The centipede had its spiracles open when CO2 packed
0%
Allow the centipede to retain more
Q.5.
Allows for identification
0%
A mantle
0%
mantle
0%
A corona
0%
Platyhelminth
Q.6.
Nematodes and arthropods both _____.
0%
grow by shedding their exoskeleton
0%
The nematodes lack circular muscle fiber should
0%
The centipede had its spiracles open when CO2 packed
0%
A digestive tract
Q.7.
A shared derived characteristic for members of the arthropod subgroup that includes spiders would be the presence of
0%
crustaceans
0%
gas tripod
0%
chelicerae
0%
sex organs
Q.8.
More closely related to a flatworm than a roundworm?
0%
It has no coelom
0%
A corona
0%
is a suspension feeder
0%
gastropods
Q.9.
Among the invertebrate phyla, phylum Arthropoda is unique in possessing members that have
0%
bivalves
0%
wings
0%
mantle
0%
sex organs
Q.10.
What would this imply about protostome evolution
0%
mantle
0%
1 and 2
0%
The centipede had its spiracles open when CO2 packed
0%
thorax
Q.11.
The possession of two pairs of antennae is a characteristic of
0%
crustaceans
0%
is a suspension feeder
0%
cerata
0%
reduced coelom
Q.12.
The presence of a lophophore in a newly discovered species would suggest that the species
0%
is a suspension feeder
0%
number of shell plates
0%
dorsal plummules
0%
rhino phones
Q.13.
What hypothesis could you make?
0%
Poisonous fangs
0%
Bristle like structures on tiny apendages
0%
C morsitqns live in drier habitat
0%
The centipede had its spiracles open when CO2 packed
Q.14.
She should find
0%
bivalves
0%
Gills
0%
A circulatory system
0%
Open circulatory system
Q.15.
Closing spiracles would
0%
Platyhelminth
0%
A digestive tract
0%
Allow the centipede to retain more
0%
grow by shedding their exoskeleton
Q.16.
Adaptations to terrestrial environments evolved independently in arthropods, mollusks, nematodes, and annelids. What logical conclusion would you make from this statement?
0%
Division of these two groups occurred after the protostome developmental sequence appeared.
The common ancestor of all these groups was probably aquatic.
0%
Has a crown of ciliated tentacles that function in feeding
Q.17.
Which one of these mollusk groups can be classified as suspension feeders?
0%
wings
0%
mantle
0%
gastropods
0%
bivalves
Q.18.
If a lung was found in a mollusk, where would it be located?
0%
gas tripod
0%
reduced coelom
0%
Molting as they grow larger
0%
Mantle cavity
Q.19.
Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that
0%
arthropods have had more time to coevolve with land plants than have vertebrates
0%
Division of these two groups occurred after the protostome developmental sequence appeared.
0%
chelicerae
0%
The common ancestor of all these groups was probably aquatic.
Q.20.
On which body segment are arthropod wings attached?
0%
thorax
0%
cerata
0%
A corona
0%
gastropods
Q.21.
Which one of the following is a lophotrochozoan?
0%
Poisonous fangs
0%
Smelling
0%
mollusks
0%
gastropods
Q.22.
The body cavity type for arthropods and mollusk can best be described as
0%
reduced coelom
0%
Mantle cavity
0%
dorsal plummules
0%
gas tripod
Q.23.
A terrestrial animal species is discovered with larval characteristics
0%
bivalves
0%
gas tripod
0%
A circulatory system
0%
Open circulatory system
Q.24.
Would have trouble
0%
Poisonous fangs
0%
Platyhelminth
0%
2,3,4,5
0%
Smelling
Q.25.
The common ancestor of the protostomes had a coelom. What does this suggest?
0%
arthropods have had more time to coevolve with land plants than have vertebrates
0%
The body cavity evolved before the lophophore.
0%
The centipede had its spiracles open when CO2 packed
0%
Molting as they grow larger
Q.26.
The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups: Lophotrochozoa and Ecdysozoa. What does this finding suggest?
0%
Division of these two groups occurred after the protostome developmental sequence appeared.
0%
The common ancestor of all these groups was probably aquatic.
0%
arthropods have had more time to coevolve with land plants than have vertebrates