Middle School Life Science Quiz
20 questions · no time limit
0:00
ECOSYSTEMS: INTERACTIONS, ENERGY, AND DYNAMICS
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
A pesticide spill occurred near a pond between Year 1 and Year 2. Disturbances can change population dynamics. The algae population (cells per mL) was measured:
- Year 1 (before spill): 300
- Year 2: 80
- Year 3: 120
- Year 4: 200
- Year 5: 260
Which explanation best describes the population response using evidence from the data?
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCD
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end