1. (1)

The three shapes of bacteria are haplontic, diplontic, and alternations. anaerobic, aerobic, and facultative. heterotrophic, autotrophic, and chemosynthetic. bacillus, coccus, and spirillum. helical, spiral, and streptococci.

2. (1)

Which of the following organisms move about by means of pseudopodia? Plasmodium vivax trypanosome Amoeba proteus Chlamydomonas Paramecium caudatum

3. (1)

The most important human parasite among the sporozoa is ____, the causative agent of malaria. Plasmodium vivax trypanosome Amoeba proteus Chlamydomonas Paramecium caudatum

4. (1)

The innermost core of a virus's structure is made up of a membranous envelope. both DNA and RNA. either DNA or RNA. a protein capsid. a protein spore coat.

5. (1)

In the moss life cycle, the ______ generation is dominant. haploid gametophyte diploid gametophyte haploid sporophyte diploid sporophyte diploid antheridium

6. (1)

Haploid spores are produced in the ___ of a moss. sori antheridia archegonia sporangium anther

7. (1)

Fertilization in the mosses is dependent upon insects. mammals. water. wind. light.

8. (1)

Swimming sperm are produced in the ____ of the moss gametophyte stage. antheridia archegonia rhizoids protonema sori

9. (1)

The small heart-shaped gametophyte called a prothallus is part of the life cycle of the mosses. ferns. liverworts. ginkgoes. gnetophyte.

10. (1)

Spores are produced in the ____ of a fern. sori antheridia archegonia ovule ovary

11. (1)

In the pine life cycle, a microspore develops into a seed. a sporophyte. a pollen grain. a megaspore. an ovule.

12. (1)

The reproductive parts of a flower are the petals and sepals. petals and stamen. sepals and stamen. sepals and carpel. carpel and stamen.

13. (1)

During pollination in angiosperms, pollen grains will stick to the enlarged knob in the center of the flower called the stigma. style. ovary. ovule. anther.

14. (1)

The stigma, style, and ovary are located in a carpel. sepal. receptacle. petal. stamen.

15. (1)

The anther and filament are parts of the carpel. sepal. receptacle. petal. stamen.

16. (1)

A fruit is a stigmatized pollen grain. mature ovary. microspore. megaspore. seed.

17. (1)

Which of the following types of skeletal material is NOT found in at least some sponges? calcium carbonate silica spicules spongin muscle

18. (1)

Sea anemones belong to the phylum Porifera. Platyhelminthes. Cnidaria. Nematoda. Mollusca.

19. (1)

Ascaris is considered to be a(n) flatworm. earthworm. roundworm. cnidarian. arthropod.

20. (1)

How could you possibly become infected with adult tapeworms? eating insufficiently cooked pork being bitten by a mosquito ingesting eggs in contaminated water eating freshly peeled fruit wading in contaminated water

21. (1)

The segments of a tapeworm consisting primarily of eggs, which hang in bags as a long chain behind the head, are called proglottids. cercariae. sporocysts. scolexes. glycocalyxes.

22. (1)

Clams, snails, sea slugs, and octopuses belong to the phylum Annelida. Mollusca. Porifera. Platyhelminthes. Arthropoda.

23. (1)

Fertilization in the earthworm is accomplished by the use of the nephridia. clitellum. flame cells. trachea. typhlosole.

24. (1)

____ are animals that have three pairs of legs, a tympanum for reception of sound waves, and Malpighian tubules for excretion. Starfish Lancelets Crayfish Grasshoppers Earthworms

25. (1)

The major insect body parts are head, cephalothorax, and abdomen. cephalothorax, midsection, and abdomen. head, thorax, and abdomen. head, pyothorax, and metathorax. head, cephalothorax, and genitalia.

26. (1)

Respiratory structures in insects are commonly termed book lungs. spiracles and tracheae. hemolymphic. lamellae. lungs.

27. (1)

Insects use the Malpighian tubules to remove nitrogenous wastes.  True False

28. (1)

The name Echinodermata literally means soft skin. circulation of water. spiny skin. skinless. ability to store water.

29. (1)

Sea stars and sea urchins operate their tube feet by a hydraulic system that regulates water pressure. cilia transporting hemolymph from chamber to chamber. sticky threads leading from the mouth. actin and myosin fibers that slide and give muscle actions to the five arms or "rays". an extensive net of nerve and muscle cells.

30. (1)

The water vascular system of the echinoderm is used for locomotion. respiration. circulation. digestion. sensing the environment.

31. (1)

The madreporite helps the sea star reproduce. locate food. digest food and distribute it to the arms. absorb water to regulate its vascular system. keep its surface clean of algae and barnacles and debris.

32. (1)

The lancelets are found in tropical Amazon streams. as parasites inside the tracts of fish. very rarely in mountain streams, where they are almost extinct. commonly in the sandy bottoms of shallow coastal waters around the world. on the bottom of the ocean.