Exam 3

Question 1

Once hookworm eggs hatch into larvae and are deposited in nature, the route of infection for humans is…

Answer 1

burrowing through the skin

Question 2

Mollusks include snails, clams, oysters, octopuses, and squid.

Answer 2

True

Question 3

Select the following that is not true.

Answer 3

Damp areas or standing water is required to transfer pollen in mosses.

Question 4

Select all of the following that is true about reptiles.

Answer 4

• internal fertilization
• bony endoskeleton
  -shelled eggs
• scaly skin

Question 5

Match the following parts of the egg.

Answer 5

a- allantois
b- chorion
c- yolk
d- albumin
f- shell
g- amnion
i- embryo

Question 6

______________ are modified leaves for protection in succulents.

Answer 6

spines

Question 7

___________ are underground modified stems that are used for storage of carbs.

Answer 7

tubers

Question 8

Tendrils would be an example of ___________________.

Answer 8

thigmotropism

Question 9

Once the eggs are deposited in nature, the route of infection for Ascaris infection is…

Answer 9

accidental swallowing eggs from the environment

Question 10

Select all of the following that is true about mammals.

Answer 10

• feed young milk
• internal fertilization
  -endothermic
  -bony endoskeleton

Question 11

___________ are above or below ground modified stems that can grow new plants at nodes.

Answer 11

stolons

Question 12

Which of the following has electro-receptors for detecting prey?

Answer 12

chondrichthyans

Question 13

Select all of the following that is true about chondrichthyes.

Answer 13

-internal fertilization
- gills
- scaly skin ( tooth-like)

Question 14

Which of the following has a “nerve net” instead of a central nervous system?

Answer 14

Jelly fish

Question 15

All vertebrates have a post anal tail during some portion of their development.

Answer 15

True

Question 16

Which of the following is correct?

Answer 16

Flowering plants became the most successful plants because they not only produce seeds and pollen, but their pollen is carried by animals which is more efficient.

Question 17

Which of the following has 4 chambered hearts?

Answer 17

• Alligators
• humans
• eagles

Question 18

Which of the following is an amniote?

Answer 18

reptiles

Question 19

Match the following parts of the egg (answers may be used more than once).

Answer 19

aminon- protection
chorion- part of the placenta in mammals
yolk- nourishment
albumin- nourishment
allantois- collects wastes

Question 20

Open circulatory systems are seen in the ______________.

Answer 20

arthropods

Question 21

Seeds are the female reproductive part of the flower/cone.

Answer 21

False

Question 22

Alternation of generations refers to…

Answer 22

plants have 1 generation that is haploid while the next generation is diploid.

Question 23

__________________ support plants, such as corn, in loose soils.

Answer 23

prop roots

Question 24

Which of the following contains a swim bladder for buoyancy?

Answer 24

osteichthyans

Question 25

Select all of the following that are true regarding the phylum Porifera.

Answer 25

• filter feeders
• lack true tissue
• includes sponges

Question 26

Together the cork cambium and vascular cambium make up the ________________.

Answer 26

lateral meristem

Question 27

Once the tapeworm eggs hatch in the pig or cow digestive tract, the larvae will migrate and lodge in the ____________ of the pig or cow.

Answer 27

muscles