Symbiotic Relationships and Food Web Test

Which type of symbiotic relationship do the Deer and Tick have?

• Mutualism
• Parastisim
• Commensalism

Which is NOT true of decomposers?

• obtain energy and nutrients by breaking down the remains of other organisms
• recycle nutrients from dead matter back into the soil
• breakdown consumers and producers by chemical reactions
• use energy released from rearranged molecules for their own growth.
• can perform photosynthesis by using sunlight to make sugars

In the Deer and Tick relationship, the deer is the ______ while the tick is the ________.

• host, parasite
• parasite, host

A cattle egret (bird) follows cattle and eats the insects that are stirred up by the movement of the cattle through the grass. Which type of symbiotic relationship do the Egret and Cow have?

• pasristism
• commensalism
• mutualism

Which word means not helped or harmed in a relationships exhibiting commensalism?

• unhinged
• unaffected
• undercover

In a pond behind the school, students observed several interactions. Read the journal entries below to  nd out what they saw. • Aquatic snails were found only on the algae-covered rocks. • Snails, frogs, and small fish were harder to find after a flock of birds came to the pond. • Frogs sat in the shallow water when adult mayflies were present. • Small fish were seen eating mayfly larvae in the water. • More mayflies were present when the amount of algae increased in the pond. If a food web was constructed with this info, does this one below look correct?

• True
• False

In a pond behind the school, students observed several interactions. Read the journal entries below to  nd out what they saw. • Aquatic snails were found only on the algae-covered rocks. • Snails, frogs, and small fish were harder to find after a flock of birds came to the pond. • Frogs sat in the shallow water when adult mayflies were present. • Small fish were seen eating mayfly larvae in the water. • More mayflies were present when the amount of algae increased in the pond. Which category of organisms is missing from the students’ observations? (Mark the one best answer.)

• ❍ A The Sun
• ❍ B Producers
• ❍ C Decomposers
• ❍ D Tertiary consumers

A spider eats a y. Which direction does the arrow go to describe the feeding relationship? (Mark the one best answer and draw the arrow.)

• ❍ A From the spider to the fly
• ❍ B From the fly to the spider

The photo below shows fly eating a spider. The arrow follows the direction that food goes. The spider goes into the fly to feed the fly

• True
• False

What do primary consumers eat?

• ❍ A Other primary consumers
• ❍ B It depends on their specialized diet.
• ❍ C Producers
• ❍ D Nothing; they create food using energy from the Sun