A Slow Unfolding The History Of Life On Earth - Technology Update Biology | Biology+

Course

Introductory Biology

Study Pack

Set 1: Science As a Way of Learning: a Guide to the Natural World

Set 2: Fundamental Building Blocks: Chemistry, Water, and Ph

Set 3: Lifes Components: Biological Molecules

Set 4: Lifes Home: the Cell

Set 5: Lifes Border: the Plasma Membrane

Set 6: Lifes Mainspring: an Introduction to Energy

Set 7: Vital Harvest: Deriving Energy From Food

Set 8: The Green Worlds Gift: Photosynthesis

Set 9: The Links in Lifes Chain: Genetics and Cell Division

Set 10: Preparing for Sexual Reproduction: Meiosis

Set 11: The First Geneticist: Mendel and His Discoveries

Set 12: Units of Heredity: Chromosomes and Inheritance

Set 13: Passing on Lifes Information: Dna Structure and Replication

Set 14: How Proteins Are Made: Genetic Transcription, Translation, and Regulation

Set 15: The Future Isnt What It Used to Be: Biotechnology

Set 16: An Introduction to Evolution: Charles Darwin, Evolutionary Thought, and the Evidence for Evolution

Set 17: The Means of Evolution: Microevolution

Set 18: The Outcomes of Evolution: Macroevolution

Set 19: A Slow Unfolding: the History of Life on Earth

Set 20: Arriving Late, Traveling Far: the Evolution of Human Beings

Set 21: Viruses, Bacteria, Archaea, and Protists: the Diversity of Life 1

Set 22: Fungi : the Diversity of Life 2

Set 23: Animals: the Diversity of Life 3

Set 24: Plants: the Diversity of Life 4

Set 25: The Angiosperms: Form and Function in Flowering Plants

Set 26: Body Support and Movement: the Integumentary, Skeletal, and Muscular Systems

Set 27: Communication and Control 1: the Nervous System

Set 28: Communication and Control 2: the Endocrine System

Set 29: Defending the Body: the Immune System

Set 30: Transport and Exchange 1: Blood and Breath

Set 31: Transport and Exchange 2: Digestion, Nutrition, and Elimination

Set 32: An Amazingly Detailed Script: Animal Development

Set 33: How the Baby Came to Be: Human Reproduction

Set 34: An Interactive Living World 1: Populations in Ecology

Set 35: An Interactive Living World 2: Communities in Ecology

Set 36: An Interactive Living World 3: Ecosystems and Biomes

Set 19 A Slow Unfolding The History Of Life On Earth

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Set 19 A Slow Unfolding The History Of Life On Earth

(Multiple Choice)

Free

To be a successful cell evolutionarily, the earliest cells had to:

A) reproduce.
B) consume oxygen.
C) photosynthesize.
D) have mitochondria.

Answer

(Multiple Choice)

Free

If a 10-mile-wide comet hit Earth, how would this likely affect the history of life?

A) A mass extinction would occur, followed by lots of evolutionary change among descendants of the survivors.
B) A slow climate warming and drying would begin, decreasing the biological diversity on Earth.
C) Continental drift would be reversed, and all the continents would slowly be pushed together again.
D) Most species would become extinct, and the rest would remain more or less unchanged.

Answer

(Multiple Choice)

Free

The greatest extinction event of all time occurred at the end of the:

A) Permian period.
B) Mesozoic era.
C) Cretaceous period.
D) Cambrian period.

Answer