WorksheetsU6 Invertebrate Challenge
Total questions: 20
Worksheet time: 11mins
Why phylum includes sea jellies, corals, and sea anemones?
Sponges (Porifera)
Cnidaria
Mollusk
Echinoderms
I have a digestive cavity with one opening, and have tentacles. I am called a hydra. Which phyla do I belong?
invertebrates with soft tube-like bodies
cnidarians
worms
arthropods
crustaceans
Which of the following is the correct description of how Porifera get food?
They hunt and capture prey using tetacles
They surround food particles using cytoplasmic extensions
They secrete digestive enzymes and absorb the nutrients
They are suspension feeder that filter food particles out of the water
They used sucker to get the food and absorb nutrition
What type of symmetry do Porifera have?
asymmetry
bilateral
radial
singular
angular
Which phylum of worms has a bilateral symmetry, one-way digestive system, respiration through skin, hydrostatic skeleton and segmented body?
Annelid
Platyhelminthes
Nemotoda
Nemertea
cnidaria
A member of the phylum Nematoda, which consists of animals that have smooth skin and a long, cylindrical, and unsegmented body that tapers at both ends. Almost all are parasitic.
segmented worms
round worm
flat worm
cnidarian
annelid
Platyhelminthes. A group of invertebrates with a flattened body. Characteristics include a head and bilateral symmetry. Some are parasitic whereas others can live on their own.
round worm
segmented worm
flat worm
mollusk
leeches and earthworms
Mollusks
Arthropods
Echinoderms
Segmented Worms
Corals have a mutualistic relationship with a dinoflagellate are called:
This Bobbit worm has a segmented body. What phylum of marine worm would that be classified as?
Platyhelminthes
Annelida
Tube Worm
Nematoda
What's the common name of the deep sea, gutless worms that live near hydrothermal vents?
Segmented worms are known as
Nematodes
Annelids
Planarians
Cnidarians
The hydrostatic skeleton in a worm maintains and controls its body shape. True or false?
TRUE
FALSE
