What component of earth’s atmosphere exists entirely as a result of photosynthesis?

a)oxygen gas

b)water vapor

c)nitrogen gas

d)carbon dioxide gas

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

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

Kate is studying the transformation from unicellular to multicellular organisms. which metaphor is the most appropriate to apply to the map of the timeline.