Which types of proteins defend the body against foreign agents like bacteria?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel