How do oceans contribute to the amount of Oxygen in the Earth's atmosphere?
Human Dependence on Oceans

Flashcard
•
Science
•
6th - 8th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
Oceans contribute to the Earth's oxygen through phytoplankton, which produce oxygen via photosynthesis.
2.
FLASHCARD QUESTION
Front
What is phytoplankton?
Back
Phytoplankton are tiny, microscopic plants found in oceans that perform photosynthesis and produce oxygen.
3.
FLASHCARD QUESTION
Front
What process do phytoplankton use to produce oxygen?
Back
Phytoplankton produce oxygen through the process of photosynthesis.
4.
FLASHCARD QUESTION
Front
What is ocean pollution?
Back
Ocean pollution refers to the introduction of harmful substances into the ocean, affecting marine life and ecosystems.
5.
FLASHCARD QUESTION
Front
Which of the following is NOT a source of pollution in the ocean: Fertilizers, Sand drifting, Oils, or Emissions?
Back
Sand drifting along the bottom of the ocean floor is NOT a source of pollution.
6.
FLASHCARD QUESTION
Front
What are some common sources of ocean pollution?
Back
Common sources include fertilizers used on land, oils from city streets, and emissions from vehicles.
7.
FLASHCARD QUESTION
Front
Why is oxygen important for marine life?
Back
Oxygen is essential for the survival of marine animals, as they need it for respiration.
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Human Impacts on Ocean Systems

Flashcard
•
6th - 8th Grade
15 questions
Marine Ecosystems

Flashcard
•
6th - 8th Grade
15 questions
Human Dependence on Ocean Systems

Flashcard
•
8th Grade
15 questions
Nurdles, in the ocean!

Flashcard
•
6th - 8th Grade
15 questions
Human Activities & Ocean Systems

Flashcard
•
7th - 9th Grade
15 questions
Unit 8: Human Impact on the Hydrosphere

Flashcard
•
7th Grade
10 questions
Ocean 2 Vocab

Flashcard
•
8th Grade
15 questions
Human Impacts on Ocean Systems ~Clawson

Flashcard
•
6th - 8th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade