Heterogeneous student are found in ​

23. public and private investment in infrastructure include all of the following except a) worker knowledge and skill development b) telecommunication systems, internet provider systems, and power distribution systems c) highways, transit systems, airports, harbors, and educational facilities d) fire departments, police departments, and public safety systems e) water systems, wastewater treatment systems, and navigational systems

What is the function of the organelle labeled a in the diagram?

Which two organisms in the food web would most likely be affected by a decrease in producers, or the plants, at the bottom base of the food web?