WorksheetsG5 U3 Fish birth
Total questions: 18
Worksheet time: 10mins
Which is a female killifish?
Which killifish lays eggs?
Male
Female
Both
What are the name of the fins that can help us tell a male from a female killifish?
Stomach fin and anal fin
Anal fin and dorsal fin
Stomach fin and dorsal fin
Stomach fin, anal fin, and dorsal fin
Which killifish releases sperm?
Male
Female
Both
When an EGG from a female killifish joins a SPERM from a male killifish, it is called...
fertilization
life
development
hatches
Look at the pictures and arrange the letters to show the
youngest killifish egg to the oldest killifish egg.
C -> B -> A
A -> B -> C
C -> A -> B
B -> A -> C
What are the black things with label, "1"?
eyes
heart
tail
blood vessels
Which killifish egg shows a heart?
A
B
C
none of the above
Which is CORRECT about killifish eggs?
In the egg, there is a small killifish that grows little by little.
In the egg, the shape of the killifish slowly develops and becomes clear day by day.
Which are the CORRECT ways to to raise a killifish in a fish tank? Choose TWO.
Fish tank should be bright and near direct sunlight
Replace half of the dirty water with water that has been sitting for a while
Fish food should be given at least 10 times a day
Fish food should be given so that there are no leftovers
Which pair of killifish is the BEST so that eggs can be fertilized?
Which of the following are the CORRECT way of using a microscope (with mirror). Choose TWO.
The (sun)light should be reflected by the mirror
The place should be bright if direct sunlight does not go inside the room
The mirror should be touched while using the microscope
The mirror can be used even if it is broken
If the image is NOT clear, which part of the microscope should you fix/adjust?
A
B
Both
In picture A, what is inside the bag?
nutrients
eggs
bubble-like
food
In picture B, what happened to the bag?
it is used up as food
it was eaten by other killifish
it mixed with water
it was fertilized
What is the Japanese word of FERTILIZATION?
受精ちょく後
受精
精子
種子
What is the Japanese word of "release a sperm"
種子を出す
精子を出す
たまごをうむ
かえる
What is the Japanese word of "dorsal fin" and "anal fin"
しりびれ・せびれ
せびれ・しりびれ
はらびれ・しりびれ
せびれ・はらびれ
