![subject](/tpl/images/cats/biologiya.png)
Biology, 14.09.2019 05:30 BigDaddy1220
Why was the evolution of the extraembryonic membranes crucial for colonization of land by the vertebrates? extraembryonic membranes
a. provide nutrients that produce energy for development
b. direct morphogenesis within the embryo
c. give rise to crucial organ systems, like the heart and brain
d. provide an aqueous environment for embryo development
![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)
Biology, 21.06.2019 17:30
What is the sequence of amino acids corresponds with the rna strand ucg ggg cac
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 14:20
As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 19:30
When sodium chloride dissolves in water the sodium cholride dissociates into?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 22:30
What happens to a food web when deforestation occurs due to urbanization? how does it effect the carbon cycle? how does this relate to photosynthesis?
Answers: 3
You know the right answer?
Why was the evolution of the extraembryonic membranes crucial for colonization of land by the verteb...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 02.12.2020 02:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 02.12.2020 02:00
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 02:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
Arts, 02.12.2020 02:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 02:00
![question](/tpl/images/cats/istoriya.png)