A scientist is trying to measure the rate at which certain organisms undergo binary fission. The scientist takes a colony of bacteria from the soil and a colony of bacteria from a pond. He puts both in weak aqueous solutions and measures the rate at which they increase. The bacteria from the pond multiply much faster in the condition, and the scientist declares them the species that undergo binary fission more often. Why is this a bad test of reproductive rate? Your

The soil bacteria are at a disadvantage because they have not evolved for weak aqueous solutions.

One colony of bacteria got oxygen the other did not.

With so many bacteria in a colony, it is impossible to count them.

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

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

How is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants,the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.