Answer:
D. The Conus arteriosus of the amphibian heart receives blood from the right atrium and passes the blood on to the pulmonary circulation. This keeps oxygenated and nonoxygenated blood separate.
Explanation:
The conus arteriosus plays an important role in directing blood into the correct arterial arches in amphibian which keeps oxygenated and nonoxygenated blood separate from one another. The Conus arteriosus of the amphibian heart receives blood from the right atrium chamber of heart and passes the blood on to the pulmonary circulation which keeps oxygenated and nonoxygenated blood separate from each other and there is no need for partial ventricular septum.
Answer:
15. C
16. C
17. B
18. ?
19.B
20.A
21.B
Hope this helps, sorry I didn't know 18.
Matter and electricity. i hope this answer has come to your pleasing
Well if we had a list of options we could maybe help you
Answer:
Agar
Explanation:
In the given question, the substance obtained from a multi-cellular organism with its plant-like and stores starch like a plant is the algae.
Many useful substances are obtained from these algae whose characteristics are given are like they are jelly-like, used as food, used to grow the cultures of organism shows the properties of a chemical called agar.
Agar is obtained from the species of genus Gelidium and the Gracllaria red algae which are plant-like organisms.
Thus, agar is the correct answer.