What are krill?
Plankton

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
Krill are small shrimp-like crustaceans that live in dense groups and serve as a crucial food source for many baleen whales.
2.
FLASHCARD QUESTION
Front
What does the term 'plankton' mean?
Back
The term 'plankton' means 'drifter' or 'wanderer', referring to organisms that drift in water currents.
3.
FLASHCARD QUESTION
Front
What nutrients can cause harmful algal blooms (HABs) when added to water?
Back
Nitrogen and phosphorus are the limiting nutrients that can lead to harmful algal blooms when introduced into aquatic environments.
4.
FLASHCARD QUESTION
Front
True or False: Photosynthetic organisms in the ocean produce at least 50% of the oxygen we breathe.
Back
True.
5.
FLASHCARD QUESTION
Front
What type of plankton are comb jellies (ctenophores)?
Back
Comb jellies (ctenophores) are classified as zooplankton.
6.
FLASHCARD QUESTION
Front
What is phytoplankton?
Back
Phytoplankton are microscopic plants that live in water and perform photosynthesis, producing oxygen and serving as a primary food source in aquatic ecosystems.
7.
FLASHCARD QUESTION
Front
What is zooplankton?
Back
Zooplankton are small, often microscopic animals that drift in water and feed on phytoplankton and other small organisms.
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Marine Science Final Exam Review

Flashcard
•
9th - 12th Grade
15 questions
Aquatic Biomes

Flashcard
•
9th - 12th Grade
15 questions
Plankton and Marine Plants

Flashcard
•
10th - 12th Grade
15 questions
Aquatic Biomes

Flashcard
•
9th - 12th Grade
15 questions
Human Impact #1 -Pop./Acid Rain/Eutrophication/Invasive species

Flashcard
•
9th - 12th Grade
15 questions
Seaweed and Algae

Flashcard
•
9th - 12th Grade
15 questions
Ocean Currents

Flashcard
•
9th - 12th Grade
15 questions
Plankton Assessment

Flashcard
•
9th - 12th 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