Biology, 04.02.2020 08:44 mocheal8216
Why is the horseshoe crab an example of a living fossil?
a. there are fossils of extinct ancestors of horseshoe crabs, and the species is still alive today.
b. it hasn't changed since it first appeared on earth.
c. the structures in the horseshoe crab don't decompose, so complete fossils are discovered.
d. it's often found frozen to death and free of decomposition.
Answers: 3
Biology, 22.06.2019 05:20
The mammal pictured below is a silvery mole rat. which statement is an inference based on the picture? the animal is ugly. the animal has hairless feet with sharp claws. the animal has prominent upper and lower incisor teeth. the animal likely has poor vision since its eyes are so small.
Answers: 2
Biology, 22.06.2019 10:00
Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area
Answers: 1
Biology, 22.06.2019 12:00
Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.
Answers: 2
Biology, 22.06.2019 16:30
9. technology can bring both good and bad things. building a vertical farm can increase food supplies in cities (good), but it may cause unemployment in rural areas (bad). give another example of both the good and bad sides of a technological advancement (5 noints)
Answers: 1
Why is the horseshoe crab an example of a living fossil?
a. there are fossils of extin...
a. there are fossils of extin...
Mathematics, 25.10.2019 22:43
Mathematics, 25.10.2019 22:43
Social Studies, 25.10.2019 22:43
English, 25.10.2019 22:43
Mathematics, 25.10.2019 22:43
History, 25.10.2019 22:43
Mathematics, 25.10.2019 22:43
History, 25.10.2019 22:43
Mathematics, 25.10.2019 22:43