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Home  arrow Chapter 1  arrow Grade 7 Chapter 1 Quiz

Grade 7 Chapter 1 Quiz



This activity contains 10 questions.

Question 1.
A farmer will soon be enjoying the bounty of this rural garden.

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The soil, plants, air, as well as the insects, birds and rodents that call this garden home are referred to by what term?

 
End of Question 1


Question 2.
The trees near this vineyard in Germany play several important roles in this ecosystem.

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Which of the following is not a part of a tree's role in an ecosystem?

 
End of Question 2


Question 3.

The koi fish in this pond are impatiently waiting to be fed. The food pellets they eat consist of dried bugs, krill and fresh water shrimp. But Koi also enjoy an occasional slice of orange or fresh peas.

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Considering their diet, what type of consumer are the koi fish?
 
End of Question 3


Question 4.
A group of pine siskins are feeding on the thistle seed in this feeder.

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This group of birds is an example of which biotic term?

 
End of Question 4


Question 5.
All biotic elements, like the shrimp seen in this photograph, have five basic needs.

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Which of the following is not one of those needs?

 
End of Question 5


Question 6.
Photosynthesis is a chemical reaction that occurs in the leaves of plants.

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Plant leaves have a special green substance that is needed for the reaction to occur. What is this substance?

 
End of Question 6


Question 7.

Canada’s Aboriginal peoples describe the interactions that occur within an ecosystem as “connections.” One example, off the coast of British Columbia, is the sea otter.

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The sea otter loves to eat sea urchins. By doing so, sea otters help kelp forests healthy. Kelp are the large, green plants that are sometimes referred to as the “trees of the sea”. Sea urchins eat kelp and could soon multiply out of control and damage the kelp forests if the sea otters did not feed on the urchins.

Based on this description, sea urchins are

 
End of Question 7


Question 8.

A coral is an interesting marine organism that is part plant and part animal.

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Coral consists of sea anemone-like polyps that secrete the hard coral reef. This is the animal part. The plant part consists of special algae that use sunlight to supply food to the polyps. These algae found in coral are therefore
 
End of Question 8


Question 9.

Colourful bracket fungi (along with lichens) are growing on this fallen log.

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These fungi are a type of tough, leathery mushroom that get their nourishment from the dead wood of the fallen tree, breaking it down as they feed. Based on this description, the bracket fungi are
 
End of Question 9


Question 10.
What is the definition of the word "ecosystem"?

 
End of Question 10





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