workshop4

Question 1

The notochord:

Select one:

a. is replaced by the dorsal nervous chord as the vertebrate embryo develops into an adult
b. is present in the embryos of all vertebrates but is only present in the adult stage of cartilaginous fish
c. is present in the embryonic stages of all vertebrates except lancelets and jawless fishes
d. is a stiff but flexible rod which enables movement in adult jawless fishes

Answer 1

d. is a stiff but flexible rod which enables movement in adult jawless fishes

Question 2

Choose the correct term to match the meaning. A small paired, leg-like appendage immediately anterior to the walking legs.

Select one:

a. Pedipalps
b. Chelicerae
c. Antennae
d. Spinnerets

Answer 2

a. Pedipalps

Question 3

Match the mouthparts to the correct insect

Stylets

Answer 1
Fly

Proboscis

Answer 2
Buttefly

Mandibles

Answer 3
Grasshopper

Labium

Answer 4
Mosquito

Answer 3

Answer 1
Mosquito

Answer 2
Butterly

Answer 3
Grasshopper

Answer 4
mosquito

Question 4

Choose the correct term to match the meaning. One pair of prehensile appendages at the extreme anterior end of certain groups of arthropods.

Select one:

a. Spinnarets
b. Chelicerae
c. Antennae
d. Pedipalps

Answer 4

b. Chelicerae

Question 5

The amniotic egg:

Select one:

a. All answers are correct
b. Surrounds the developing embryo in fluid so it does not dry out
c. Stores waste products away from the developing embryo in a separate membrane
d. Provides nutrition for the developing embryo so the need for parental care is reduced

Answer 5

a. All answers are correct

Question 6

In a life cycle with incomplete metamorphosis, the larva:

Select one:

a. is not recognisable as an insect because it does not have jointed appendages
b. metamorphoses into the adult form after the pupal stage
c. is much smaller but morphologically similar to the adult stage
d. is anatomically and physiologically different from the adult

Answer 6

c. is much smaller but morphologically similar to the adult stage

Question 7

What functions do the following structures facilitate?

Answer 1 Clawed appendage
Answer 2Chelicerae
Answer 3Mandible
Answer 4Pedipalp

Answer 7

Clawed appendage

Answer 1
Defense and feeding

Answer 2
Prey capture

Answer 3
Feeding

Answer 4
feeding and sensory

Question 8

Distinctive characteristics of animals classified as vertebrates include:

Select one:

a. pharyngeal gill slits and a post-anal tail
b. cranium and jaws
c. a notochord and vertebrae
d. all answers are correct

Answer 8

d. all answers are correct

Question 9

Which type of Arthropod does not have mandibles?

Select one:

a. Insects
b. Chelicerates
c. Myriapods
d. Crustacea

Answer 9

b. Chelicerates

Question 10

One of the major advantages of an amniotic egg for animals living on land is:

Select one:

a. the yolk sac within the egg can be replenished by the mother while the embryo is developing
b. the shell protects the embryo from predators
c. the non-porous leathery shell keeps the internal environment of the egg constant
d. The amnion and amniotic fluid prevent the embryo from drying out

Answer 10

d. The amnion and amniotic fluid prevent the embryo from drying out