Chapter 1 Flashcards
1
Q
Characteristics of living organisms
A
- Growth
- Sensitivity
- Movement
- Respiration
- Reproduction
- Nutrition
- Excretion
2
Q
What is growth?
A
- permanent increase in dry mass
- increase in cell size and number
3
Q
What is movement?
A
- action that allows an organism or part of an organism to move from place to place.
4
Q
What is sensitivity?
A
- ability to detect and respond to changes in surroundings/ external stimuli
5
Q
What is respiration?
A
- breakdown of nutrient molecules to release energy for activities
6
Q
What is reproduction?
A
- ability to produce offspring
7
Q
What is nutrition?
A
- taking in nutrients for energy, growth and development
8
Q
What is excretion?
A
- removal of waste of substances in excess of requirements
9
Q
Binomial nomenclature
A
- scientific names of organisms that is universally agreed upon
- names are in latin
- first part: genus
- second part: species
10
Q
Organism kingdoms
A
- Animal
- Plant
- Protoctist
- Prokaryote
- Fungi
11
Q
Animal
A
- no cell wall, chloroplasts
- nucleus present
12
Q
Plant
A
- cellulose wall and chloroplasts present
- feed through photosynthesis
13
Q
Fungi
A
- cell wall present
- no chloroplasts
- can feed parasitically/ saprophytically
- multi- / uni- cellular
14
Q
Protoctist
A
- cell wall may/may not be present
- may or may not have chloroplasts
- multi- / uni- cellular
15
Q
Prokaryote
A
- no nucleus
- circular loop of DNA
- have plasmids
