🌎 영어로 배우는 과학! | What Is Lichen?

지의류는 친구랑 같이 사는 곰팡이!


✔ 학습 목표

  • 지의류(lichen)가 무엇인지 알 수 있어요.
  • 지의류를 구성하는 생물들을 이해해요.
  • 공생(symbiosis)의 개념을 배워요.

🧠 개념 한눈에 보기

  • 🌱 Lichen is a team of a fungus and an alga.
  • 🧫 They live together and help each other grow.
  • 🧬 This teamwork is called symbiosis.
  • 🧪 Some lichens also include yeast!

📘 Extended Reading Passage

Have you ever seen colorful spots on rocks or tree bark?
Those are lichens, and they are special!

A lichen is not just one organism.
It is made of a fungus and an alga (or cyanobacteria) living together.
The fungus gives the shape and protection.
The alga makes food using sunlight.
This is called symbiosis—a way two organisms help each other.

Some lichens even include yeast, adding to the team!

Lichens can grow in hard places like rocks or deserts.
They are small but very strong.
They show us how working together helps life survive.


📊 비교표: Lichen vs Single Organism

항목LichenSingle Organism
구성 생물Fungus + Alga (+ Yeast)하나의 생물만
생존 방식서로 도움 주고받기혼자 살아감
햇빛 이용Alga가 광합성자체 처리 또는 없음
환경 적응력매우 강함보통

✏️ 미니 퀴즈

Q1. What is a lichen made of?
A. Only fungus
B. Only algae
C. Fungus and alga (and maybe yeast)
D. Just rocks and water

Q2. What does the alga do in the lichen?
A. Provides shape
B. Eats the fungus
C. Makes food with sunlight
D. Hides in soil

Q3. What is “symbiosis”?
A. One organism hurting another
B. Two organisms helping each other
C. A type of plant
D. A kind of fungus


✔ 정답 및 해설

  • Q1 – C. Fungus and alga (and maybe yeast) → Lichens are a mix of different organisms.
  • Q2 – C. Makes food with sunlight → Algae use sunlight to make food.
  • Q3 – B. Two organisms helping each other → Symbiosis means living and helping together.

🔤 어휘 정리표

영어 단어영어 뜻한글 뜻예문
lichenfungus + algae team지의류Lichen grows on rocks and trees.
algaeplant-like living thing조류(식물처럼 광합성)Algae make food using sunlight.
fungusnon-plant organism (like mold)곰팡이류Fungus gives shape to the lichen.
symbiosisliving together and helping공생Lichen shows a good example of symbiosis.
organismany living thing생물Every organism needs water to live.
combineto join together결합하다The lichen combines a fungus and an alga.

📌 교과 연계 정보

  • 초등 과학 5~6학년: 생물의 구조와 특징
  • 중학교 과학 1학년: 생물 간의 관계, 공생 개념
  • 고등학교 생명과학 I: 생물의 다양성과 분류, 생물 간 상호작용
  • 영어: 과학 개념 설명문 + 어휘 학습
    ※ 본 콘텐츠는 『초등 과학 5학년 – 생물과 환경』, 『중학교 과학 – 생태계와 생물의 상호작용』, 『고등학교 생명과학 I – 생물의 다양성 및 생태계』 단원과 연계됩니다.

💡 감성 마무리 문장

서로 도우며 살아가는 작은 생물들처럼,
우리도 함께할 때 더 강해질 수 있어요.


🔗 관련 영상 보기

👉 Watch a fun video about lichens and teamwork!



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