Page 29 - Genius PBD Science Year 6

Science Year 6 Answers

(b) Z (ii) Interacts by staying 5. (a) Organise a campaign to raise
(c) Microscope on other trees to obtain awareness on environment to
(d) Microorganism Z can basic needs such as educate the society about the
produce its own food but nutrients and water. This importance of taking care of
microorganism X cannot. interaction harms the the beach.
host tree. (b) Proclaim forests as reserved
Interaction among Living 7. Students’ answer forests.
UNIT 4 Things (c) Do not buy products that are
made from body parts of
4.1 Interaction among Animals endangered species.
SUMMATIVE PRACTICE 4
1. (a) The existence of interaction 6. Students’ answer
among animals. Objective Questions 7. Students’ answer
(b) relationship, depend, basic
needs 1. C 2. D 3. B 4. B 5. C
(c) (i) Symbiosis SUMMATIVE PRACTICE 5
(ii) Competition Subjective Questions
(iii) Prey-predator Objective Questions
2. (a) Competition for food 1. (a) Interspecies interaction
(b) Interaction among animals
(b) Competition for mate can happen in a form of 1. C 2. D 3. D
(c) Competition for water competition and cooperation.
(d) Competition for shelter or (c) (i) The animals are Subjective Questions
territory competing for mate. 1. (a) Sell skin of endangered
3. (a) (i) Intraspecies interaction (ii) Death or migration to animals.
(ii) Interspecies interaction other places. (b) Yes. It helps to reduce
(b) Mate, food, water and shelter illegal hunting that causes
or territory the number of endangered
(c) Food, water, shelter or UNIT 5 Preservation and Conservation animals to decrease.
territory (c) (i) To save turtles from
4. (a) (i) Commensalism 5.1 Preservation and Conservation for extinction.
(ii) benefits; does not harm the Balance of Nature (ii) As a place for turtles to
(b) (i) Mutualism 1. Dinosaur, Mammoth, Quagga, lay eggs.
(ii) benefits Dodo bird
(c) (i) Parasitism
(ii) benefits; harms 2. UNIT 6 Force
Hornbill 6.1 Force and Its Effects
4.2 Interaction among Plants
1. (a) Pull – (i), (iv) (v), (vii), (viii)
5. (a) To investigate the relationship Pitcher Push – (ii) , (iii), (vi)
between the factors of Turtle plant (b) Force is a pull or push that
competition and the condition
of the chilli seeds. Endangered acts on an object.
(b) The young plant in vase B is species Tapir 2. (a) shape; object
taller and has more leaves Panda (b) direction of a moving object
compared to vase A. (c) moving object
(c) The young chilli plants in vase Rafflesia (d) stationary object
B does not have to compete Tiger (e) speed; object
to obtain basic needs.
(d) Space, water, sunlight and 6.2 Frictional Force
nutrients.
6. (a) (i) Commensalism 3. (a) (i) Illegal logging 3. (a) (i), (iv), (v), (vi)
(ii) Interacts by staying (ii) Illegal hunting (b) Friction is a type of force that
on other trees to obtain (b) (i) Enforcement of laws to is formed when two surfaces
basic needs such as protect animals. touch each other.
water and sunlight (ii) Cut down selected trees 4. (a) write
source. This interaction only. (b) heat
does not harm the host 4. (a) (ii) (c) walk
tree. (b) (i) (d) musical; instrument
(b) (i) Parasitism (e) Sharpens
(f) Wears off

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00 Answer Mahir Sci Y6.indd 3 26/09/2022 4:03 PM