characteristics and classification Flashcards
useless ahh
1
Q
define movement
A
- action by an organism or part of organism
- causing change of position or place
2
Q
define respiration
A
- chemical reactions in cells
- that break down nutrient molecules
- release energy for metabolism
3
Q
define sensitivity
A
- ability to detect & respond to changes
- in the internal/external environment
4
Q
defien growth
A
- permanent increase in size & dry mass
5
Q
define reproduction
A
- processes that make more
- of the same kind of organism
6
Q
define excretion
A
- removal of waste products of metabolism
- and substances excess of requirements
7
Q
define nutrition
A
- taking in of materials
- for energy growth development
8
Q
define species
A
- group of organisms that can reproduce
- to produce fertile offspring
9
Q
describe binomial system
A
- internationally agreed system
- in which the scientific name of an organism
- is made up of 2 parts
- genus and species
10
Q
What is a classification system?
A
- System to classify organisms into groups by the features they share
11
Q
How are traditional classification systems designed?
A
Reflect evolutionary relationships
- Based on morphology and anatomy
12
Q
What is a more accurate way to classify organisms?
A
Sequence of bases in DNA
- Sequences of amino acids in proteins
13
Q
Explain how DNA sequence and ancestry are related
A
- More recent ancestors share more similar base sequences in DNA
