Biology, 13.12.2019 07:31, janahiac09
2. an adaptive advantage of having a three-chambered heart, as found in amphibians, over the two-chambered heart of fish is thata. there are capillary beds in both the respiratory organ and body systems of amphibians but not fish. b.the additional chamber in the amphibian heart reduces blood flow to the respiratory organ. c.fully oxygenated blood returning to the amphibian heart can undergo additional pumping to reach higher pressures. d.fully oxygenated blood is kept completely separate from relatively deoxygenated blood in the heart. e.amphibians can tolerate higher environmental pressures.
Answers: 2
Biology, 22.06.2019 02:30, robert7248
The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community
Answers: 1
Biology, 22.06.2019 16:30, gujaratif932
Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.
Answers: 1
2. an adaptive advantage of having a three-chambered heart, as found in amphibians, over the two-cha...
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