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Referring to the image above, the small intestine is represented by _______.

Referring to the image above, the small intestine is represented by _______. 

Referring to the image above, the heart is indicated by _______.

Referring to the image above, the swim bladder represented by _______. 

The letter B in the image of a typical sponge above is _______.

Match the following function with its respective term: Contains the young sporophyte (embryo) as well as a food supply (e.g. endosperm) and a protective coat.

Referring to the image above, the swim bladder represented by _______. 

The structure that is the site of spore production specifically in lycophytes is the _______.

The structure that is the site of spore production specifically in lycophytes is the _______.

Which of the following plants are described by the following characteristics? -the sporophyte generation is dominant -possesses vascular tissue, pollen grains, seeds, fruit -does not require water for fertilization -heterosporous