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Jugar Froggy Jumps
1. What types of animals live mainly on water?
A
Fish, cnidarians, arachnids, myriapods, bivalves, all reptiles
B
Fish, some mammals, cnidarians, echinoderms, cephalopods, bivalves, crustaceans, sponges
C
Fish, cephalopods, gastropods, insects, annelids, all mammals
2. In which groups can we classify fish according to the material of their skeleton?
A
White and blue fish
B
Hake, salmon and Roosterfish
C
Bony fish and cartilaginous fish
3. What is the name of fish that have a body made of cartilage?
A
Chondrichthyan fish
B
Polyps
C
Bony fish
4. What is the name of the cover thanks to which bony fish's gills open directly to the water?
A
Pelvic fin
B
Operculum
C
Swim bladder
5. What organ do wales and dolphins breathe through?
A
Kidneys
B
Gills
C
Lungs
6. What do I mean if I say that fish are ectothermic?
A
That their body temperature change according to the temperature of their environment
B
That they can regulate their body temperature
C
That they can regulate their body temperature by breathing
7. What is the name of the hydraulic system for locomotion of the echinoderms?
A
The circulatory system
B
The respiratory system
C
The water vascular system
8. What type of skeletal structure do crustaceans have?
A
An endoskeleton
B
A gladius
C
An exoskeleton
9. What type of molluscs has a siphon which ejects water and ink?
A
Gastropods
B
Cephalopods
C
Bivalves
10. In what types are cnidarians classified?
A
Polyps and jellyfish
B
Starfish, sea urchin and sea cucumber
C
Myriapods and arachnids
11. What type of marine animal has a hole surrounded by tentacles that serves as mouth and anus?
A
Cephalopods
B
Cnidarians
C
Porifera
12. How do sponges feed?
A
By filtration
B
By injecting their prey a paralysing poison and eating it
C
By eating marine plants and algae