How do ecologists measure population density?

How does the nervous system affect the excretory system?

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

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes