The Origin And History Of Life - Biology Concepts and Investigations | Biology+

Course

Introductory Biology

Study Pack

Set 1: The Scientific Study of Life

Set 2: The Chemistry of Life

Set 3: Cell Structure and Function

Set 4: The Energy of Life

Set 5: Photosynthesis

Set 6: How Cells Release Energy

Set 7: DNA Structure and Gene Function

Set 8: DNA Replication, mitosis, and the Cell Cycle

Set 9: Sexual Reproduction and Meiosis

Set 10: Patterns of Inheritance

Set 11: DNA Technology

Set 12: The Forces of Evolutionary Change

Set 13: Evidence of Evolution

Set 14: Speciation and Extinction

Set 15: The Origin and History of Life

Set 16: Viruses

Set 17: Bacteria and Archaea

Set 18: Protists

Set 21: Animals

Set 22: Plant Form and Function

Set 23: Plant Nutrition and Transport

Set 24: Reproduction and Development of Flowering Plants

Set 25: Animal Tissues and Organ Systems

Set 26: The Nervous System

Set 27: The Senses

Set 28: The Endocrine System

Set 29: The Skeletal and Muscular Systems

Set 30: The Circulatory System

Set 31: The Respiratory System

Set 32: Digestion and Nutrition

Set 33: Regulation of Temperature and Body Fluids

Set 34: The Immune System

Set 35: Animal Reproduction and Development

Set 36: Animal Behavior

Set 37: Population Ecology

Set 38: Communities and Ecosystems

Set 40: Preserving Biodiversity

Set 15 The Origin And History Of Life

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Set 15 The Origin And History Of Life

(Multiple Choice)

Free

Ediacaran organisms lived during the _____ period.

A) Precambrian
B) Jurassic
C) Devonian
D) Cambrian
E) Silurian

Answer

(Multiple Choice)

Free

It is thought that the first multicellular organisms arose about _____ years ago.

A) 500 million
B) 1.2 billion
C) six billion
D) 3.5 billion
E) three billion

Answer

(Multiple Choice)

Free

Evidence supporting the idea that mitochondria and chloroplasts in present-day cells originated as independent organisms includes

A) similarities in size and shape between mitochondria and some bacteria.
B) similarity between photosynthetic pigments in chloroplasts and cyanobacteria.
C) similarities in DNA sequences between mitochondrial and bacterial genomes.
D) similarity in the way mitochondria, chloroplasts, and bacteria reproduce.
E) All of the answer choices are correct.

Answer