a student is developing a plant cell model. The model includes a lysosome. The lysosome will be modeled using a beaker filled with hot water. The action of the lysosome will be demonstrated by placing a sugar cube into the water and observing it as it dissolves. Which statement best evaluates this lysosome model?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

In the diagram below, the northern hemisphere would be in what season at position a a. fall b. winter c. summer d. spring

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community