Coordinates action and responses by sending signals from one part of the body to another.
Answer:
Waves carry energy from one place to another. Because waves carry energy, some waves are used for communication, eg radio and television waves and mobile telephone signals. There are many types of waves including sound waves, water waves and all the parts of the electromagnetic spectrum.
Explanation:
Answer:
Adaptation is the process of adjusting something to better match its environment or situation. Evolution is a broad term that refers to any change in anything over time.
Answer:
1 and 6 are correct
Explanation:
1. A and B are probably closely related - true, as reflected by their close gene sequences which usually represents a very close genetic relationship
2. B and C are probably closely related - false, if their gene sequences are very different then they are probably not so closely related
3. A and C are probably closely related - false, we know A and B are close, and B and C are very different, therefore A is probably also very different
4. B is probably an outgroup while A and C are sister taxa - false, A and B are highly similar
5. A is probably an outgroup while B and C are sister taxa - false, B and C are very different genetically
6. C is probably an outgroup while A and B are sister taxa - true, we know A and B share similar gene sequences, whereas C is distinct.