E.O.Y. Quiz #3

Which food chain shows one way that energy can flow through this ecosystem?

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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

Which diagram will explains why we have day and night and why the sun appears to cross the sky? ​ (a)   ​

• Diagram A
• Diagram B

What 3 organisms are in competition for the herbivores?

• Flies

• Frogs

• Worms

• Birds

• Lizards

Match the Symbiotic forms with the correct picture.

• Parasitism

• Fleas on a Wolf
• Mutualism

• Barnacles on a Whale
• Commensalism

• Birds on a Rhinoceros

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

Based on the force each ball is pushed with, which picture would show the correct distance each ball will travel in 3 seconds?

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Based on the Force Effect of arrow 1 the ball will ​ ​ (a)   and the Force Effect of arrow #2 will cause the ball to ​ (b)   .

• speed up
• change direction
• slow down
• stop

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