| Question |
Answer |
| the nutrient-rich waste of an earthworm |
castings |
| light-colored bulge on an earthworm's body used in reproduction |
clitellum |
| cells in a blackworms' tail that detect light and shadow |
photoreceptor |
| wavelike motion |
pulsation |
| the number of blood vessel contractions per minute observed in one location |
pulsation rate |
| having repeating sections |
segmented |
| offspring are identical to the parents |
asexual reproduction |
| method of asexual reproduction in which the body is split into two or more pieces |
fragmentation |
| bristles occuring in each segments of a blackworm |
chaeta(e) |
| earthworm bristles |
seta(e) |
| ability to regrow a body part |
regeneration |
| scientific name of a blackworm |
Lumbriculus variegatus |
| scientific name of an earthworm |
Lumbricus terrestris |
| the blackworms position for gas exchange |
its tail lies at the water's surface |
| the blackworms method of swimming |
it twists like a corkscrew |
| when the blackworm rapidly shortens its tail in response to a touch, vibration or shadow |
the rapid escape reflex |
| What is habitat of a blackworm? |
shallow freshwater in North America and Europe |
| new segments on a blackworm |
are smaller and lighter in color |
| function of blackworm blood vessel |
to transport digested nutrients and oxygen throughout the body |
Poultry
