BIO 200 EXAM #1 QUESTIONS WITH VERIFIED
ANSWERS
What characteristic is found in all three domains? - Answers - autotrophy- act an
organism can do to derive some or all organic carbon from inorganic sources
What traits are shared among modern land plants and charophytes? - Answers - rosed-
shaped cellulose producing complex, common peroxisome enzyme, similar structure of
flagella, formation of a phragmoplast, and soropollenin
What is the ecological role of prokaryotes? - Answers - play a major role in the nitrogen
cycle by fixing atmospheric nitrogen into ammonia that plants can use
Charophytes are closely related to - Answers - modern plants
Choanozoa are closely related to - Answers - modern animals
Three animal groups with their body symmetry - Answers - Porifera(radial),
cnidaria(radial), ecdysozoa(bilateral)
What is the distinctive feature of chordrichthyans(sharks, rays, etc)? - Answers - a
mostly cartilaginous endoskeleton
An evolutionary common structure in the earliest tetrapods - Answers - feet with digits
Two groups that posses a body cavity - Answers - pseudocoelomates and coelomates
Ammonification - Answers - process by which ammonium ion is related from
decomposing organic compounds
Dentrifying bacteria - Answers - converts nitrates into nitrogen gas
Microbial mats - Answers - are multilayered sheets of prokaryotes including mostly
bacteria but also archaea
Cynobacteria - Answers - first organisms that oxygenated the atmosphere
Eukaryotic vs. prokaryotic cells - Answers - eukaryotic cells have a membrane-enclosed
nucleus where prokaryotes don't but have free flowing organelles
Bacteria and archaea consist of - Answers - prokaryotic cells
Chemotrophs - Answers - obtain energy from chemical compounds
ANSWERS
What characteristic is found in all three domains? - Answers - autotrophy- act an
organism can do to derive some or all organic carbon from inorganic sources
What traits are shared among modern land plants and charophytes? - Answers - rosed-
shaped cellulose producing complex, common peroxisome enzyme, similar structure of
flagella, formation of a phragmoplast, and soropollenin
What is the ecological role of prokaryotes? - Answers - play a major role in the nitrogen
cycle by fixing atmospheric nitrogen into ammonia that plants can use
Charophytes are closely related to - Answers - modern plants
Choanozoa are closely related to - Answers - modern animals
Three animal groups with their body symmetry - Answers - Porifera(radial),
cnidaria(radial), ecdysozoa(bilateral)
What is the distinctive feature of chordrichthyans(sharks, rays, etc)? - Answers - a
mostly cartilaginous endoskeleton
An evolutionary common structure in the earliest tetrapods - Answers - feet with digits
Two groups that posses a body cavity - Answers - pseudocoelomates and coelomates
Ammonification - Answers - process by which ammonium ion is related from
decomposing organic compounds
Dentrifying bacteria - Answers - converts nitrates into nitrogen gas
Microbial mats - Answers - are multilayered sheets of prokaryotes including mostly
bacteria but also archaea
Cynobacteria - Answers - first organisms that oxygenated the atmosphere
Eukaryotic vs. prokaryotic cells - Answers - eukaryotic cells have a membrane-enclosed
nucleus where prokaryotes don't but have free flowing organelles
Bacteria and archaea consist of - Answers - prokaryotic cells
Chemotrophs - Answers - obtain energy from chemical compounds
