Your immune system protects you from bacteria and viruses. Sometimes it misreads a harmless substance as a threat. When that happens, your body creates chemicals, like histamine, that trigger an allergic reaction. It's unclear what causes your immune system to make the mistake about certain things.
<span>D.both male and female reproductive parts.</span>
1) control - does not get independent variable 2) experimental - gets the independent variable 3) independent variable - is being changed/controlled 4) dependent - is being tested
4%= 3000kg
100(3000/4)= total biomass of tree= 75000kg
In order to be classified as a living thing an organism must share or have the characteristics that define for what a living thing is ought to be, can grow and develop, can respond to stimuli in the environment, and more.
The most fundamental are that organisms must be composed of cells, regardless whether that it is prokaryotic and or eukaryotic. All living things must be made of cells.
