Sun/Solar System
Earth/Moon
Invertebrates
More Invertebrates
Fish
100
The closest planet to the sun.
What is Mercury
100
This is the movement of the Earth around its own axis.
What is rotation?
100
In Porifera, the walls of their bodies are perforated by what?
Pores
100
What is the main function of the echinoderms ambulacral system ?
Locomotion
100
What are the two main types of fish?
Bony and cartilaginous fish
200
The distance that light travels in one year.
What is a light year?
200
The phase of the moon in which we see the whole moon illuminated by the sun.
What is full moon?
200
Hydra are what type of Invertebrate?
Cnidaria
200
What are cylindrical worms called?
Nematodes
200
What is the hard cover that protects the gills of a fish?
Operculum
300
This color star has the highest temperature.
What is a blue star?
300
The sun illuminates the northern hemisphere and the southern hemisphere in the same way. Days and nights have the same length, 12 hrs.
What is Spring equinox?
300
What are the stinging cells of a Cnidaria called?
cnidocytes
300
What is a radula?
The radula is an anatomical structure that is used by molluscs for feeding.
300
What are ectotherms?
Animals whose body temperature changes with the environment they live in
400
The shape of the Milky Way Galaxy
What is spiral?
400
Periodic movements of the level of the seas due to the mass of the moon and the attraction that the moon and the sun have on the earth.
What are tides?
400
All living things are made up of mineral substances, water, and ...
What is carbon?
400
A gelatinous substance that fills the cell´s interior.
What is cytoplasm?
400
Which type of fish do not have operculums?
Cartilaginous fish
500
An enormous cloud of gas and dus
What is a nebula?
500
The phase of the moon in which we see the left side of the Moon illuminatedñnow it has the shape of a C.
What is last quarter?
500
Mussels belong to what group of molluscs
Bivalves
500
what are Chelicerates?
arthropods with glands that can produce venom
500
Trout and salmon are examples of what kind of fish?
Bony
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