4.3 Intruders in an ecosystem

• Bio
• Secondary Education
• Age 13

Lesson 2.4 

Intruders in an ecosystem

13 / 09 / 2022

Choose an emoji to tell us how you feel today.

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• I can define ‘native species’, ‘introduced species’, and ‘invasive species’.
• I can cite 3 ways how an introduced species becomes an invasive species.

GOALS

Lesson 2.4 

Intruders in an ecosystem

13 / 09 / 2022

Let's review!

Words to understand first:

• Native species - an animal or a plant that normally lives and thrives in a particular ecosystem

Words to understand first:

•  (also known as an exotic species) is an organism that is NOT NATIVE to the place and instead has been accidentally or INTENTIONALLY brought to the new location by human activity

Words to understand first:

• Invasive species - an introduced organism that becomes overpopulated and harms its new environment.

Words to understand first:

• Extinct - the death of the last individual of the species

Lesson 2.4 

Intruders in an ecosystem

13 / 09 / 2022

What will happen to the population of sheep in a grassland if a group of tigers is introduced to the habitat? Will it increase or decrease?

QUESTION GOAL

If a group of tigers is introduced to the habitat, then the number of sheep will ______________________because ______________.

My hypothesis

If a group of tigers is introduced to the habitat, then the number of sheep will ______________________ because ______________.

REFLECTION

13 / 09 / 2022

I THINK I NEED MORE PRACTICE ON:
1 -I can define ‘native species’, ‘introduced species’, and ‘invasive species’.
2 - I can cite 3 ways how an introduced species becomes an invasive species.

1

2

1 and 2

I am now confident.

HOW WELL DID YOU PARTICIPATE TODAY?
1 - I need to participate more! ⚠️
2 - I have participated and I will do more next time! ☺️
3 - I did an excellent job today! 🏆

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