Term
| what are the characteristics of a living organism? |
|
Definition
| Metabolism, Reproduction, sensitivity, growth, respiration, excretion nutrition |
|
|
Term
|
Definition
| the process of cumulative change in the heritable characteristics of a population. |
|
|
Term
|
Definition
| greater survival and reproductive success of individuals with favourable heritable variations which can lead to changes in a population. |
|
|
Term
|
Definition
| the origin of a new species induced by a splitting of an original species. |
|
|
Term
|
Definition
| a group of organisms that can interbreed and produce fertile young. |
|
|
Term
| When did Darwin publish 'The Origin of Species' |
|
Definition
|
|
Term
| When does variation take place in the fertilization of an organism? |
|
Definition
| during meiosis, metaphase I during the arrangement of chromosomes. |
|
|
Term
| Why do population sizes of species stay relatively stable? |
|
Definition
| selection pressure = environmental resources such as food and living space are limited. |
|
|
Term
| briefly outline an example of micro-evolution (eg peppered moths) |
|
Definition
| as long as evidenced its good. eg. peppered moths used to be mainly white and lived on white trees, but during the industrial revolution the barks turned dark and this became more common in the peppered moth population. recently white again. |
|
|
