Pre-test Name_________________________ Block_______
Goal 5:Learner will develop an understanding of the ecological relationships among organisms.
Objective 5:01 Investigate and analyze the interrelationships among organisms, populations, communities and ecosystems.
1. In the symbiotic relationship known as _________________________both organisms benefit from the relationship.
2. What are the other symbiotic relationships?
3. What would happen if predators didn’t exist in an ecosystem?
4. Explain the predator-prey relationship.
5. What abiotic factor is necessary for the survival of any animal?
6. What determines the “carrying capacity” of an ecosystem?
7. What is a limiting factor in your environment?
8. How do we determine the diversity of species of a given area?
Objective 5.03 Assess human population and its impact on local ecosystems and global environments
1. What is the term that describes how the suns rays are trapped within our atmosphere?
2. What do humans do to add to the problem of too much sun (or heat)being trapped in our atmosphere?
3. What natural processes release carbon dioxide into the atmosphere?
4. Give an example of an invasive (or non-native) species and tell why it’s not a good thing for our environment?
5. What has led to an increase the population of human beings?
6. If there are more people on the planet, what is there less of?
7. When pesticide builds up in an organism that is consumed by another organism, we call the process of accumulating pesticide in a living organism ________________________________.
8. Who suffers the most from an accumulation of pesticide in the environment?________________________
9. Give an example of a sustainable practice as it relates to the environment.
10. What can you do to be a good steward for the environment?
Objective 5:02 Analyze the flow of energy and the cycling of matter through the ecosystem
1. Describe or draw the carbon cycle, be sure to include photosynthesis and cellular respiration in the description/drawing.
2. Now do the water cycle:
3. Now it’s time for the nitrogen cycle:
4. What are trophic levels and how much energy is passed from one level to another?
