BBC3 年
Food chains and webs
A food chain shows the feeding relationship between ... Are you a teacher looking for more resources for your lessons? This video from the Biology with Dr. Chris van Tulleken series explains ...
BBC3 年
Food chains and webs
A food chain shows the feeding relationship between ... Are you a teacher looking for more resources for your lessons? This video from the Biology with Dr. Chris van Tulleken series explains ...
Division of Agriculture and Natural Resources2 天
Erin Leigh Dicaprio
Dr. Erin DiCaprio is an Associate Professor of Cooperative Extension in the Department of Food Science and Technology at the University of California Davis.  She has a B.S. in Biology from Virginia ...
来自MSN3 个月
How does E.coli get on to lettuce? Three ways the bacteria can enter the food chain
Although it is "too early to determine" how the lettuce leaves may have become tainted with the bacteria, the Food Standards Agency (FSA) said it is confident it is the source. The FSA has not ...