Crayfish Jeopardy Amazing Anatomy Scientific Method Crazy Crayfish Vocabulary Fishy Facts 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50 Letter “D” is referring to which part of the crayfish anatomy? A. B. J. C. I. H. G. D. E. F. Amazing Anatomy 10 What are the swimmerets? A 100 Letter “I” is referring to which part of the crayfish anatomy? How can these differ from each other? A. B. J. C. I. H. G. D. E. F. Amazing Anatomy 20 What are the chelipeds? One cheliped is used for crushing One cheliped is used for grasping/cutting Letter “H” is referring to which part of the crayfish anatomy and what other body part does it use to eat? A. B. J. C. I. H. G. D. E. F. Amazing Anatomy 30 What are the maxillipeds? It works with the mandible to grasp the food the crayfish is eating. Letter “E” is referring to which part of the crayfish anatomy and why would scientists be interested in studying these? A. B. J. C. I. D. H. G. E. F. Amazing Anatomy 40 A. B. What are the walking legs? J. To learn how crayfishC. can regenerate their limbs. D. I. H. G. E. F. Letter “A” is referring to which part of the crayfish anatomy and what does the crayfish do when this becomes too tight? A. B. J. C. I. D. H. G. E. F. Amazing Anatomy 50 What is the cephalothorax? A crayfish molts and a new exoskeleton hardens. You are a researcher examining the effects of different temperatures of water on plant growth. You have decided to water some plants with very cold water (40˚F) and some with very hot water (100˚F). The control group is watered with 70˚F water. You have 15 plants. This is the INDEPENDENT VARIABLE. Scientific Method 10 What are the different temperatures? You are a researcher examining the effects of different temperatures of water on plant growth. You have decided to water some plants with very cold water (40˚F) and some with very hot water (100˚F). The control group is watered with 70˚F water. You have 15 plants. This is the DEPENDENT VARIABLE. Scientific Method 20 What is the plant growth? This is the INDEPENDENT variable Scientific Method 30 What are the brands of fertilizer? This is the DEPENDENT variable Scientific Method 40 What is the average height in centimeters? If the pie chart above was your data, this would be your conclusion. Scientific Method 50 What is chocolate ice cream is preferred by 33% of the people in Twin Groves. Crayfish are omnivorous meaning they eat this. Crazy Crayfish 10 What are animals and plants? A crayfish (usually) has two of these and they are used for this. Crazy Crayfish 20 What are chelipeds? What is getting food and defense? Crayfish do this when their exoskeleton gets too tight. This affects which part of their body? Crazy Crayfish 30 What is molt? It affects their cephalothorax. The exoskeleton is made of this and is used for this. Crazy Crayfish 40 What is chitin? What are protection, movement, and support. (One of these examples will give you credit.) The kingdom, phylum, and class of crayfish are these. Crazy Crayfish 50 What are Kingdom: Animalia Phylum: Arthropoda Class: Crustacean Cannibalistic means this. Vocabulary 10 What is eat their own kind? Semi-terrestrial means this. Vocabulary 20 What is live on land and in water? Habitat means this and give an example of a Crayfish habitat. Vocabulary 30 What is where something lives? A lake, river, stream, or pond. Bilateral symmetry and radial symmetry are different because of this. Vocabulary 40 What is the number of lines of symmetry? Bilateral symmetry: divided into 2 mirror image halves. Radial symmetry: divisible by multiple planes of symmetry. Adaptation means this and give an example. Vocabulary 50 What is to change to survive in the environment and: • • • • • • • • Swim in water and walk on land Semi-terrestrial: can live on land and in water Can breath in and out of water Can eat anything dead or alive Regenerate limbs/appendages Female carries hundred of eggs Almost transparent when born Cannibals when overly populated A female crayfish can lay about how many eggs? Give a range. Fishy Facts 10 What is between 10 and 800? What time of year do crayfish mate? Fishy Facts 20 What is fall? Describe how a crayfish can breath. Fishy Facts 30 A crayfish uses gills to breathe both on land when they are moist and in water. Crayfish react to their environment. This is one way they scare away predators. Fishy Facts 40 This is an overview of a crayfish lifespan. Fishy Facts 50 Crayfish hatches, nearly transparent. Stays near mother until 2nd molt. Grows into adult crayfish. Crayfish mate in the fall. Lay 10-800 eggs if female. Lives 3-5 years.