Download Science 7 Interactions within Ecosystems Assessment How could

Interactions within Ecosystems Assessment
Science 7
1. How could Indigenous knowledge help you to understand your ecosystem better? You may
wish to include diagrams with your written answer.
Hint: Include topics such as:
 connections between people and their ecological environment,
 oral tradition
 respect
(IE 7.1)
2. Explain how living organisms within local ecosystems are part of interconnected food webs,
populations and communities. You may wish to include diagrams with your written answer.
Hint: Include topics such as:
 Biosphere, ecosystems, biomes
 biotic, abiotic
 producers, consumers, decomposers
 omnivores, herbivores, carnivores
 food chain
(IE 7.2)
3. Explain and evaluate how biogeochemical cycles (water and carbon) are representations of
energy flow and the cycling of matter through ecosystems. You may wish to include diagrams
with your written answer.
Hint: Include topics such as:
 ecological pyramid, pyramid of numbers, pyramid of biomass
 decomposers
 Photosynthesis
 cellular respiration
 removal of one or more living organisms from a specific ecosystem
 new technologies (fertilizer)
(IE 7.3)
4. Analyze how ecosystems change in response to natural and human influences, and propose
actions to reduce the impact of human behavior on a specific ecosystem. You may wish to
include diagrams with your written answer.
Hint: Include topics such as:
 Succession
 pioneer species
 climax community,
 clear cutting
 landfills
(IE 7.4)