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Earth Worm
Question | Answer |
---|---|
earthworms belong to a group of animals called ____worms | segmented |
why is the worm called a night crallwer | hunt for food at night |
what does the earthworn use for food | eat decaying leaves and animal debris |
what is the importance of earth worms to nature | loosen and aerate soil |
anterior means ____ and posterior means ____ | front and belly area, tail end |
what does monoecious mean in relation to the earthworm | has both male and female organs |
__ is a thick cylindrical collar on the earthworm which is involved in reproduction | clitellum |
ventral means __ and dorsal means ___ | lower side, and upper back side |
___ are bristles used in mvoement | setae |
___ are small openings used to excrete liquid waste | pores |
each segment of the worm is separated from the next by a thin wall called ____ | septum |
how does food move through the digestive tract | by muscular contractions |
food in the earthworm is stored in the __ temporarily then moves into the ___ where it is ground up | crop, gizzard |
solid waste products of digestion arte moved through the exterior by the ___ | anus |
digestion and absorption occurs in the _____ | intestine |
explain how the earthworm reproduces | lining up next to each other and exchanging sperm |
what color is the earth worms blood and why? | red because of hemoglobin |
how many hearts does the worm have | ten |
how does the earthworm take in oxygen | through skin |
what is the earthworm most sensitve to | light and sound |
amsll openings used to excrete liquid waste | pores |
thin wall that separates each segment | septum |
front belly side | anterior |
lower side | ventral |
stores food | crop |
possesses male and female sex organs | monoecious |
gives blood a red color | hemoglobin |
bristles used for movement | setae |
thick collar used for reproduction | clitellum |
means upper back side | dorsal |
elimiates solid wastes after digestion | anus |
tail end | posterior |
group of animals earthworms belong to | segmented |
grinds up food | gizzard |
where digestions and absorption occures | intestine |