) Ice Cores ...

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  • November 5, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ASB 222
  • ASB 222
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NursingTutor1
ASB 222 EXAM 2 QUESTIONS AND
ANSWERS 100% ACCURATE
What are some Methods of Identifying Environmental Effects - ANSWER-1.) Sea Cores
2.) Ice Cores

Sea Cores - ANSWER-Sediments at the bottom of the sea that accumulates very
slowly.
-Most of that sediments are made up of small dead microorganisms
-utilized by looking at the stratigraphies by studying the layers

How does global climate affect sea cores? - ANSWER-1.)Temperature will affect which
species thrives: some in hot water, cold water
2.)The water temperature will affect the direction in which their shells form
3.) Most important: the global temperature will affect the chemistry of the shell.

How does global temperatue affect - ANSWER-The proportions of light to heavy oxygen
in water will fluctuate with global climate
-This can help us reconstruct global climate
-We use fluctuations in light/heavy oxygen in foraminiferan shell to track climate
change. We track the ratio of light to heavy water.

What examples can be found in the bones or bodies of human remains that can give
insight in the person's quality of life? - ANSWER--bacteria, parasites and viruses
-trauma in bones (fractures)
-Diseases in bones (diseases leave lesions in the bones)

When a body has disease in the bones, what are some growth arrest features? -
ANSWER--when the body is sick, growth stops in the bones. When the body recovers
again, the bones make indentment in the bones that can be discovered through x-rays.

What are Harris Lines? - ANSWER-Harris Lines are lines in bones that indicate arrested
growth when a human experiences illness or disease.
-overtime the harris lines slowlt fade away as age goes on.

Ice Cores - ANSWER-Each individual layer can help determine what season, climate
was like back then.
-a sample of layers of snow and ice that have collected over a period of a series of
years that offers a continuous record of events and conditions.

What are some macrobotanical remains? - ANSWER--seeds and fruits
-PLant Residues
-wood (charcoal)

, -Fossil pack rats nests (The rats are grabbing stuff in order to help create their nests
The fossilized nest can be preserved for thousands for years and help discover what
had occurred in local area)

What are examples of micobotanical remains? - ANSWER-Pollen (palynology)

What is palynology? - ANSWER--Most powerful tool for reconstructing a local
environment in archaeological science.
-Pollen grains are microorganisms that are being shedded from plants and spread to
the atmosphere.
-Preserves extremely well and can survive for thousands of years.

What can be used as human remains in bioarcharology? - ANSWER--bones
-flesh and tissues (rarely preserved)
- the shape of the bodies after they have disappeared.
- cremations

How can archaeologists determine the sex of human remains in bioarchaeology? -
ANSWER-- size; body dimorphism
- specific bones such as the pelvic bone

How can it be difficult to determine the sex/age of children? - ANSWER-the body
morphology doesn't apply to children because their body and bone structures have not
developed fully yet.

How can archaeologist determine the age of an individual? - ANSWER-- teeth (teeth
eruption patterns, growth rings)
- bone fusion (with age, the bones begin to fuse together)
- plates on the skull (the skull increases in thickness as we age).

What is paleopathology? - ANSWER-a way to look at ancient people/animals' quality of
life

What is enamel hypoplasia? - ANSWER-when the body experiences illness, lines occur
on the teeth that can be see through telescopic examination.
-in contrast to Harris Lines, the lines stay permanently.

When do archaeologist date the early hominins? - ANSWER-6-7 MYA

How was the environment of early hominins? - ANSWER-woodland/savannas in Africa
-dry

what makes a human? - ANSWER--bipedal, locomotion
-larger brain
-longer juvenile period
-complex foraging techniques

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