![subject](/tpl/images/cats/biologiya.png)
Biology, 07.08.2021 14:00 ashley2816
Which OF THESE is a reason why a bird 'sings'?
a. To mark out its territory to others of its own species
b. To frighten other birds that may attack / eat it
c. To attract its food like worms and insects
d. To wake up other birds and animals
Quick
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?
Answers: 3
You know the right answer?
Which OF THESE is a reason why a bird 'sings'?
a. To mark out its territory to others of its own sp...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 09.10.2019 16:40
![question](/tpl/images/cats/mat.png)
Mathematics, 09.10.2019 16:40
![question](/tpl/images/cats/mat.png)
Mathematics, 09.10.2019 16:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 09.10.2019 16:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.10.2019 16:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 09.10.2019 16:40
![question](/tpl/images/cats/mat.png)
Mathematics, 09.10.2019 16:40
![question](/tpl/images/cats/mkx.png)
Arts, 09.10.2019 16:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.10.2019 16:50
![question](/tpl/images/cats/ekonomika.png)
Business, 09.10.2019 16:50
![question](/tpl/images/cats/health.png)
Health, 09.10.2019 16:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 09.10.2019 16:50
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.10.2019 16:50