Common names: massasauga, black massasauga, black rattler, more. The massasauga (Sistrurus catenatus) is a venomous pitviper rattlesnake species found primarily in the United States.Three subspecies are currently recognized including the nominate subspecies described here.he massasauga rattlesnake is listed as threatened under both Ontario's Endangered Species Act, 2007, and the federal Species at Risk Act, and is protected under the Fish and Wildlife Conservation Act.
The definition of a zephyr is a soft breeze, the west wind or a lightweight article of clothing. 1  A light cotton dress is an example of a zephyr. 2  A light breeze is an example of a zephyr.
The sporophyte, as in all other vascular plant groups, is the dominant, photosynthetic part of the life cycle: when you are holding pine needles in your hand you are holding sporophyte parts. Pines have specialized reproductive structures in which meiosis occurs: pine cones.he sporophyte, as in all other vascular plant groups, is the dominant, photosynthetic part of the life cycle: when you are holding pine needles in your hand you are holding sporophyte parts. Pines have specialized reproductive structures in which meiosis occurs: pine cones.