inquiry of snakes
DESCRIPTION
Inquiry of snakes. Course / Grade Level: Biology II / 10 – 12 Lesson Objective: Standard number 1.0 Students will observe a variety of organisms representing a major group of vertebrates, to gain an understanding of increasing complexity. - PowerPoint PPT PresentationTRANSCRIPT
Inquiry of snakes
• Course / Grade Level: Biology II / 10 – 12• Lesson Objective: Standard number 1.0
• Students will observe a variety of organisms representing a major group of vertebrates, to gain an understanding of increasing complexity.
• Students will compare and contrast snakes from simplest to most complex with regard to anatomical differences.
by: Laicee Peerman
Snakes
• Snakes are reptiles.• Reptiles are cold-blooded
and have skin that is covered with scales
• Most snakes lay eggs others don’t lay eggs but hold them inside until they hatch
• Snakes have no legs and no ears.
• They are skilled predators, snakes help maintain the balance of nature by eating prey that reproduces frequently, everything from earthworms to rabbits.
• Snakes are especially important in the control of rodents such as mice and rats.
Choose a characteristic that you want to inquire about:
Assignment Coloration
• Your job is to compare and contrast the coloration of the snakes on the following pages to their surroundings. If you have questions, write them down.
Water Moccasin Venomous
Mojave Desert Sidewinder
Eastern Rat Snake
Coral Snake Venomous
Eastern Hognose
Snake Coloration
Assignment Snake Tails
• Your job is to compare and contrast the characteristics of each snake’s tail on the following pages. Of you have questions, write them down.
Mojave Desert Sidewinder Venomous
Boa Constrictor
Pygmy Rattlesnake Venomous
Coral Snake Venomous
Timber Rattle Snake Venomous
Snake Tail
Assignment Constrictors
• Your job is to compare and contrast the characteristics of the constrictors on the following pages. If you have questions, write them down.
Black Rat Snake Constrictor
Boa Constrictor
Red Tailed Boa Constrictor
Python Constrictor
Albino Boa Constrictor
Constrictor Snake
Assignment Length/Width
• Your job is to compare and contrast the different snakes on the following pages to determine the differences between the length and width of each snake. If you have questions, write them down.
Copperhead Venomous
Western Diamondback Rattle Venomous
Coral Snake Venomous
Eastern Rat Snake
Boa Constrictor
Red Tailed Boa Constrictor
Snake Length / Width
Helpful web sites to explore your questions:
• http://www.tpwd.state.tx.us/adv/kidspage/snakes/psnakes.htm
• http://www.everwonder.com/david/snakes/
• http://pelotes.jea.com/vensnake.htm
• http://www.venomous.com/
By now you should have
• A list of all of your observations
• A list of questions about the things that you want to student further
Once you have finished, please return to your seat and wait for the teachers instructions.