Human Origins And Evolution - Biology How Life Work | Biology+

Course

Anatomy & Physiology

Study Pack

Set 1: Life: Chemical, Cellular, and Evolutionary Foundations

Set 2: The Molecules of Life

Set 3: Nucleic Acids and Transcription

Set 4: Translation and Protein Structure

Set 5: Organizing Principles: Lipids, Membranes, and Cell Compartments

Set 6: Making Life Work: Capturing and Using Energy

Set 7: Cellular Respiration: Harvesting Energy From Carbohydrates and Other Fuel Molecules

Set 8: Photosynthesis: Using Sunlight to Build Carbohydrates

Set 9: Cell Signaling

Set 10: Cell and Tissue Architecture: Cytoskeleton, Cell Junctions, and Extracellular Matrix

Set 11: Cell Division: Variations, Regulation, and Cancer

Set 12: Dna Replication and Manipulation

Set 13: Genomes

Set 14: Mutation and Dna Repair

Set 15: Genetic Variation

Set 16: Mendelian Inheritance

Set 17: Inheritance of Sex Chromosomes, Linked Genes, and Organelles

Set 18: The Genetic and Environmental Basis of Complex Traits

Set 19: Genetic and Epigenetic Regulation

Set 20: Genes and Development

Set 21: Evolution: How Genotypes and Phenotypes Change Over Time

Set 22: Species and Speciation

Set 23: Evolutionary Patterns: Phylogeny and Fossils

Set 24: Human Origins and Evolution

Set 25: Cycling Carbon

Set 26: Bacteria and Archaea

Set 27: Eukaryotic Cells: Origins and Diversity

Set 28: Being Multicellular

Set 29: Plant Structure and Function: Moving Photosynthesis Onto Land

Set 30: Plant Reproduction: Finding Mates and Dispersing Young

Set 31: Plant Growth and Development

Set 32: Plant Defense: Keeping the World Green

Set 33: Plant Diversity

Set 34: Fungi: Structure, Function, and Diversity

Set 35: Animal Nervous Systems

Set 36: Animal Sensory Systems and Brain Function

Set 37: Animal Movement: Muscles and Skeletons

Set 38: Animal Endocrine Systems

Set 39: Animal Cardiovascular and Respiratory Systems

Set 40: Animal Metabolism, Nutrition, and Digestion

Set 41: Animal Renal Systems: Water and Waste

Set 42: Animal Reproduction and Development

Set 43: Animal Immune Systems

Set 44: Animal Diversity

Set 45: Animal Behavior

Set 46: Population Ecology

Set 47: Species Interactions, Communities, and Ecosystems

Set 48: Biomes and Global Ecology

Set 49: The Anthropocene: Humans As a Planetary Force

Set 24 Human Origins And Evolution

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Set 24 Human Origins And Evolution

(Multiple Choice)

Free

Researchers use the denaturation temperatures of hybrid double helices to compare evolutionary relatedness. Complementary strands denature at 95 degrees. A researcher engineers a hybrid strand from two species and it denatures at 93 degrees. What does this mean?

A)The hybrid double helices are more complementary than the non-hybrid.
B)The hybrid double helices are less complementary than the non-hybrid.
C)The species are more closely related than any other two species.
D)The hybrid strands' base pairs had fewer mismatches.

Answer

(Multiple Choice)

Free

Consider the following diagram:

Consider the following diagram: The divergence in the tree seen at 30 million years ago represents the: A)split between New and Old World monkeys. B)split between Old World monkeys and apes. C)divergence between chimpanzees and humans. D)speciation event caused by a split in the common ancestor.

The divergence in the tree seen at 30 million years ago represents the:

A)split between New and Old World monkeys.
B)split between Old World monkeys and apes.
C)divergence between chimpanzees and humans.
D)speciation event caused by a split in the common ancestor.

Answer

(Multiple Choice)

Free

_____ was the first hominin to leave Africa and did so around _____ million years ago.

A)Homo ergaster (H. erectus); 2
B)Ardipithecus ramidus; 4
C)Australopithecus afarensis; 3.2
D)H. neanderthalensis; 0.6
E)H. habilis; 1.7

Answer