Most earthworms are… Male Female Male and Female Male Changes to Female Each worm has testes and ovaries.
Most of the earthworms we have now were brought here by Europeans starting in the 1600s.ħ What is the longest earthworm in the US?ģ feet 7 feet 9 feet 12 feet The Oregon giant earthworm is 3 feet! TremorsĨ Male Female Male and Female Male Changes to Female During the last ice age, which happened 10,000 years ago (Pleistocine Era), glaciers swept across the US and Canada and wiped out most native earthworms. Presentation on theme: "Liz Getsinger BCPS Green School summit"- Presentation transcript:ĮEK! Worm Composting 101? Liz Getsinger BCPS Green School summitģ 25% of food Americans buy is thrown into a landfillġ2.7% of our waste stream is food waste According to the EPA (Environmental Protection Agency)… Methane (CH4) is 21 times more potent than carbon dioxide and contributes more to global warming.Ĥ Due to BCPS Rules, we can’t put vermicompost on edibles, only butterfly gardens, classroom plants, etc.Ħ In Canada and the Northern US, most native earthworms got wiped out by:ĭisease drought floods glaciers Did you know most of the worms in our soil currently are invasive species?.
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