1 Mechanical digestion is evident, where one can see the breaking down of large food particles into smaller ones after being ground by the teeth. 2  While the chemical changes that take place happen within the body and are not visible.
Using a pre-emergent herbicide around your property could stop these territorial plants from overtaking your home's most valued green space. Pre-emergent herbicide is a type of weed killer that prevents weed seeds from sprouting. Unlike normal herbicide, it is meant to stop weeds from growing in the first place by spraying or spreading a chemical onto the soil so that weeds have difficulty placing down their roots.
(Jones p. 5). Emergent curriculum is a way of planning curriculum based on the studentâs interest and passions as well as the teacherâs. To plan an emergent curriculum requires observation, documentation, creative brainstorming, flexibility and patience.nother emergent curriculum in the education of 3, 4, and 5-year-olds is helping them make the connection between symbols and objects.