Some animal cells, such as amphibian eggs, never have a complete ring, but form a spreading arc
! I don’t know if that’s what you’re talking about !
Digestion begins in the mouth. Saliva contains enzymes which begin to break down food. The mouth also uses the teeth and jaw to mechanically break down food.
Limiting factors for snakes can include frogs, grasshoppers, farmers, pesticides, weather, climate, the environment, and various other abiotic and biotic factors.
Those specified however were also specified within the prompt. These are limiting factors because they can limit or help excel the snake population growth, yet in this prompt it is shown to greatly diminish the growth.
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The iris controls the amount of light that enters the eye by opening and closing the pupil. The iris uses muscles to change the size of the pupil. These muscles can control the amount of light entering the eye by making the pupil larger (dilated) or smaller (constricted).
D)Electron transport chain
