![subject](/tpl/images/cats/biologiya.png)
Giraffes with short necks lived in arid regions and fed on grasses. over time, grasses disappeared, forcing giraffes to eat from trees. mutations in the genome led to some giraffes inheriting the trait for long necks. over time, there were more giraffes with long necks in the region. what are the two reasons for the change in the population of giraffes? adaptation, artificial selection, natural selection, analogous structures
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 17:00
Which of the following is not an example of conflict between related individuals?
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 01:30
Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?
Answers: 2
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:00
Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow
Answers: 1
You know the right answer?
Giraffes with short necks lived in arid regions and fed on grasses. over time, grasses disappeared,...
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 23.06.2019 12:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30
![question](/tpl/images/cats/en.png)
English, 23.06.2019 12:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 23.06.2019 12:30
![question](/tpl/images/cats/mat.png)
Mathematics, 23.06.2019 12:30