Ecology Activity

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 2

Activity

Assignments on Classroom:

ONLY ONE DOCS PER GROUP

Assignments on classroom:

"Ecology lesson 6"

ANSWERS

Assignment 1 - R:

Group the loose cards according to the 4 following groups:

1. Decomposers
2. Producers
3. Primary consumers
4. Secondary & Tertiary consumers

Assignment 1 - R:

Photo of group 1: Decomposers 

Assignment 1 - R:

Photo of group 2: Producers

Assignment 1 - R:

Photo of group 3: Primary consumers

Assignment 1 - R:

Photo of group 4: Secondary & Tertiary consumers

Assignment 2 - T1:

Find the requested food chains in the food web, even lay the cards out if it helps and write them down below, please do not include decomposers. 

1.  Find a food chain in which the Hawk is a tertiary consumer:
2. Find a food chain in which the Hawk is a secondary consumer:
3. Find a food chain with a Tarantula :
4. Find a food chain in which the Rattlesnake is a secondary consumer:
5. Find a food chain of 5 trophic levels:

Assignment 2 - T1:

1. Find a food chain in which the Hawk is a tertiary consumer:

GRASS --> GRASSHOPPER --> LIZARD --> HAWK

2. Find a food chain in which the Hawk is a secondary consumer:

GRASS --> RABBIT --> HAWK

3. Find a food chain with a Tarantula:

STARCACTUS --> KANGAROO RAT --> TARANTULA --> RATTLESNAKE --> HAWK

4. Find a food chain in which the Rattlesnake is a secondary consumer:

GRASS --> RABBIT --> RATTLESNAKE --> HAWK

5. Find a food chain of 5 trophic levels:

GRASS --> GRASSHOPPER --> LIZARD --> RATTLESNAKE -->  HAWK

Assignment 3 - T2:

Answer the following question about a new situation in our desert ecosystem. A virus destroyed the Kangaroo rat population in the summer of 2018, causing its extinction in this ecosystem. No need to include decomposers.

1. Which organisms would be directly affected by this extinction? (one step)

2. Which organisms would be indirectly affected by this extinction? (two steps)

3. Which of the above 7 organisms will increase in numbers?

4. Which of the above 7 organisms will decrease in numbers?

DIRECTLY AFFECTED:

STARCACTUS

TARANTULA

RATTLESNAKE

HAWK

INDIRECTLY AFFECTED: 

RABBIT

GRASHOPPER

RATTLESNAKE

LIZARD

INCREASE:

STARCACTUS

RABBIT

GRASHOPPER

DECREASE: 

TARANTULA

RATTLESNAKE

HAWK

LIZARD

Assignment 4 - I:

Researchers have been researching the populations of this ecosystem for many years now. Researchers can use a quadrat or the capture-mark-release method. Categorise which method you would use for which organism below:

QUADRAT:

STARCACTUS

GRASS

CACTUS

CAPTURE- MARK - RELEASE: 

RABBIT

KANGAROO RAT

GRASSHOPPER

TARANTULA

LIZARD

RATTLESNAKE

HAWK

HW FOR LESSON 7

WORK THROUGH THE PRESENTATION ON LESSONUP CALLED:

YR2-CH18-HW7