How do Organisms Compete and Survive in an Ecosystem?

Frogs, waterlilies, insects, duckweed and protists are examples of a pond ecosystem's _______________

• compitition
• population
• prey
• predator

During the winter food becomes scarce which force deer to ________________ for food.

• populate
• commune
• compete
• adapt
• Option 2

Read the table on page 219. Which animal has a greater percentage of survival during the first year. Make sure you compare how many are born to how many survive to get your percentage.

• Bald Eagle
• Green Sea Turtle
• Trout

All of the following are adaptations mentioned in the book except:

• tiger's coloring
• turtles burrowing in the mud
• birds chirping
• smelly plants

A type of symbiosis where both organisms benefit?

• mutualism
• commensalism
• parasitism

A type of symbiosis where one organism benefits and the other is not really affected?

• mutualism
• parasitism
• commensalism

A type of symbiosis where one organism benefits and the other suffers?

• mutualism
• commensalism
• parasitism

For a certain type of fish, only 5 of every 100 eggs hatch and survive to adulthood. If this fish lays 5,000 eggs , how many will become adults?

• 500
• 250
• 100
• 50

Which of the following is an example of a producer in a pond ecosystem?

• Frog

• Waterlily

• Insect

• Fish

What is the primary role of decomposers in an ecosystem?

• To provide shelter for smaller organisms

• To compete with other organisms for resources

• To break down dead organisms and recycle nutrients

• To produce energy through photosynthesis