بنك الاسئلة EPS 1ST 2011 332
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Q:1
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Differentiate between
ecology and Paleoecology?
Ecology: the study of
the interaction of organism with one another and their environment.
Paleoecology: the study
of the interaction of organism with one another and their environment in the
geological past.
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Q:2
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Describe sessile benthos.
Sessile benthos fixed or
set on top of substrate, excellent environment indicator.
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Q:3
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Vagile benthos moved by:
It moves by:
1. Contraction
of their body
2. Appendages
for locomotion
3. Propulsion
organ
4. Special
structure (like spines of echinoids)
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Q:4
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Compare between plankton
and nekton.
Plankton: lived in sea
and passively sweep about by it.
Nekton: lived in the
body of the sea move actively search for food.
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Q:5
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What is nutrition?
Nutrition is a process
by which organisms obtain and used the nutrients for maintaining life.
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Q:6
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Explain Aeolian
sedimentation?
Wind blow sediments,
sand, 0.06 – 2mm grain size, rounded, matt grain shape, pebbles are faceted.
Good grading, cross-bedded,, ripple marks at the surface of the dunes.
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Q:7
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Fill-in-blanks
1. Carnivores
feed on: (living prey).
2. Saprophagos
is: (eat dead bodies).
3. Microspheric
is: (spore for asexual reproduction).
4. Megalospheric
is: (gametes).
5. Oviparous
is: (eggs developed outside mother).
6. Hard
substrate made up of : (rocks and exo-skeletons).
7. Sign
of predation is: (breakage on exo-skeleton, shells, carapace).
8. Continental
environment controlled by: (humidity and temperatures).
9. Ichnology
is: (it is describes the traces left in the sediments by animals activities).
10.
Mud feeders eats: (organic maters
disseminated within the sediments by swallowing big amount of mud and
sediments).
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