Search found 4 matches

by Emily
Mon Nov 28, 2005 5:20 pm
Forum: Evolution
Topic: Phylogenetic Tree
Replies: 1
Views: 8415

Phylogenetic Tree

Can someone help me with this biology question? 3. Some living forms are also found in the fossil record. 4. There are gaps in the fossil record for some lineages. Also, some species went extinct without leaving any descendants (remember the dinosaurs). 5. The Caminalcules were numbered at random; t...
by Emily
Wed Nov 23, 2005 7:13 pm
Forum: Evolution
Topic: Vestigial Structures
Replies: 3
Views: 15750

Vestigial Structures

How do vestigial structures provide clues about a species' evolutionary past?
by Emily
Wed Nov 23, 2005 2:57 pm
Forum: Evolution
Topic: Evolution Question
Replies: 7
Views: 46693

Evolution Question

Can someone help me with the following questions - 1. You will notice that some lineages (e.g., the descendants of species 56) branched many times and are represented by many living species. (A real world example would be the diversification of the mammals at the beginning of the Cenozoic period, ri...
by Emily
Thu Nov 17, 2005 3:31 pm
Forum: General Discussion
Topic: Bio question
Replies: 5
Views: 3413

Bio question

What is biology?