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

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.

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

Which of the following plants are described by the following characteristics? -the gametophyte generation is dominant; -lacks vascular tissue, seeds, pollen grains and fruit; -requires water for fertilization; -typically heterosporous

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 gametophyte generation is dominant; -lacks vascular tissue, seeds, pollen grains and fruit; -requires water for fertilization; -typically heterosporous

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