Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
Biological species concept PROS and CONS |
a part of the same species if they can breed to make fertile offspring PROS: useful, obvious CONS: cannot be used for extinct animals, doesn't account for asexual breeding, ethics |
|
|
Phylogeneics species concept PROS and CONS |
shared common ancestor and share traits (behavioural/morphological) PROS: Effective at determining gene flow, can be used to estimate extinct species CONS: hard to know where one species ends and another begins, some species look similar to others but cannot breed fertile offspring |
|
|
Homo heidelbergensis- when? |
600,000-200,000 years ago |
|
|
Homo sapiens when? |
earliest around 100,000-250,000 years ago |
|
|
Homo neanderthalensis when? |
200,000-40,000 years ago |
|
|
Homo erectus when? |
1.9 million - 70,000 years ago |
|
|
Homo ergasterwhen |
1.9-1.4 million years ago |
|
|
Homo habiliswhen |
2 million years ago |
|
|
Australopithecus afarensis when |
4-3 million years ago |
|
|
Australopithecus africanus when |
3-2 million years ago |
|
|
Australopithecus sediba when? |
2 million years ago |
