HELP

Question / Answer / Mark
1 / a / D, E, I / 1
b / G, F, H
Accept C as an alternative / 1
c / A, B
Accept C if not already used. / 1
2 / Underscores show answers; other text in table copied by pupils.
Eagle – predator / 1
Antelope – prey / 1
Frog – predator / 1
Tiger – big teeth / sharp claws / strongs jaws, etc. / 1
Bee – can sting when threatened / 1
Total for Help / 8

CORE

Question / Answer / Mark
3 / a / Curlew – worms and grubs from soil
Bullfinch – seeds, berries and small nuts
House martin – insects
Two or three correct, two marks; one correct, one mark. / 2
b / Curlew – long, curved bill can push into soil / 1
Bullfinch – large, strong beak to crack hard shells / 1
House martin – small, pointed beak to catch insects in the air / 1
4 / a / Owls hunt at dusk because that’s when prey is active. / 1
They fly quietly so the prey won’t hear them coming. / 1
They have good eyesight so they can see their prey in poor light. / 1
b / Sharp / pointed / curved talons / 1
Strong claws / 1
5 / a / Camouflage / 1
b / Its prey cannot see it. / 1
Total for Core / 12

EXTENSION

Question / Answer / Mark
6 / a / i / The higher the temperature, the more snails there are in the hedge. / 1
ii / The drier the weather, the more snails there are in the hedge. / 1
b / It is cooler in the hedge, so they won’t dry out. / 1
It stays wetter under the hedge. / 1
c / Thrushes eat snails. / 1
d / No / 1
Both factors are present at the same time.
Accept other appropriate arguments. / 1
e / i / Made more observations or measure the humidity of the hedge.
Accept other appropriate suggestions. / 1
ii / Award marks for sensible explanations that would be a consequence of their suggested modification. / 2
Total for Extension / 10

© Harcourt Education Ltd 2003 Catalyst 1

This worksheet may have been altered from the original on the CD-ROM.