1. The population of a species in an ecosystem can be influenced by:
- The availability of food and water
- The presence of predators or competitors
- Disease and parasites
- Climate and weather conditions
- Human activities (e.g., habitat destruction, pollution, hunting)
2. If the population of a predator species increases in a given forest, the most likely outcome for its prey population is:
- It will decrease
3. Humans can affect temperate forest ecosystems in several ways:
- Deforestation for agriculture, logging, or urban development
- Pollution (air, water, soil) from industry and vehicles
- Introduction of invasive species that disrupt native populations
- Climate change due to greenhouse gas emissions, altering temperature and precipitation patterns
- Overhunting or overfishing, reducing key species populations
- Conservation efforts such as reforestation, protected areas, and sustainable resource management
Parent Tip: Review the logic above to help your child master the concept of free 4th grade science worksheet.
