WorksheetsModule 13 Test
Total questions: 22
Worksheet time: 11mins
Animals that lack a backbone
invertebrates
vertebrates
nematocysts
posterior end
Animals that possess a backbone
Invertebrates
Vertebrates
Nematocysts
Posterior End
Small capsules that contain a toxin which is injected into prey or predators
Invertebrates
Vertebrates
Nematocysts
Posterior End
The end of an animal that contains its tail
Invertebrates
Vertebrates
Nematocysts
Posterior End
The end of an animal that contains its head
Anterior End
Hermaphroditic
Mantle
Open circulatory system
Possessing both the male and the female reproductive organs
Anterior End
Hermaphroditic
Mantle
Open circulatory system
A sheath of tissue that encloses the vital organs of a mollusk, makes the mollusk's shell, and functions in respiration, waste disposal, and sensory perception
Anterior End
Hermaphroditic
Mantle
Open circulatory system
A system in which blood is pumped through vessels into various chambers or body cavities where it comes in direct contact with cells, tissues, and organs
Anterior End
Hermaphroditic
Mantle
Open circulatory system
Which one of the following does NOT have bilateral symmetry?
mollusks
flatworms
cnidarians
roundworms
What term describes the concentration of sensory organs in the anterior or head region of most organisms with bilateral symmetry?
cephalization
regeneration
bivalve
spherical
How do sponges get their prey?
They used pressurized nematocysts to attack prey
They use chemically triggered nematocysts to attack prey
They use spicules to attack prey
They pull water into themselves, bringing algae, bacteria, and other organic matter.
Which of the following statements about jellyfish is NOT true?
Jellyfish are part of the phylum Cnidaria
Jellyfish do not need respiratory or excretory systems because their body walls are so thin that gases diffuse right through them.
Jellyfish spend part of their lives as polyps and other part as medusas
If a jellyfish reproduces sexually, it is in the polyp form
What is A?
ganglia
dorsal blood vessel
pharynx
What is D?
ganglia
dorsal blood vessel
gizzard
Large coral colonies are called coral reefs
True
False
Earthworms make the soil more fertile for plants by mixing minerals from the lower parts with nutrients from the top of the soil
True
False
Earthworms have an open circulatory system
True
False
An earthworm will suffocate if its cuticle dries out
True
False
Clams are part of the phylum Porifera
True
False
The mantle and foot are present in most mollusks
True
False
In a gastrovascular cavity, there....
is one opening where food enters and exits
are two openings where food enters and exits
In a complete digestive tract, there....
is one opening where food enters and exits
are two openings where food enters and exits
