lecture 1 Flashcards
1
Q
What are the 8 Characteristics of life
A
Cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, Growth and development Adaption through evolution
2
Q
What is the size of a Eukaryote
A
10-100 microns 10^-6
3
Q
What are components of the cell measured in
A
nanometres
4
Q
When does evolution occur
A
When organisms change, pass on characteristics or survive differently
5
Q
What is natural selection
A
survival of the fittest where favourable alleles are selected. It acts on shape, colour and biological molecules
6
Q
What are the requirements of natural selection
A
Variation, Inheritance, selection and time
7
Q
What is a Phylogenetic Tree
A
it shows how closely species are related
8
Q
What are the 3 domains of the tree of life
A
Archaea, Eukarya, Bacteria
9
Q
what are the mains branches of Eukarya
A
Animals, Land Plants, Fungi
