Ichthyosaurs were aquatic reptiles. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are a. examples of convergent evolution.
b. homologous.
c. adaptations to a common environment.
d. Three of the responses above are correct.
e. Two of the responses above are correct.
Answers: 2
Another question on Biology
Biology, 21.06.2019 16:50
Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.
Answers: 1
Biology, 22.06.2019 13:00
What problem would a person most likely have if her kidney did not work correctly?
Answers: 2
Biology, 22.06.2019 15:30
At the age of 6 months, caleb was diagnosed with tay-sachs disease. as his primary care physician, what would you tell his parents about this disease?
Answers: 1
Biology, 23.06.2019 00:00
Slab pull is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere, causing
Answers: 1
You know the right answer?
Ichthyosaurs were aquatic reptiles. Fossils show us that they had dorsal fins and tails, as do fish,...
Questions
Mathematics, 01.04.2020 21:02
Physics, 01.04.2020 21:02
Mathematics, 01.04.2020 21:03
Mathematics, 01.04.2020 21:03
Mathematics, 01.04.2020 21:03
Mathematics, 01.04.2020 21:03
Mathematics, 01.04.2020 21:03
Mathematics, 01.04.2020 21:03
Mathematics, 01.04.2020 21:03
