Week 4 PASS BIO1022 - Animal Body Plans

Question 1

The rainbow lorikeet specie is a part of the ____ phylum?

Accepted Answer

Chordata

Question 2

Guess who: This organism has an exoskeleton, a cuticle made of chitin and as a segmented body joined by appendages

Accepted Answer

Arthropoda

Question 3

You have found these organisms and must decide which type of symmetry they have:

Accepted Answer

Left: radial symmetry. Right: Bilateral symmetry

Question 4

Endoderm becomes

Accepted Answer

digestive organs

Question 5

What is an advantage of having a body cavity? (true coelom)

Accepted Answer

Hydrostatic skeleton - efficient skeletal system to support movement, Circulation benefits - helps with the efficient removal of waste products

Question 6

The majority of animal species in our world (over 90%) are:

Accepted Answer

invertebrates

Question 7

A scuba diver needs your help to identify which organisms are from the Anthozoa class or are Chordata phyla?

Accepted Answer

Anthozoa: Corals & sea anemones. Chordata: Fish

Question 8

Which are evolutionary steps that allowed for vertebrates to live on land?

Accepted Answer

Lungs, amniotic egg & limbs specialised for motility on land

Question 9

Arrange the Bottlenose Dolphin in the classification sequence of: Kingdom, phyla, class, family, genus, species:

Accepted Answer

Anamalia, Chordata, Mammalia, Dolphinidae, Tursiops, Tursiops truncatus

Question 10

Why was the amniotic egg important in vertebrate evolution onto land?

Accepted Answer

Enables organism to develop to a greater extent before hatching

Question 11

Sponges have this type of symmetry

Accepted Answer

Asymmetry

Question 12

Kangaroos, koalas, wombats and pygmy possums are from the Diprotodontia...

Accepted Answer

Order

Question 13

During embryonic development, what forms after the zygote?

Accepted Answer

Blastula

Question 14

The organisms that have a notochord that will become a backbone are

Accepted Answer

Chordata

Question 15

Which of the following is not a subgroup in the mollusca phyla?

Accepted Answer

Annelids (leech, earth worm)

Question 16

Flatworms are ___________________ because they do not have a body cavity.

Accepted Answer

acoelomates

Question 17

In protostomes, the __________ develops from the blastopore first

Accepted Answer

Mouth

Question 18

Which is not a feature of Chordata?

Accepted Answer

Acoelomate

Question 19

Triploblastic (3 layered gastrula)includes

Accepted Answer

Mesoderm, Ectoderm, Endoderm

Question 20

Echinoderms are sea stars and considered to be

Accepted Answer

Deuterostomes

Question 21

The following classes are a subgroup of which phylym?

Accepted Answer

Cnidaria

Question 22

What are the feature/s common to all metazoa (all animals)? Discuss with your group

Accepted Answer

Multicellular

Questions 22