The Power of Natural Selection

At which level does natural selection occur?

Which of the following examples illustrates natural selection?

What happens to individuals in natural selection?

What happens to populations in natural selection?

Which scientist developed the concept of natural selection independently of Darwin?

Who proposed the theory of inheritance of acquired characteristics?

What was Darwin's contribution to advancing our knowledge of the natural world?

What was Lamarck's contribution to advancing our knowledge of the natural world?

What is a homologous trait?

How are homologous traits evidence for evolution?

Which of the following is an example of a homologous trait discussed in the lecture?

How are analogous traits different from homologous traits?

Why do unrelated organisms share analogous traits?

Which of the following is a random change to a sequence of bases in an organism's DNA?

Which of the following describes a change in allele frequencies produced by random differences in survival and reproduction?

Which of the following describes the exchange of alleles between populations?

How do mutation, genetic drift, and gene flow contribute to biological evolution?

What is the process where individuals with helpful traits are more likely to survive and pass those traits on to their offspring?

What is speciation and what is required for it to occur?

What is the main requirement for speciation to occur?

What happens during speciation?

Which of the following best describes a phylogeny?

What types of information are used to construct phylogenetic trees?

Which of the following is NOT a type of information used to construct phylogenetic trees?

Which term represents the entities themselves in a phylogenetic tree?

What do branches represent in a phylogenetic tree?

What is a common ancestor in a phylogenetic tree?

Which of the following is a reason why homologies infer close relationships?

What is the significance of organisms sharing similar physical features and genomes?

Why are homologous traits considered evidence for close relationships?

Which of the following is a characteristic that differentiates Archaea from Bacteria?

Which of the following is a characteristic that differentiates Bacteria from Eukarya?

Which two domains of life are more closely related?

Which domain of life contains cells that do not contain a nucleus?

Which type of diagram is used to depict the lines of evolutionary descent of different species, organisms, or genes from a common ancestor?

When comparing and contrasting different groups of organisms, what is the purpose of using tables and/or outlines?

What is the name of the diagram that is used to depict the lines of evolutionary descent of different species, organisms, or genes from a common ancestor?

Which of the following groups of organisms is characterized by being prokaryotic and having a unique cell wall composition?

Which group of organisms is genetically and biochemically distinct from bacteria and often found in extreme environments?

Which group of organisms is eukaryotic and often grouped together for convenience as they don't fit neatly into other categories?

Which subgroup of protists is heterotrophic and can move using structures like flagella or cilia?

Which group of organisms is photosynthetic, eukaryotic, and can be unicellular or multicellular?

What is the function of roots in plants?

What is the function of stems in plants?

What is the function of leaves in plants?

Which group of plants is characterized by the presence of flowers and fruits?

What innovation allowed gymnosperms to have better protection and dispersal of offspring?

Which group of plants is the most abundant and diverse in many ecosystems?

Which of the following is a component of the structure of fungi?

What are fungi composed of?

What is the general structure of fungi?

What is the distinguishing feature of sponges?

What is the distinguishing feature of cnidarians?

What is the distinguishing feature of flatworms?

What is the distinguishing feature of mollusks?

What is the distinguishing feature of annelids?

Which of the following is a distinguishing feature of chordates/vertebrates?

What do chordates/vertebrates have in common with other animal groups?

What broader category do chordates/vertebrates belong to on the phylogenetic tree?

What is a key characteristic of chordates/vertebrates during some stage of development?

What may replace the notochord in vertebrates?

Which major vertebrate group is characterized by being warm-blooded, possessing feathers, and laying hard-shelled eggs?

Which major vertebrate group is characterized by being warm-blooded, possessing hair or fur, and giving birth to live young?

Which major vertebrate group is characterized by being terrestrial, breathing through lungs, and having scales or bony plates?

Which major vertebrate group is characterized by typically living in both aquatic and terrestrial environments and developing lungs after starting life with gills?

Which major vertebrate group is characterized by being aquatic, having gills for respiration, and most having scales?

Which group of mammals includes humans, apes, monkeys, and prosimians?

Which family of primates includes modern humans and our closest extinct relatives?

Which subgroup of hominids includes modern humans and our direct ancestors?

What is a distinguishing feature of primates?

Which of the following characteristics is unique to plants?

Which of the following is a distinguishing feature of animals?

Which of the following is a characteristic shared by fungi and animals?

Which of the following groups is primarily sessile (non-moving) and anchored to the ground?

Which two groups share a common ancestor in the broader context of eukaryotic life?