E.O.Y. Quiz #3

If the Arctic Cod die out, what 2 organisms would decrease?

• Humpback Whale

• Harp Seal

• Jellyfish

• Harbor Seal

What organism uses photosynthesis as a source of energy? (a)  

• Grass
• Crickets
• Hawk
• Flies
• Sparrow
• Rattle Snake
• Lizard
• Frog
• Earth Worm

Many of the wolves on this island die from a disease. Which statement identifies the next change to this food chain?

• The plant life will slowly increase

• The plant life will quickly decrease

• The number of moose will slowly increase

• The number of moose will quickly decrease

On Monday Dr. Jeff did an experiment. Why did plant B do better? ​ (a)  

• Plant B had fertilizer
• Plant B had more dirt
• Plant B had less water
• Plant A had more sunlight
• Plant B had more oxygen

What 3 organisms are in competition for the herbivores?

• Flies

• Frogs

• Worms

• Birds

• Lizards

Which symbiosis picture is parasitism? (a)  

• Barnacles on a Whale
• Birds on a Rhinoceros
• Fleas on a Wolf

If you want the launcher to make the ball go faster what 2 things can you do?

• Decrease the mass of the ball

• Increase the mass of the ball

• Increase how far you pull back the knob

• Decrease how far you pull back the knob

Which hockey puck will go down faster? (a)  

• Hockey Puck A
• Hockey Puck B

What can be done to make the truck go faster? (a)  

• Increase the size of the rope
• Decrease the size of the rope
• Decrease the mass in the truck
• Increase the mass in the truck

What is happening with the speed of the cow? (a)  

• The cow's speed is staying constant
• The cow's speed is increasing
• The cow's speed is decreasing