Environmental Change & Abiotic + Biotic

Question 1

What are indicator species?

Answer 1

Species that show us whether there is pollution in an area.

Question 2

Name a couple of pollution indicators

Answer 2

Lichen

• lots of lichens=clean area
• sensitive to sulfur dioxide

Stone flies

• found in clean streams gravel
• have to live in high oxygenated areas

Question 3

What is Biotic? Give some examples

Answer 3

• Living things
• Affect other organisms
• Shape our ecosystem

Examples: ? and ?

Question 4

What is Abiotic? Give some examples

Answer 4

• Non-living things
• Affect ecosystem

Examples: ☀️ and ?