Biology, 06.05.2020 21:24 KHaire7013
Thylacosmilus is a marsupial, and Smilodon is a mammal. Thylacosmilus and Smilodon both have saber teeth, but they do not share an ancestor that had saber teeth. What are saber teeth for these organisms?
A. analogous structures
B .homologous structures
C. vestigial structures
D. mutated structures
Answers: 2
Biology, 22.06.2019 05:20
Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions
Answers: 2
Biology, 22.06.2019 12:40
Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.
Answers: 1
Thylacosmilus is a marsupial, and Smilodon is a mammal. Thylacosmilus and Smilodon both have saber t...
Biology, 12.07.2019 02:50
Mathematics, 12.07.2019 02:50
Physics, 12.07.2019 02:50
Mathematics, 12.07.2019 03:00
English, 12.07.2019 03:00
Mathematics, 12.07.2019 03:00