What is 1 + 1= what also 2-2=

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants