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What needs explaining

1.[2p]

What exactly does Paley infer design from?

Correct
The answer is: That the parts are co-adapted to an end and the end fails if the arrangement is disturbed
The answer is: That the parts are co-adapted to an end and the end fails if the arrangement is disturbed
The answer is: That the parts are co-adapted to an end and the end fails if the arrangement is disturbed

2.[2p]

Why is "the eye is badly built" a poor reply to Paley?

Correct
The answer is: He grants that a watch can run badly and still obviously be a watch
The answer is: He grants that a watch can run badly and still obviously be a watch
The answer is: He grants that a watch can run badly and still obviously be a watch

3.[2p]

The retina holds about 1.2×108 rods and the optic nerve carries about 106 fibres. By what factor is the input compressed?

CorrectNot quite: 120

4.[2p]

What did Owen name sameness of structure regardless of function?

CorrectNot quite: homology

5.[2p]

The Nilsson and Pelger model shows how vertebrate eyes actually evolved.

The answer is: False
Correct

6.[2p]

About 2.1 million species have been described against an estimated total of 8.7 million. What percentage has been described?

CorrectNot quite: 24.1

7.[3p]

Which of these are true of the nested pattern of characters?

Select all that apply

Correct
Correct
Correct
The answer is: Nothing outside a branching history forces characters to be nestable, Linnaeus imposed the arrangement in 1735 with no theory of why it worked, A designer reusing good solutions would be free to break it

8.[2p]

Put these character sets in order, from the one covering most species to the one covering fewest.

  1. Is a cell

  2. Has a placenta

  3. Has a backbone

  4. Has hair

Show the answer

d, a, b, c

9.[2p]

Match each pair of structures to what the pair illustrates.

  • Bat wing and whale flipper

  • Bat wing and insect wing

  • Human arm and mole forelimb

  • Bird wing and butterfly wing

  • analogy

  • analogy

  • homology

  • homology

Show the answer

Bat wing and whale flipper: homology Bat wing and insect wing: analogy Human arm and mole forelimb: homology Bird wing and butterfly wing: analogy