Biology, 26.07.2019 11:00, brenda0113hernandez
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa. what characteristic of science does this discovery represent? scientific ideas are not reliable. scientific ideas are always open to revision. scientists should not trust the work of other scientists. scientists should not seek new evidence once a scientific idea is proven.
Answers: 2
Biology, 22.06.2019 02:30, florochoa217
Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.
Answers: 1
Biology, 22.06.2019 03:30, tpenn2476
Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 1
Biology, 22.06.2019 09:00, elianagilbert3p3hh63
Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b. through genes c. through seasonal cycles d. through hibernation
Answers: 2
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at...
Mathematics, 11.12.2020 01:00
English, 11.12.2020 01:00
Mathematics, 11.12.2020 01:00
Mathematics, 11.12.2020 01:00