2. Which of the following is a main part of the cell theory?
a. All organisms are made up of one or more cells.
b. All the life functions of an organism occur within cells.
C. All cells come from preexisting cells.
d. All of the above

Genetic diversity is the variation in the genes of an entire species. each circle represents a population of a particular species in different habitats. select the population with maximum genetic diversity

The deserts of the sahara and australia are associated with

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto