Study Guide - Science CBA #5

What do plants need to make their own food?

• Sun, Water, and Animals

• Sun, Coke, and Soil

• Sun, Water, and Soil

• Nothing at all

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

What are animals called in a food chain?

• Producers
• Consumers
• Decomposers
• Plants

What is the role of a producer?

• Use sunlight to make food
• Gain energy from eating other organisms
• Keep other species from overpopulating
• Breaking down dead stuff 

Which of these organisms would receive energy from the snake?

• Plant
• Rabbit
• Mouse
• Hawk

Plants, insects, frogs, and snakes live in an ecosystem. What would happen if the snakes were removed from the ecosystem?

• Insect population would increase.

• Frog population would decrease.

• Plant population would decrease.

• Frog population would increase.

What is most likely the first thing to result from having fewer field mice in the food chain pictured here?

• The snakes would have to find another food source.

• The plants that make seeds would decrease in number.

• The eagles would have to fly away to a location.

• The mice would eat many more kinds of seeds.

Where do all life forms get their energy?

• Earth's Core
• Water
• Plants
• The Sun

Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?

• The rabbit population may increase
• The rabbit population may decrease
• The rabbit population may increase first, then decrease
• The rabbit population will remain the same