01 Feb D. muscles need to be

Question 1

1. Which group of chordates does not possess true backbones?

A. Crocodilians

B. Birds

C. Lampreys

D. Frogs and toads

Question 2

2. If scientists identify an animal with bilateral symmetry and no segmentation, which phylum can it definitely not belong to?

A. Flatworms

B. Roundworms

C. Mollusks

D. Annelids

Question 3

3. What type of learning shapes innate behaviors?

A. Habituation

B. Insight learning

C. No learning is necessary.

D. Operant conditioning

Question 4

4. Which of the following does not lay amniotic eggs?

A. Marsupials

B. Birds

C. Monotremes

D. Reptiles

Question 5

5. The development of vascular tissue allowed some seedless plants to

A. perform photosynthesis.

B. make sugars for energy.

C. grow taller.

D. use alternation of generations.

Question 6

6. What characteristic is shared by birds, salamanders, and sharks?

A. Four limbs

B. Endothermy

C. Jaws and paired appendages

D. Lungs

Question 7

7. Which best explains the circulation system within mammals?

A. Mammals use a closed, single-loop circulatory system aided by a four-chambered heart.

B. Mammals use a closed, double-loop circulatory system aided by a four-chambered heart.

C. Mammals use an open, double-loop circulatory system aided by a four-chambered heart.

D. Mammals use a closed, single-loop circulatory system aided by a three-chambered heart.

Question 8

8. Which of the following does not accurately describe movement within plants?

A. Cohesion and adhesion contribute to capillary action, which contributes to water movement.

B. Movement of sugars within the xylem results from changes in concentration of water.

C. Changes in the concentration of nutrients affect the cause of movement of fluid through phloem.

D. Transpiration is the only force that drives water movement within a plant.

Question 9

9. Which part of the amniotic egg stores the waste products produced by the embryo?

A. Allantois

B. Yolk sac

C. Chorion

D. Amnion

Question 10

10. Unlike bryophytes, ferns

A. have vascular tissue.

B. have to get water from the environment.

C. exhibit alternation of generations.

D. utilize photosynthesis.

Question 11

11. Like chordates, all invertebrates have

A. tails.

B. backbones.

C. pharyngeal pouches.

D. eukaryotic cells.

Question 12

12. In contrast to ectotherms, endotherms

A. are more efficient in warm environments.

B. maintain a lower metabolic rate.

C. create and conserve body heat better.

D. need less to eat.

Question 13

13. Which of the following structures are found in gymnosperms but not in angiosperms?

A. Cones

B. Flowers

C. Pollen

D. Seeds

Question 14

14. Unlike perennials, annuals

A. grow for two years.

B. are always woody plants.

C. live for many years.

D. are limited to life in a single year.

Question 15

15. Which of the following flower parts is male?

A. Stamen

B. Ovary

C. Style

D. Carpel

Question 16

16. Unlike mammals, fish

A. utilize gills for gas exchange.

B. can take in oxygen from the air.

C. need oxygen to survive.

D. release carbon dioxide.

Question 17

17. Unlike freshwater fish, saltwater fish

A. tend to gain water from their surroundings.

B. would swell if they didn’t eliminate salt.

C. often contain a lower concentration of salt than the water they live in.

D. would swell if they didn’t conserve water

Question 18

18. In which tissue system would you find root hairs and the epidermis?

A. Apical meristem

B. Vascular tissue

C. Dermal tissue

D. Ground tissue

Question 19

19. Muscles in animals are often found in pairs, because

A. muscles can only push.

B. muscles can only produce a force as they relax.

C. muscles can only pull.

D. muscles need to be able to both push and pull.

Question 20

20. Which of the following animals could detect sound at a frequency of 67,000 Hz?

A. Dog

B. Bat

C. Elephant

D. Tree frog