Because there always needs to be something that starts it off. Eg: If there was no grass, there would be no animals.
Answer:
waste of other animals,eating dead animals and plants
<span>The shallow depths increases the rate of evaporation </span>
True breeding is when the plants are allowed to self-pollinate, the organism will produce a product identical to themselves
Allow the blue flower to self pollinate with another blue flower, making the offspring a true blue flower
