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Biology
Science CPT unit 4
Question | Answer |
---|---|
What are the Abiotic factors? | water, light and temperature, soil, nutrients and chemical enviornment |
What are the Biotic factors? | symbiosis, competition, predation |
What are the purpose of guard cells? | opens and closes for gas exchanges |
What is biomagnification? | the increase in concentration as you move up the food chain |
What is produced during the day through he process of photosynthesis? | glucose |
What are two types of acid rain? | sulfric and nitric acid |
What two elements do you mix in order to get sulfric acid? | water and S02 |
In the process of fermentation, what is broken down by decomposers? | glucose |
What are the effects of acid rain? | acid rain dissolves and washes away important nutrients from plants in the soil, it increases the Al3+ in the soil which interferes with tree roots, lowers the PH of lakes making it more acidic and killing aquatic life that inhabit the lake |
What is an ecological niche? | the function of a species it has in the ecosystem |
What is the Ontario green belt act? | a law that protects the area around the GTA from being developed |
What type of bacteria are found in the roots of certain plants? | nitrogen fixing bacteria |
How do plants absorb nitrates? | Plants absorb nitrates from the soil after it rains |