2. Using Model 1 and the letters B, D, E, and I, write mathematical expressions to show the types of population described below. Note: The use of > and < may be needed. a. A stable population (total number of organisms is not changing). b. A declining population (total number of organisms is decreasing). c. A growing population (total number of organisms is increasing).

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).