Study specimen D and E and answer questions..

Question 1 Report

Study specimen D and E and answer questions
(a) and (b).
(a)i Name the specific habitats of each of specimens D and E.
D:...........................................
E:...........................................
(ii) State five observable structural difference between specimens D and E.
(iii) What is the behavioral adaptation that specimens D and E exhibit? (b) State two ways by which specimen E is of economic importance.

Study specimen G and answer questions 2(c) to (e).
(c) On the table below, name the types of teeth present in specimen G and state one function each of the types of teeth named.

types of teeth	one function

(d)(i) Name the mode of feeding of the organism from which specimen G was obtained.

(ii)(d) Name the mode of feeding of the organism from which specimen G was obtained.
State three ways by which specimen G adapts its organism to the mode of feeding stated in (d)(i)

(e) Name two mineral elements which are needed for the proper functioning of specimen G in the body.

Answer

(a)(i) habitats of specimens of D and E

D: Termatarium/anthill/old logs of trees/mounds dead tree stumps

E: nest/hive

(ii) observable structural differences between specimens D and E

D/soldier termite	E/honeybee
presence of prominent/large/mandible	presence of poorly developed/less prominent mandible
stingvabsent	sting present
pollen comb	wing present
wing absent	presence of pollen basket
absence of prong	presence of prong
absence of proboscis	presence of proboscis
body not hairy[smooth]	body is hairy
absence of eye blind	presence of [two/pair/of] compound eyes
big in size /big head	small in size /small head

[iii] (iii) Behavioural adaptation common1o specimens D and E
Social insects/nuptial flight/swarming

(b) Economic importance of specimen E

a. Production of honey

b. Production of beeswax/wax

c. Pollinating agent d. Employment

e. Their stings lead to allergies/anaphylactic shock/difficulty in breathing/rashes/skin irritations

f. Their stings could lead to death.

{c} Table

Types of teeth	one function of teeth
incisor	cutting of vegetation/nibbling/gnawing/biting.
premolar	grinding/chewing
molar	grinding/chewing

d[i] mode of feeding specimens G herbivorous

ii ways by which specimen G adapts its organism to its mode of feeding

a. sharp/chisel shaped/curved incisors for cutting vegetation/leaves /food/gnawing/bibbling/bitting

b. broad/ridged surface of premolar ; for grinding /chewing

Presence of diastema/space between incisor
grinding/chewing and premolar, allows the rolling of food into bolus/its separates.freshly cut food/grass from the one being chewed.

e.Mineral element needed for the proper functioning of specimen G

i.Calcium ii. Phosphorus iii. Copper
iv.Boron v. Zinc vi. Copper

vii.Magnesium viii. Iron ix. Potassium

Answer Details