The DNA sequences of four different species of bacteria are shown in the chart. Specles
DNA Sequence
Species 1
ACT GCA CCC
Specles 11
ACA GCA CCG
Specles III
ACT GGT GGA
Specles IV
ACA GCA GGG
According to the chart, which two species are most closely related?

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?