Answer the following: 1. which of the following contain only prokaryotes?

a.) domains archaea and bacteria.
b.) domains bacteria and eukarya.
c.) domains archaea and eukarya.
d.) only domain eukarya

2. bacteria and archaeans have which of the following characteristics in common?

a.) both are eukaryotic.
b.) both are prokaryotic.
c.) they are more similar to each other than to eukaryotes.
d.) they both have a nucleus.

For a to be healthy, it has to have lots of different kinds of plants and animals. all of the different types of plants and animals in an ecosystem. name four types of ecosystems from those listed in the video. b) c) d) most living things live here. all living things depend on how an ecosystem like a game of sticks? why should we build new buildings on existing land? name four extinct species from those listed in the video. b) c) d) the best way to wipe out a species is to the largest ecosystem in the world is this percent of the world is covered by water. how many of all species in the world live in the ocean? list five things you can do to increase biodiversity. b) c) d) e) how many species are we losing per hour?

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

About __ of the mass of the cell is water