Lecture 2 Flashcards
8 characteristics of life
Metabolism Respiration Sensitivity Homeostasis Cellular organisation Heredity Adaptation to evolution Response to stimuli Growth and development
Which is larger
Eukaryotic cells or prokaryotic cells
Eukaryotic cells
Eukaryote cells have a…
membrane bound organelles including a nucleus
Evolution
The gradual development / change over time
How are natural selection and evolution related
Natural selection is the process by which evolution occurs
Requirements for natural selection
Inheritance
Selective pressures
Time
Variation
What does a phylogenetic tree represent
Relatedness of characteristics between organisms
What did eukaryotes evolve from
Prokaryote cells / bacteria
What did mitochondria derive from
Proteobacteria
What did chloroplasts derive from
Cyanobacteria
Structural feature of mitochondria and chloroplasts…
Double membrane
Autonomous organelles
Have own ribosomes and DNA
Do prokaryote cells have membrane bound organelles
No
What do fungi and larger come under… prokaryotes or eukaryotes
Eukaryotes
What do archaea and bacteria come under… eukaryotes or prokaryotes
Prokaryotes
