Biology, 28.01.2021 16:30 lillyawesome28
The Earth is approximately 4.5 billion years old. Life first appeared 3.5 billion years ago with prokaryotic cells. The first eukaryotic cell did not appear until 2.5 billion years ago approximately. We know this because of the fossil record. How did those first eukaryotic cells get here? What are your ideas concerning the evolution of the first eukaryotic cells? Do not concern yourself with how life first formed, rather just concern yourself with how eukaryotic cells first evolved. Please look at this from a scientific standpoint and not a religious point of view.
Answers: 3
Biology, 21.06.2019 16:00
The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?
Answers: 2
Biology, 22.06.2019 02:30
Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.
Answers: 1
Biology, 22.06.2019 03:30
State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)
Answers: 1
Biology, 22.06.2019 11:40
Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.
Answers: 1
The Earth is approximately 4.5 billion years old. Life first appeared 3.5 billion years ago with pro...
Mathematics, 18.11.2020 22:20
Mathematics, 18.11.2020 22:20
English, 18.11.2020 22:20
History, 18.11.2020 22:20
Chemistry, 18.11.2020 22:20
Chemistry, 18.11.2020 22:20
Mathematics, 18.11.2020 22:20
Mathematics, 18.11.2020 22:20