Chapter 2 - The Characteristics Of Life Flashcards
Arrange the following in the correct order starting from the smallest:
Organism, cell, population, tissue, organ system, organ
Cell, tissue, organ, organ system, organism, population
What is the removal of waste products called?
Excretion
What is nutrition?
Getting the food to supply energy and minerals needed for normal life
Name the five characteristics of life.
Organization Nutrition Excretion Response Reproduction
State the main difference between plant and animal nutrition.
Plants are able to create their own food through the process of photosynthesis whereas animals are not.
What does “the continuity of life” mean?
That organisms arise from living things of the same type.
Where does energy flow through?
From the sun through plants and into animals.
What does organization mean?
That living things are composed of cells
Name the two names for the amount of cells and what they are.
Unicellular- single cell
Multicellular- more than one cell
What is metabolism?
The sum of all the chemical reactions in the organisms
What is response?
The way that living things respond to stimuli in their environment or surroundings
Behaviors
What is a change in the environment that causes a response called?
Stimulus
Explain reproduction.
The production of new individuals
What are the two types of reproduction? Explain.
Asexual- no fertilization, organism splits
Sexual- joining of gametes, a blend of the parents features, two parents
Define the term ‘life’
Life is defined as possessing all five of the following features: behaviour(response), reproduction, excretion, nutrition, organization
