Primary producers make their own food for example plants. As you go into the upper levels of the food chain the energy gets distributed to each level, but they lose some of their energy. Without primary producers alligators will not be able to obtain the energy they need for themselves to survive.
Answer:
to circulate blood and oxygen throughout the body
Explanation:
air moves in and out the lungs through the trachea, bronchi, and bronchioles. blood moved in and out the lungs through the pulmonary arteries and veins that connect to the heart
It makes farmers preform more tasks by hand.
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Their main difference is how they form the daughter cells during cytokinesis. During that stage, animal cells form furrow or cleavage that gives way to formation of daughter cells. Due to the existence of the rigid cell wall, plant cells don't form furrows.
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