DP Biology (last assessment 2024)
Question 18M.2.SL.TZ1.5b
Date | May 2018 | Marks available | [Maximum mark: 4] | Reference code | 18M.2.SL.TZ1.5b |
Level | SL | Paper | 2 | Time zone | TZ1 |
Command term | Outline | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 4]
18M.2.SL.TZ1.5b
(b)
Unicellular and multicellular organisms share the same functions of life. Outline four functions of life.
[4]
Markscheme
a. nutrition: process by which organisms take in and make use of food//nutrients OWTTE
b. metabolism: conversion of organic molecules/chemical reactions in an organism
c. growth: increase in size/mass/number of cells within an organism
d. response/irritability/sensitivity: reactions/responsiveness to stimuli/factors
e. homeostasis: regulating/maintaining constant/stable interior environment
f. reproduction: production of similar cells/organisms from existing ones/offspring
g. excretion: elimination of (metabolic) wastes
