Show:
Oceans
Ocean layers
Adaptations
Plankton
Mixed Review
100

What is the largest ocean?

The pacific ocean 

100

Name 3 layers/zones of the ocean. 

intertidal zone

sunlit zone

twilight zone

dark zone

abyss 

100

What is bioluminescence? How does it help animals survive? 

Bioluminescence is when animals make light, this helps attract prey
100

What are plankton?

tiny drifters that can't swim

100

How many oceans are there?

5

200

What is the northern most ocean?

The arctic ocean
200

What is the name of the uppermost light zone?

sunlit zone 

200

What is schooling? How does it help animals survive?

Schooling is when sea life travel in a group, it protects them by scaring predators and protecting them from predators 

200

In which layer/zone of the ocean are most plankton found?

sunlit zone 

200
When oceans have nutrients, they have a lot of ________. 

plankton

300

What is the southern most ocean? 

The Southern ocean

300

What are the deepest areas of the ocean? 

trenches 

300

What is countershading? How does it help animals survive?

Countershading is when an animal's belly is white and their backs are dark, it helps them survive by helping them blend in when seen from above or below

300

What is the base of all ocean food webs?

plankton

300

What is bycatch fishing?

-when fishers catch animals they didn't mean to catch

-40% thrown back in the ocean

400

Is low tide or high tide always covered by water?

low tide 

400

What is the name of the zone where there is little sunlight so animals use bioluminescence? 

Twilight zone

400

What is filter feeding? How does it help animals survive? 

Filter feeding is when animals eat by keeping their mouths open and straining out food, this helps animals because they don't have to chase down and hunt prey

400

What are zooplankton?

tiny animals (consumers)

400
How are coral reefs formed?
When coral polyps die and leave behind their skeletal structure
500

About what percent of earth is covered by oceans?

70% 

500

Which zone of the ocean involves crashing waves, changing temperatures, changing moisture and changing salinity?

Intertidal zone

500

What is streamlining? How does it help animals survive?

Streamlining is when animals have a pointed, bullet shape nose, it helps them survive by helping them cut through/swim through water easily

500

What are phytoplankton? 

small plants (producers that go through photosynthesis)

500

List 3 adaptations of animals who live in the intertidal zone. 

1. hard shells 

2. attach to surfaces

3. burrowing

4. breathe water and air