How to Feed the World in 2050

Question 1

Character-based classification of animals

Answer 1

• multicellular
• eukaryotic
• motile
• consumers

Question 2

Evolution based classification

Answer 2

All descendants (extinct and extant) of the lineage of multicellular eukaryotes defined as Métazoa

Question 3

Animal body plans

Answer 3

• heads
• tails
• bilateral symmetry

Question 4

Describe sponges

Answer 4

• no head or tail, no symmetry
• essentially immobile as adults
• filter feeders

Question 5

Describe jellyfish and sea anemones

Answer 5

• top and bottom, radial
• weakly mobile as adults
• filter feeders and passive hunters

Question 6

Describe vertebrates, insects, crustaceans, annelids, molluscs and most other animals

Answer 6

• head and tail
• top and bottom
• bilateral symmetry
• can be highly mobile as adults
• filter feeders and active hunters

Question 7

Complex body plans rely on

Answer 7

Developmental organisation

Question 8

List the periods of the Paleozoic

Answer 8

1. Cambrian
2. Ordovician
3. Silurian
4. Devonian
5. Carboniferous
6. Permian

Question 9

List the periods of the Mesozoic

Answer 9

1. Triassic
2. Jurassic
3. Cretaceous

Question 10

List the periods of the Cenozoic

Answer 10

1. Tertiary
2. Quaternary

Question 11

Describe the eras of the Archaean

Answer 11

1. Eoarchaean
2. Paleoarchean
3. Mesoarchean
4. Neoarchean

Question 12

Describe the eras of the Proterozoic

Answer 12

1. Paleoproterozoic
2. Mesoproterozoic
3. Neoproterozoic

Question 13

List the eras of the Phanerozoic

Answer 13

1. Paleozoic
2. Mesozoic
3. Cenozoic