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WorksheetsScience 5 Invertebrates
Total questions: 25
Worksheet time: 20mins
This is a group of simple animals. They do not have a backbone.
(a)
This may be made of limestone (calcium carbonate) or silica, a glasslike mineral. Sponges are protected by this so they can protect themselves from animals that try to eat them.
(a)
Porifera means (a) .
The former name of cnidarians is (a) .
This disease is caused by filarial worms.
(a)
The hydras, jellyfish, corals, and sea animals are cnidarians.
TRUE
FALSE
Coral reefs provide rich sources of marine food.
TRUE
FALSE
The tapeworm stays in the liver of their host they can enter the human body through the skin. They cause a disease called schistosomiasis.
TRUE
FALSE
The flukes live in the human intestine and feed completely on the digested food of their host. It can cause illness in the human body by obstructing the passage of food in the small intestine.
TRUE
FALSE
Trichina, filaria pinworms vinegar eel, and hookworms are examples of roundworms
TRUE
FALSE
Flatworms are the most complex among the three groups of worms. Their bodies are divided into segments with the ringed appearance.
TRUE
FALSE
Earthworms and leeches are examples of annelids or segmented worms.
TRUE
FALSE
Phylum Mollusca is the second-largest animal phylum next to the arthropods.
TRUE
FALSE
The Aedes mosquito injects into the bloodstream the malaria-causing protozoan
TRUE
FALSE
Arthropods' bodies are covered with an outside shell hold exoskeleton which is composed of a stiff horny material called chitin.
TRUE
FALSE
Class Insecta
Class Arachnida
Class Diplopoda
Class Crustacea
Class Insecta
Class Arachnida
Class Diplopoda
Class Crustacea
Class Insecta
Class Arachnida
Class Diplopoda
Class Crustacea
Class Insecta
Class Arachnida
Class Diplopoda
Class Crustacea
Phylum Echinodermata
Phylum Mollusca
Phylum Nemathelminthes
Phylum Annelida
Phylum Echinodermata
Phylum Mollusca
Phylum Nemathelminthes
Phylum Annelida
Phylum Echinodermata
Phylum Mollusca
Phylum Nemathelminthes
Phylum Annelida
Phylum Echinodermata
Phylum Mollusca
Phylum Nemathelminthes
Phylum Annelida
Phylum Porifera
Phylum Mollusca
Phylum Cnidaria
Phylum Annelida
Phylum Porifera
Phylum Mollusca
Phylum Cnidaria
Phylum Annelida
