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Biology Unit 7- Classification Flashcards | StudBud
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Biology Unit 7- Classification
Biology Unit 7- Classification
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39 cards
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Questions
39
Answers
1
What model describes slow evolutionary change?
Punctuated Equilibrium
Speciation
Gradualism
Cladogram
2
What term describes an organism's ability to survive and reproduce?
Gradualism
Variation
Fitness
Gene Flow
3
What chart shows evolutionary history?
Gene Pool
Phylogenetic Tree
Fossil Record
Cladogram
4
What kingdom includes multicellular, heterotrophic organisms?
Plant
Fungi
Bacteria
Animal
5
What dating method determines the exact age of fossils?
Relative Dating
Absolute Dating
Fossil Record
Adaptation
6
What describes the movement of alleles between populations?
Gene Pool
Genetic Drift
Speciation
Gene Flow
7
What term describes all the genes in a population?
Gene Pool
Genetic Drift
Gene Flow
Cladogram
8
What prevents species from interbreeding?
Speciation
Gene Flow
Isolating Mechanisms
Morphology
9
What is a random change in allele frequency?
Mutation
Natural Selection
Speciation
Genetic Drift
10
What term describes differences within a species?
Evolution
Speciation
Variation
Adaptation
11
What mechanism leads to the evolution of new species?
Gene Flow
Mutation
Speciation
Genetic Drift
12
What refers to changes in allele frequencies over time?
Extinction
Adaptation
Gene Frequency
Gene Flow
13
What diagram shows evolutionary relationships?
Morphology
Cladogram
Phylogenetic Tree
Fossil Record
14
What structures serve no current function but indicate ancestry?
Vestigial
Analogous
Fossilized
Homologous
15
What dating method compares fossils in different rock layers?
Gene Flow
Relative Dating
Absolute Dating
Speciation
16
What measures how common an allele is in a population?
Fitness
Speciation
Gene Pool
Allele Frequency
17
What domain includes extremophiles like Archaebacteria?
Protista
Eubacteria
Archaea
Eukarya
18
What group is broader than genus but smaller than order?
Family
Class
Domain
Species
19
What provides evidence of past life on Earth?
Homologous Structures
Gene Pool
Genetic Drift
Fossil Record
20
What is the process of human-driven breeding for desired traits?
Natural Selection
Punctuated Equilibrium
Genetic Drift
Artificial Selection
21
What is a permanent change in DNA?
Fitness
Genetic Drift
Gene Flow
Mutation
22
What type of organism requires oxygen to survive?
Anaerobe
Prokaryote
Eukaryote
Aerobe
23
What tool helps identify organisms based on traits?
Phylogenetic Tree
Dichotomous Key
Cladogram
Kingdom
24
What model describes rapid evolution followed by stability?
Punctuated Equilibrium
Disruptive Selection
Gradualism
Directional Selection
25
What type of organism can survive without oxygen?
Anaerobe
Protist
Fungi
Aerobe
26
What occurs when a species no longer exists?
Evolution
Adaptation
Extinction
Natural Selection
27
What process do bacteria use to reproduce asexually?
Meiosis
Conjugation
Mitosis
Binary fission
28
What structures have similar function but different origins?
Vestigial
Analogous
Homologous
Fossilized
29
What classification system uses two-part names?
Dichotomous key
Cladogram
Taxonomy
Binomial nomenclature
30
What type of selection favors the average trait?
Gradualism
Stabilizing
Directional
Disruptive
31
What type of selection favors one extreme trait?
Stabilizing
Directional
Genetic Drift
Disruptive
32
What field studies DNA to show evolutionary links?
Embryology
Adaptation
Phylogenetics
Molecular Biology
33
What process leads to species better suited to their environment?
Extinction
Mutation
Natural Selection
Genetic Drift
34
What type of selection favors both extreme traits?
Stabilizing
Disruptive
Directional
Speciation
35
What describes an organism's form and structure?
Morphology
Speciation
Cladistics
Variation
36
What term describes the process of change over time?
Speciation
Mutation
Evolution
Genetic Drift
37
What process results in the formation of new species?
Speciation
Adaptation
Fossil Record
Gene Flow
38
What field studies embryos to show evolutionary links?
Molecular Biology
Morphology
Gradualism
Embryology
39
What structures indicate common ancestry?
Vestigial
Cladistic
Analogous
Homologous