A. there are a type of non-living cell that comes alive in a host. b. they are generally 1 - 2 micrometers in size or greater. c. they are generally capable of taking in nutrients and using them for energy. d. all viruses contain dna. e. none of the above are true.

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

What organ systems are working to you cool down after a workout?

What is the compliment dna strand to the following sequence: ttgactaggcta