Which is an organ?
1 heart
2 circulatory system
3 blood
4 muscle tiss...
Biology, 28.03.2020 21:44 rimcdaniel2
Which is an organ?
1 heart
2 circulatory system
3 blood
4 muscle tissue
Answers: 2
Biology, 22.06.2019 10:50
Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above
Answers: 1
Biology, 22.06.2019 12:30
This is the interaction of two organisms where one is and the other is neither nor harmed.
Answers: 1
Biology, 22.06.2019 14:30
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
Answers: 2
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