1. courtship rituals 2. attract a mate 3. internal fertalisation occurs inside the feamales body whereas external fertalisation occurs outside the feamales body 4. <span>Gametes may get washed away 5. the devoloping zygote is protected</span>
A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
By using<span> the complete genetic material from a regular body </span>
<span>Curiosity. Curiosity is a fundamental characteristic of a good scientist. ...Creativity. ...Accuracy of Observation. ...<span>Skepticism.
but they dont need playing around not being skepticism.</span></span>
The importance of the semi-conservative model is unhealthy old and new genes cancel each other. The result new cells are disease and mutation free. ... DNA replication is semiconservative because DNA is composed of two complementary strands, each of which acts as template to construct a new strand complementary to itself.