Ecosystems and Populations Practice
📝 Worksheet medium ⏱️ 18 minutes 8 problems
Ecosystems and Populations Practice
Grade 7 Science LearnCrux.com
Name:
Date:
Directions
- Fill in each blank carefully.
- Circle or mark the best answer for each multiple-choice question.
- Match each prompt to the best option before writing your answer.
- Use the larger space to show your thinking on word problems.
1. Match the term to its meaning: population
Match with:
Answer:
2. Which factor is a resource that can limit a population?
3. Match the term to its meaning: biodiversity
Match with:
Answer:
4. A model that shows many feeding relationships is a food __.
5. Why can a drought affect more than one population?
6. Which statement is most accurate?
7. The variety of species in an ecosystem can affect its __.
8. Why can higher biodiversity help an ecosystem recover from disturbance?
📋 Teacher Answer Key
1. a group of the same kind of organism in one area
2. water
3. variety of living things
4. web
5. A drought changes resources such as water and plant growth, which can affect many connected organisms in the ecosystem
6. Changes in one population can affect other populations in the same ecosystem.
7. stability
8. More diversity can provide more ways for the ecosystem to keep functioning when one population declines