Download unit 7 –animal kingdom (invertebrates)

NAME_____________________________________DATE___________PERIOD________
UNIT 7 –ANIMAL KINGDOM (INVERTEBRATES)- QUESTIONS
WHAT IS AN ANIMAL?-Pages 6-11.
1. What are the levels of organization in order from simplest to most complex?
2. Define the following terms:
a. Cell:
b. Tissue:
c. Organ:
d. Organ System:
3. What are the four major functions of animals?
4. How do animals obtain food and oxygen? Provide an example of how an animal is
adapted to obtain oxygen.
5. What is an example of how an animal is adapted to keep conditions stable?
6. Why do animals move? Provide examples of how animals move.
7. Define the following terms:
a. Sexual Reproduction:
b. Fertilization:
c. Asexual Reproduction:
8. What three characteristics help determine how animals are classified?
9. Define the following terms:
a. Vertebrates:
b. Invertebrates:
ANIMAL SYMMETRY- Pages 12-14.
10. What is the definition of symmetry?
11. Complete the chart below:
BILATERAL
SYMMETRY TYPE
SYMMETRY
RADIAL
SYMMETRY
ASSYMETRY
(NO SYMMETRY)
No distinct front
or back end
Live in water
Slow Moving

DEFINITION

GENERAL
CHARACTERISTICS



Larger and more
complex
Front and back
ends
Quick movement
Sense organs in
the front
(anterior end)



Simple Body Plan
EXAMPLES OF
ORGANSISMS
WITH SYMMETRY
TYPE
DRAWING (Add the
line(s) of symmetry)
*Additional DIRECTIONAL TERMS to know for organisms with bilateral symmetry:
 Anterior
 Posterior
 Dorsal
 Ventral
SPONGES AND CNIDARIANS- Pages 15-23.
12. Where do sponges live?
13. What is a sponge and what does it look like?
14. Describe each type of sponge cell and label it on the diagram:
o Collar Cells:
o Spikes:
o Jelly-like Cells:
o Pores:
15. How does a sponge obtain food and oxygen?
16. How does a sponge reproduce asexually?
17. How does a sponge reproduce sexually?
*SPONGES are hermaphrodites- or an individual organism that has
both male and female sex organs.*
18. What is a cnidarian?
19. What three characteristics do both cnidarian body plans have?
20. Complete the chart below:
POLYP
MEDUSA
BODY SHAPE
MOUTH AND
TENTACLE
LOCATION
WHAT LIFE IS
THE BODY PLAN
ADAPTED FOR?
DRAWING (Use
Figure 13 & Label
mouth and central
cavity)
21. How do cnidarians use stinging cells to obtain food?
22. How do cnidarians reproduce asexually?
23. How do cnidarians reproduce sexually?
*Many CNIDARIANS are hermaphrodites- or an individual organism
that has both male and female sex organs.*
24. What is a colony? Provide two examples of cnidarian colonies.
25. What is a coral reef and why are they important?
26. What is a Portuguese Man-of-War and how are the different polyps in the colony
adapted?
WORMS- Pages 26-32.
27. What are the three major phyla of
worms?
28. What three body structure
characteristics do all worms share?
29. How is the nervous system of worms adapted to help them survive?
30. How do worms reproduce sexually?
*Many worm species are hermaphrodites- or an individual organism that
has both male and female sex organs.*
31. How do worms reproduce asexually?
32. What do flatworms (Phylum Platyhelminthes) look like?
33. What are examples of flatworms?
34. Define the following terms:
a. Parasite:
b. Host:
c. Free-living organism:
d. Scavengers:
35. What is a planarian and how do they obtain food?
36. What structures on a planarian’s head help it survive?
37. Identify each of the structures on the planarian (*not in book):

Brain (ganglia)
_______

Eyespots
_______

Pharynx
_______

Ventral Nerve Cord _______

Digestive Tract (Gastrovascular
cavity) _____
38. What is a tapeworm?
39. What is the purpose of the hooks and suckers on the head of a
tapeworm?
40. Where do roundworms (Phylum Nematoda) live?
41. What do roundworms look like?
42. What is a one-way digestive system and why is it more efficient?
43. What are examples of free-living and parasitic roundworms? (*Not in your
textbook)
44. What is the body structure of a segmented worm (Phylum Annelida)?
45. What tissues and systems do segmented worms have?
46. What is a closed circulatory system?
47. How are earthworms beneficial to the environment?
*Structure of an Earthworm Diagram?*