subject
Biology, 19.07.2019 14:40 kevinvalencia01

Birds and reptiles are both vertebrates that lay eggs but birds have beaks and reptiles have teeth. occasionally birds have teeth but only in the embryonic stage. which conclusion is best supported by the presence of teeth in bird embryos?

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 21:50
What initially causes a nerve impulse? release of enzymes out of the neuron movement of chemicals into the dendrites of the neuron pathogens attacking the dendrites of the neuron red blood cells bathing the neuron
Answers: 3
question
Biology, 22.06.2019 05:30
Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above
Answers: 1
question
Biology, 22.06.2019 10:30
Write the balanced chemical equation forphotosynthesis.
Answers: 1
question
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
You know the right answer?
Birds and reptiles are both vertebrates that lay eggs but birds have beaks and reptiles have teeth....
Questions
question
Mathematics, 25.03.2021 23:30
question
Mathematics, 25.03.2021 23:30
question
History, 25.03.2021 23:30
question
Arts, 25.03.2021 23:30
question
Mathematics, 25.03.2021 23:30