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WorksheetsCrayfish
Total questions: 23
Worksheet time: 12mins
Crayfish are able to stay out of water for short periods of time?
They can go for long periods without breathing
They have both lungs and gills
They have lungs to breath air
Their gills remain wet, they can breathe oxygen from the air
In a scientific experiment, what is the variable?
the observation
the conclusion
the thing that is changed
the hypothesis
When an animal's body temperature changes with the temperature around it.
Sensing
Cold Blooded
Warm Blooded
Exothermic
Crayfish appendages near the mouth that help to circulate water over the gills.
Swimmerets
Maxillae
Antennae
Maxilliped
The smaller sensory appendages on the head of the crayfish. This is part #2
rostrum
antennae
antennules
cephlothorax
The section of the crayfish between the thorax and telson tail made up of (6) flexible parts. This is part #7
swimmerets
cephlothorax
abdomen
head
What does Humane Treatment mean?
Treating objects like they are human
Treating a living thing in a way that keeps it from suffering
Being human
An organism that has human characteristics
In order to survive crayfish need?
sunlight, soil and air
sunlight, food and water
food, water and air
heat, water and soil
In the Behavior 101 lab, what were the strongest senses of the crayfish?
Sight and Touch
Sight and Hearing
Touch and Hearing
Touch and Taste
In the Behavior 101 lab, what was the control in the experiment?
Poking the crayfish with a pencil
Leaving the crayfish alone and observing its natural behavior
Raising the pincers
Clapping our hands
Which crayfish trait is acquired, not inherited?.
Having only one pincer
Having swimmerets
Being male or female
Having eyes on stalks
What does humane treatment mean?
treat objects like they are human
treating a living thing in a way to keep it from suffering
an organism has human characteristics
being human
treating objects like they are human
Which trait is NOT one children can inherit from their parents?
Playing a musical instrument
Attached or dangle ear lobes
Left or right thumbed
Tongue rolling
The fire alarm goes off during class and the students line up and begin to walk outside. What is the stimulus?
Lining up at the door
Fire alarm going off
The students walking outside
The students beginning to talk
In the Behavior 101 lab, the student touched the crayfish gently with the eraser of a pencil. The crayfish tucked its Telson Tail and flexed its abdomen to move backward quickly. What is the stimulus?
The crayfish moving backward quickly
Touching the crayfish with an eraser to a pencil
The crayfish flexing its abdomen
The crayfish tucking its Telson Tail
Large claws used to catch prey, tear food apart and during mating?
walking legs
pincers
swimmerets
cephlothorax
Which of the following is NOT a classroom rule for how crayfish should be treated?
Ask your teacher before handling the crayfish
Treat crayfish humanely
Always sit with your friends when working with the crayfish
Wash your hands after working with the crayfish
Large sensory appendages used as feelers on the head of a crustacean. Part #1
Maxillae
Swimmerets
Antennas
Maxilliped
The middle region of the body between the head and abdomen? Part #
Rostrum
Uropods
Swimmerets
Thorax
feet"the small appendages that help the crayfish move food into the mouth and move oxygen over the gills.
Antenna
Maxilliped
Swimmerets
Maxillae
