Question

(a) A researcher collects some information about organisms that live in a desert environment.
Fig. 10.1 is a summary of the information.

(i) Construct a food chain from the information given in Fig. 10.1.

……………………………………………………………………………………………………………………. 
(ii) Table 10.1 contains the names of the organisms from Fig. 10.1 and some of the terms that can be used to describe them.

Complete Table 10.1 by placing ticks (√) in the boxes to show all the terms that describe each organism. Use only the information given in Fig. 10.1.

One row has been done for you.

(b) State the name of the type of organisms that get their energy from dead and waste organic matter.
…………………………………………………………………………………………………………………………… 
(c) State the name of the principal source of energy for all food chains.
…………………………………………………………………………………………………………………………… 

(d) Nutrition is one of the characteristics of living things.
State the name of three other characteristics.
1 ………………………………………………………………………………………………………………………………
2 ………………………………………………………………………………………………………………………………
3 ………………………………………………………………………………………………………………………………
(e) State the name of the basic building blocks of which all living organisms are made.
…………………………………………………………………………………………………………………………………

▶️Answer/Explanation

Ans: 10(a)(i) cactus → desert rats → snake → desert fox ;;

10(a)(ii)

1 mark for each correct row ;;;

10(b) decomposer ; 
10(c) Sun ; 
10(d) any three from:
     movement ;
     respiration ;
     sensitivity ;
     growth ;
     reproduction ;
     excretion ;

10(e) cells ;