Consider the following food chain: plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. what will happen to snakes in the long term if mice become extinct? a. the number of snakes will increase temporarily, and then decrease. b. the number of snakes will decrease permanently, but they will not die out completely. c. the number of snakes will decrease temporarily and then increase. d. snakes will die out if they do not find an alternative food source.

In the food chain you have just described, mice are the snakes main/only food source. If mice become extinct, the snake population will decrease until the point where they die out, if no other food source is found.

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one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.