17

Lesson 17 of 84 ยท Ecosystems

Simulation

Symbiosis: Living Together

What You'll Learn

Symbiosis is a close relationship between two different species. In mutualism, both benefit; in parasitism, one benefits while the other is harmed; in commensalism, one benefits and the other is unaffected.

Key Words

  • trait
  • dominant
  • recessive

Steps

Step 1 โ€” Read

Read and learn: Symbiosis is a close relationship between two different species. In mutualism, both benefit; in parasitism, one benefits while the other is harmed; in commensalism, one benefits and the other is unaffected.

Step 2 โ€” Do

Gather your materials and set up your workspace.

Step 3 โ€” Observe

Use your senses (except taste) to describe what you notice.

Step 4 โ€” Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

What is symbiosis?

Symbiosis: Living Together โ€” Ecosystems | 7th Grade Science | LittleActivity | LittleActivity