BIOL134: Chapter 28-34 Exam | Questions and
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Terms in this set (70)
What percent of the animal kingdom 3
is made up of organisms other than
invertebrates?
37
3
93
52
The only phylum in the group Porifera
Parazoans is ________.
Porifera
Cnidaria
Ctenophora
Ecdysozoa
Lophotrochozoa
In rotifers, the pharynx with jaw-like mastax
structures is known as the ________.
mastax
schizocoelom
rhynchocoel
proboscis
,The pallium of mollusks is the dorsal mantle
epidermis and is also called the
radula
veliger
mantle
ctenidia
nacre
The members of this class are Cephalopoda
characterized as carnivorous
predators with beak-like jaws and
the use of "jet" propulsion for
movement.
Aplacophora
Scaphopoda
Polyplacophora
Cephalopoda
Annelids demonstrate protostomic metamerism
development in embryonic stages
and have their key characteristic of
________.
metamerism
pseudocoelomate
mantle
venom
What is the name of the flatworm Catenulida
lineage that has members that are
known as "chain worms" due to the
results of their asexual reproduction?
Annelida
Catenulida
Nemertea
Rhabditophora
, Which of the following is a significant lack of chaetae and development of suckers at the
difference between leeches and anterior and posterior ends
other annelids?
lack of chaetae and development of
suckers at the anterior and posterior
ends
incomplete digestive system and
hermaphroditic reproduction
chaetae formed into spikes to
penetrate skin and posterior gonad
development
heterotrophic energy utilization and
aquatic habitat
There are approximately ________ 20,000
genes in Caenorhabditis elegans.
20,000
2,000
6,000
60,000
Which of the following is the best hemocoel regulated by a tubular or single-
description of the arthropod chambered heart
circulatory system?
pseudocoel with no vasculature and
no regulation
hemocoel regulated by a tubular or
single-chambered heart
pseudocoel regulated by a two-
chambered heart with vasculature
hemocoel with no vasculature and
no regulation
hemocoel regulated by a three-
chambered heart
Answers | Verified Solutions | 2026 Edition | Pass
Guaranteed
Save
Terms in this set (70)
What percent of the animal kingdom 3
is made up of organisms other than
invertebrates?
37
3
93
52
The only phylum in the group Porifera
Parazoans is ________.
Porifera
Cnidaria
Ctenophora
Ecdysozoa
Lophotrochozoa
In rotifers, the pharynx with jaw-like mastax
structures is known as the ________.
mastax
schizocoelom
rhynchocoel
proboscis
,The pallium of mollusks is the dorsal mantle
epidermis and is also called the
radula
veliger
mantle
ctenidia
nacre
The members of this class are Cephalopoda
characterized as carnivorous
predators with beak-like jaws and
the use of "jet" propulsion for
movement.
Aplacophora
Scaphopoda
Polyplacophora
Cephalopoda
Annelids demonstrate protostomic metamerism
development in embryonic stages
and have their key characteristic of
________.
metamerism
pseudocoelomate
mantle
venom
What is the name of the flatworm Catenulida
lineage that has members that are
known as "chain worms" due to the
results of their asexual reproduction?
Annelida
Catenulida
Nemertea
Rhabditophora
, Which of the following is a significant lack of chaetae and development of suckers at the
difference between leeches and anterior and posterior ends
other annelids?
lack of chaetae and development of
suckers at the anterior and posterior
ends
incomplete digestive system and
hermaphroditic reproduction
chaetae formed into spikes to
penetrate skin and posterior gonad
development
heterotrophic energy utilization and
aquatic habitat
There are approximately ________ 20,000
genes in Caenorhabditis elegans.
20,000
2,000
6,000
60,000
Which of the following is the best hemocoel regulated by a tubular or single-
description of the arthropod chambered heart
circulatory system?
pseudocoel with no vasculature and
no regulation
hemocoel regulated by a tubular or
single-chambered heart
pseudocoel regulated by a two-
chambered heart with vasculature
hemocoel with no vasculature and
no regulation
hemocoel regulated by a three-
chambered heart
