Chapter 2- Characteristics Of life Flashcards
1
Q
What is an organism?
A
A living thing
2
Q
What does biodiversity mean?
A
The variety of living things on earth
3
Q
What is metabolism?
A
All chemical reactions that take place in living cells
4
Q
What does continuity of life mean?
A
The ability of an organism to exist from one generation to the next
5
Q
What are the characteristics of life?
A
Organisation Nutrition Excretion Response Reproduction
6
Q
What does unicellular mean?
A
Organisms made up of one cell
Eg. Amoeba
7
Q
What is sexual reproduction?
A
Male and female cells produced
Offspring are similar but not identical to parents
8
Q
What is asexual reproduction?
A
No sex cells produced
Offspring are identical to parent
9
Q
What are the chemical elements found in living things?
A
Carbon, C Hydrogen, H Oxygen, O Nitrogen, N Phosphorus, P Sulfur, S
10
Q
What are the trace elements?
A
Copper, Cu
Zinc, Zn
Iron, Fe