(1ai)
A - Stagnant water (aquatic habitat)
B - Decomposing matter(terrestrial habitat)
(1aii)
A- Mosquito(Anopheles).
B- Housefly.
(1aiii)
A - Arthropoda (phylum)
Insecta (class)
B - Arthropoda (phylum)
Insecta (class)
(1b)
Specimen A
(i) It has bristles.
(ii) It has horny jaw.
(iii) It has siphon
Specimen B
(i) It has a hook.
(ii) It has mouth.
(iii) It has spiracles.
(1ci)
In a tabular form
Under A
(i) It has not got a hook
(ii) It has a bristle.
(iii) It has siphon
(iv) It has mouth brush.
Under B
(i) It has a hook
(ii) It doesn't have a bristle.
(iii) It does not have siphon.
(iv) It does not have mouth brush.
(1cii)
(i) They are both segmented organisms.
(ii) They both have mouth.
(iii) Both have thorax
(2a)
i)C- Tilapia fish
D- Rat
E- Mango plant
ii)Excretion
iii)
(a)Presence of gill filament which helps in gaseous exchange
(b)Presence of gill rakers which traps particles that might damage the delicate gill filament
(c)Gill arch which is bony and holds the gulls filament in shape
2b)
i)• Both have thin surface
ii)• Both are moist
2bii)
Tabulate
Under C
(a)Gill arch is present
(b)Gill filament is present
(c)Gill rackers is present
Under D
(a)Gill arch is absent
(b)Gill filament is absent
(c)Gill rackers is absent
(4)
(ai) Sepals, Petals, Carpels and Stamens
(ii) Sepals - 5
(iii) Petals - 5
(iv) Carpels - 1
(v) Stamen - 10
(4bi) Sex - monoecious
(ii) presence of both Carpels and Stamens
(4c)
i - Bilateral
ii - it can be cut vertically into two similar halves through one plane
(4d)
K - insect
L - wind
(4e)
SPECIMEN K
(i) it has flower stalk
(ii) it has petal
(iii) it has a style
(iv) it has receptacle
SPECIMEN L
(i) it has root
(ii) it has leaves
(iii) it has a stem
(iv) it has a bud
(4f)
DRAWING
===============COMPLETED=============
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