31 Questions
What is the defining characteristic that sets animals apart from members of the other four kingdoms?
Ability to move their bodies
Which phylum includes the vertebrates with a spinal cord enclosed in a backbone of vertebrae?
Chordata
What is the common characteristic of the first eight animal phyla?
Invertebrates without a backbone
Which kingdom includes animals that do not have a backbone?
Animalia
Which phylum includes animals that are permanently attached to a surface on the sea bed?
Porifera
How do animals differ from the members of the other four kingdoms?
They exhibit locomotion
Which phylum includes sea anemones, hydra, jellyfish, and coral?
Phylum Coelenterata
Which phylum is characterized by having hollow filter feeders with little co-ordination or control?
Phylum Porifera
In which phylum do the organisms have flattened bodies with a mouth but no anus?
Phylum Platyhelminthes
Which phylum has organisms that are thought to be the most numerous animals in the world?
Phylum Nematoda
Which phylum has organisms with two layers of cells in their bodies that surround a central cavity?
Phylum Coelenterata
Which phylum contains organisms with bodies that are pointed at both ends and bilaterally symmetrical?
Phylum Nematoda
Which phylum is an evolutionary dead end with no other close living relatives as far as is known?
Phylum Porifera
Which phylum ranges in size from a few millimeters to two meters and is supported by a series of calcareous spicules?
Phylum Porifera
Which phylum has organisms with radial symmetry and only one opening, the mouth?
Phylum Coelenterata
What characteristic sets animals apart from members of the other four kingdoms?
They exhibit locomotion and do not have cell walls
Which phylum includes sea anemones, hydra, jellyfish, and coral?
Coelenterata (cidaria)
What is the main characteristic of the first eight animal phyla?
They do not have a backbone
What phylum includes vertebrates with a spinal cord enclosed in a backbone of vertebrae?
Chordata
Which phylum has organisms that are the most numerous animals in the world?
Nematoda (roundworms or nemathelminthes)
Which phylum has organisms that differ from other close living relatives and are considered an evolutionary dead end?
Porifera (sponges)
What is a characteristic of organisms in the phylum Coelenterata?
They have soft bodies with a ring of tentacles for capturing prey
Which phylum includes organisms that are permanently attached to a surface on the sea bed?
Phylum Porifera
What is a common characteristic of organisms in the phylum Nematoda (nemathelminthes)?
They have narrow, thread-like bodies, pointed at both ends, and bilaterally symmetrical
Which phylum has organisms that differ from other close living relatives and are considered an evolutionary dead end?
Phylum Porifera
What characteristic sets animals apart from members of the other four kingdoms?
One opening, the mouth, in their bodies
Which phylum ranges in size from a few millimeters to two meters and is supported by a series of calcareous spicules?
Phylum Porifera
In which phylum do the organisms have radial symmetry and only one opening, the mouth?
Phylum Coelenterata
Which phylum has organisms with two layers of cells in their bodies that surround a central cavity?
Phylum Coelenterata
Which phylum contains animals with flattened bodies with a mouth but no anus?
Phylum Platyhelminthes
What is a characteristic of organisms in the phylum Porifera?
They are hollow filter feeders with little co-ordination or control
Explore the characteristics and diversity of the animal kingdom. Learn about the multicellularity, heterotrophy, locomotion, and nervous systems of animals, while considering the main phyla within this diverse kingdom.
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