Which of the following is not a protostome

11 Jun Which of the following is not a protostome

Question
1.Which of the following is not a protostome?

A. flatworm

B. mollusk

C. annelid

D. chordate

2.Daya is studying reproduction and development. Which of the following would she expect to observe in mollusks?

A. The first embryonic indentation becomes an anus.

B. Embryonic cells cleave in a spiral pattern.

C. A coelom fails to develop.

D. Sexual reproduction cannot occur.

3.Which of the following is least related to the ancestral protists?

A. sponges

B. flatworms

C. insects

D. jellyfish

4. Jenn works at an unheated reptile farm and was told that it was important to arrange the cages so that the animals could maintain reasonably stable body temperatures as in the wild. How might a lizard maintain a stable body temperature in the wild?

A. Insulation

B. High metabolic rate

C. Seeking shade or sun

D. Hollow bones

5. You are employed in a marine biological survey and you encounter a tiny elongate scaleless animal pointed at both ends. With which group of animals would you list it?

A. Cephalochordates

B. Cyclostomes

C. Urochordates

D. Osteichthyes

6.Which of the following characteristics do birds share with reptiles?

A. Light weight bones

B. Scaly feet

C. Feathers covering the body

D. Teeth

7. Which of the following is not a feature of the lancelets?

A. Segmented muscles

B. Well developed eyes

C. Gill slits

D. Notochord

8. Which feature is not characteristic of larval tunicates?

A. Gill slits

B. Lie attached to ocean floor

C. Notochord

D. Tail

9. Conan is studying the development and form of newly collected rare mollusk. Which of the following would he NOT expect to encounter?

Asexual reproduction

B. gills

C. backbone

D. eye

10. Which group of annelids are primarily parasites?

A. Earthworms

B. Marine worms

C. Oligochaeta

D. Leeches

11. Which of the following is not a crustacean?

A. lobster

B. crab

C. grasshopper

D. crayfish

12. Which of the following flatworms are most likely to be found as parasites in humans?

A. Turbellarians and tapeworms

B. Turbellarians and flukes

C. Flukes and tapeworms

D. Tapeworms only

13. If you encountered a large leafy-looking fern plant, you might notice tiny dots on the undersides of the leaves. If you removed these dots what might be the consequence?

A. Destruction of the tiny fern embryos.

B. Destruction of the tiny fern zygotes.

C. Destruction of the tiny fern gametophytes.

D. Destruction of the tiny fern sporangia.

14. Angiosperms differ significantly from other plants for which of the following reasons?

A. Most are pollinated by insects.

B. They are all wind pollinated.

C. They are the only plants that produce seeds.

D. They have no gametophyte.

15. Bacteria are composed of which of the following cell types?

A. eukaryote

B. archaea

C. virion

D. prokaryote

16. It is thought that the primitive Earth atmosphere was free of oxygen. What is the likely source of the first oxygen that allowed organisms to breathe?

A. evaporation

B. dehydration synthesis

C. cyanobacteria-like organisms

D. mitochondria

17. How did early eukaryotes differ from modern eukaryotes?

A. They were mostly unicellular.

B. They were mostly multicellular.

C. They were mostly anaerobic.

D. They were mostly photosynthetic.

18. Some fungi have a _________ that separates the hyphae.

A. cell plate

B. desmosome

C. tight junction

D. septum

19. Sophia is a forester who observes that many fallen trees were consumed by fungi. How would you characterize the action of these fungi?

A. parasitic

B. mutualistic

C. pathogenic

D. saprophytic

20. George is a biologist who studies the Felidae, the cat family. How would you describe the biological unit that he studies?

A. species

B. phylogeny

C. taxon

D. stratum

21. The red algae seaweeds are most closely related to which of the following?

A. blue-green algae

B. green algae

C. brown algae

D. golden algae

22. Which of the following belongs to the Rhizaria?

A. green algae

B. paramecium

C. cyanobacteria

D. amoeba

23. Most biologists agree that animals arose from the following organism

A. a flagellated protist.

B. a ciliated protist.

C. a yeast.

D. fungi.

24. Phylogenetic trees are used by scientists to represent the following information about organisms:

A. their evolutionary relationship

B. their ancestry

C. their degree of divergence over time from related organisms

D. none of these are correct

25. Jenn works at an unheated reptile farm and was told that it was important to arrange the cages so that the animals could maintain reasonably stable body temperatures as in the wild. How might a lizard maintain a stable body temperature in the wild?

A. Insulation

B. High metabolic rate

C. Seeking shade or sun

D. Hollow bones

26. The best phylogenetic tree is the one with the fewest number of character

A. nodes.

B. branches.

C. reversals.

D. ancestors.