Answer: C & A
Explanation:
The HOX genes encodes important transcription factors. This factors causes protein to be made that specify cell fate and identify; embryonic primary axis, secondary axis and plays important roles in various tracts development.
<span>B. Inherited behaviors that allow animals to survive and reproduce will be spread throughout the population and can evolve by natural selection.</span>
Answer:
1. E.coli
2. Intestinal tract
Explanation:
E.coli bacteria are useful to humans when they live in the large intestine of humans. The large intestine is an important digestive structure as it is important for the reabsorption of the nutrients.
The E.coli living in the intestine use the available digested nutrients and synthesises the vitamin B and K which are absorbed and utilised by the human body.
Thus, E.coli and Intestinal tract is correct.
Answer:
Here are more than three reasons
1. In the search of food for their survival.
2. To protect themselves from their enemies.
3. To get a suitable temperature for their reproduction.
4. To get a perfect habitat to increase their survival rate.
5. To get more prey and a safe place.
6. In search of a better climate that suits their body.