Print and cut these cards in advance. You can adjust the
numbers to match your class size, but attempt to keep the
numbers proportional; eliminate top-level consumers first if
necessary. Members of this food web include:
Phytoplankton
- microscopic plants that drift near the
ocean's surface
- absorbs sunlight and nutrients from
water
- diatoms are one of the most common kinds of
phytoplankton
|
Zooplankton
- tiny animals that live near the ocean's
surface and in deeper waters
- some kinds of zooplankton feed on
phytoplankton; others feed on other
zooplankton
- most are very small, though some, such as
krill, grow to be several inches long
|
Rock scallop
- a shellfish that lives on the ocean
bottom
- the largest living scallop; it can grow to
be 4 to 11 inches long
- eats phytoplankton, along with other small
particles of food
|
Northern anchovy
- a small fish that usually stays near the
ocean's surface
- feeds mostly on zooplankton
- netlike parts of its gills strain
zooplankton from water
|
Chub mackerel
- swims near the ocean's surface and in deeper
waters
- feeds on krill (a kind of zooplankton),
squid and anchovies
|
Giant Pacific octopus
- spends most of its time on the ocean
bottom
- feeds on shrimp, crabs, scallops, abalones
and clams
- traps prey with its arms, then tears it with
its sharp beak
|
Blue shark
- found near the ocean's surface and in deeper
waters
- feeds on squid and fish such as anchovies
and mackerel
|
Northern fur seal
- spends most of its time near the ocean's
surface
- eats squid and small fish such as anchovies
and herring
- may dive 300 feet in search of prey
|
Humpback whale
- found near the ocean's surface and to depths
of about 130 feet
- eats mostly krill and other types of
zooplankton; sometimes eats anchovies and other
small fish
|
Killer whale
- usually found near the ocean's surface
- eats other whales (such as humpbacks),
seals, and fish such as mackerel
|
The sun
- provides energy for plants to
photosynthesize
|
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