Have an account?
Skip to Content
19 questions
Show Answers
See Preview
- Multiple ChoicePlease save your changes before editing any questions.The crayfish used its sense of __________________ to identify Mr. Scaduto's hand as possible danger.SmellHearingSightBehavior
- Multiple ChoicePlease save your changes before editing any questions.The ___________ the crayfish made to the movement of Mr. Scaduto's hand was when it raised its pincers in defense.ResponseSenseStimulusNoise
- Multiple ChoicePlease save your changes before editing any questions.The stimulus in this experiment is .........the crayfish raising its pincersMr. Scaduto placing the crayfish in the plastic boxthe crayfish slowly walking aroundMr. Scaduto's hand moving toward the crayfish
- Multiple ChoicePlease save your changes before editing any questions._______________ is the process of shedding and replacing the exoskeleton of a crayfish.MoltingHibernatingSleepingRespiration
- Multiple ChoicePlease save your changes before editing any questions.The process of RE-growing lost body parts such as walking legs is known asREgenerationRespirationHibernationMolting
- Multiple ChoicePlease save your changes before editing any questions.When do crayfish lay eggs in the North?WinterSpringFallSummer
- Multiple ChoicePlease save your changes before editing any questions.When do crayfish lay eggs in the South?WinterSpringSummerFall
- Multiple ChoicePlease save your changes before editing any questions.Crayfish usually live in cold water. They can stay out of water for short periods of time ________________to moltto hibernateto look for a mateas long as their gills stay wet, so they can breathe
- Multiple ChoicePlease save your changes before editing any questions.Which sense are most important to the crayfish?taste and hearingtaste, hearing, touchtaste, hearing, sight, and touchtaste, sight, and touc
- Multiple ChoicePlease save your changes before editing any questions.How are male and female crayfish different?Female crayfish have larger eyesMale crayfish have larger clawsThe swimmeret closest to the walking legs are larger on the female than on the maleThe swimmerets closest to the walking legs are larger on the male than on the female
- Multiple ChoicePlease save your changes before editing any questions.Crayfish burrow into the mud toto hide from enemiesto escape the winter coldneither A nor Bboth A and B
- Multiple ChoicePlease save your changes before editing any questions.Why does a crayfish molt?Crayfish like to molt because they become soft for a short timeA crayfish fools predators into thinking its shed exoskeleton is a crayfishIt's exoskeleton is hard and gets broken oftenAs a crayfish grows its exoskeleton does not grow and must be replaced
- Multiple ChoicePlease save your changes before editing any questions.What kind of water do crayfish live in?Fresh waterSalt waterSoda waterOceans
- Multiple ChoicePlease save your changes before editing any questions.Which word BEST describes a crayfish's legs?JointedCurvedStraight
- Multiple ChoicePlease save your changes before editing any questions.What family does a crayfish belong to?MammalReptileAmphibianCrustacean
- Multiple ChoicePlease save your changes before editing any questions.Crayfish use their antennae for __________sensing vibrationseatingwalkingseeing
- Multiple ChoicePlease save your changes before editing any questions.Why might a crayfish get into a fight?to see who is strongestto protect their territoryto show dominanceboth B & C
- Multiple ChoicePlease save your changes before editing any questions.How do you hold a crayfish?by its pincersby its thoraxby its tailby its head
- Multiple ChoicePlease save your changes before editing any questions.In ponds or streams, crayfish usually search for food _________________.at nightduring the dayall the timenone of the above