Biology, 17.07.2019 07:00, acavalieri72
Some tortoises that feed on grasses were observed on an island. some years later, an environmental change caused the grasses to grow a bit higher off the ground. what evolutionary feature will you expect to see in the tortoises on the island?
Answers: 2
Biology, 21.06.2019 21:30, rosarioemily580
Which of these statements are true about scientific theories and hypothesis
Answers: 1
Biology, 22.06.2019 03:00, flores1717
What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.
Answers: 2
Biology, 22.06.2019 18:30, ezzyandrade7
Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.
Answers: 2
Some tortoises that feed on grasses were observed on an island. some years later, an environmental c...
Mathematics, 08.06.2020 23:57
Mathematics, 08.06.2020 23:57