The table shows the average population of two competing weeds over a square meter of ground in a georgia field. the table also gives the average rainfall for five successive years.
what percentage of the weeds growing in 1984 were chicory?

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.

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

Why do we perceive objects as retaining their brightness under different lighting levels?