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Orcas, Salmon, and Streams

Total questions: 12

Worksheet time: 3mins

Name
Class
Date
1.

How much of the Southern Resident Orca population diet is salmon?

a)

90%

b)

50%

c)

0%

d)

75%

2.

Why is it important that the water be shaded?

a)

It helps the water flow faster.

b)

It helps keep the water cool.

c)

It changes the PH of the water.

d)

It looks pretty.

3.

What is one way native vegetation on the banks of waterways helps salmon?

a)

It is less prickly than blackberries!

b)

It helps bird habitat.

c)

It helps filter the water from roads before it goes into the creek.

d)

It looks pretty.

4.

How is erosion harmful for salmon?

a)

It makes it hard for them to eat.

b)

It clogs their gills and makes it hard for them to breathe.

c)

It makes the banks slippery for climbing.

d)

It washes away trails.

5.

Why is a diversity of vegetation better than just one species?

a)

It's good for birds.

b)

It isn't because blackberries are delicious.

c)

It looks pretty.

d)

Lots of different plants lead to lots of different bugs, which feed the salmon fry.

6.

Why is it important that water be constantly flowing?

a)

Because ants are red.

b)

It helps the birds.

c)

It looks pretty.

d)

It keeps the water oxygenated.

7.

Why does large, woody debris help salmon?

a)

It provides shelter, and supports the macroinvertebrate population, which salmon fry eat.

b)

It doesn't.

c)

It looks pretty.

d)

It's good for birds.

8.

What are the 6 Cs?

a)

Cool

Clean

Clear

Critters

Constantly Flowing

Cover

b)

Cabbages

Coffee

Cats

Candy

Coyotes

Cash

c)

Water

Logs

Food

Flow

Hiding

Not Dirty

9.

How do orcas hunt?

a)

Filter feeding

b)

Archery

c)

Echolocation

d)

DoorDash

10.

What is the Southern Resident Orca's favourite food?

a)

Pizza

b)

Silver

c)

Coho

d)

Chinook

11.

What are the names of the Southern Resident Orca pods?

a)

J, K, L

b)

E, F, G

c)

A, B, C

d)

X, Y, Z

12.

Biggs orcas (also known as Transient orcas) primarily hunt...

a)

Marine mammals

b)

Lasagna

c)

Salmon

d)

Salad