How Crabs Find Plankton
Grade 8th Grade · Science · 45 min
What's Included
Learning Objective
I can describe how crabs use their senses to find plankton near the ocean floor.
Warm-Up Video
Hakai Institute · 3:29
Microworlds: Surviving the Open Ocean
Guided Notes
3 key concepts
- 1
Plankton, from the Greek word for wanderer, are plants and animals that drift through the ocean.
- 2
Phytoplankton are plant-like organisms powered by the sun through photosynthesis, producing at least half of the oxygen we breathe.
- 3
Some plankton, like squat lobsters, only spend the first part of their life as plankton before settling on the sea floor, while others, like moon jellyfish, start on the ocean bottom before becoming planktonic nomads as adults.
Practice Questions
10 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe how squat lobsters use their senses to find plankton before they settle on the sea floor.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
