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BIO 111 Study Exam 1

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Biology Quiz sobre BIO 111 Study Exam 1, criado por anajaneee . em 24-09-2016.
anajaneee .
Quiz por anajaneee ., atualizado more than 1 year ago
anajaneee .
Criado por anajaneee . quase 8 anos atrás
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Resumo de Recurso

Questão 1

Questão
_______ gives variety.
Responda
  • differences
  • similarities

Questão 2

Questão
___________ give stability.
Responda
  • similarities
  • differences

Questão 3

Questão
DNA are long thread-like molecules coiled into genes.
Responda
  • True
  • False

Questão 4

Questão
Chromosome are essentially DNA molecules.
Responda
  • True
  • False

Questão 5

Questão
Genes are specific region of DNA located linearly on specific chromosomes.
Responda
  • True
  • False

Questão 6

Questão
How many kinds of chromosomes do diploid cells contain?
Responda
  • one (n)
  • two (2n)

Questão 7

Questão
How many kinds of chromosomes do haploid cells contain?
Responda
  • one (n)
  • two (2n)

Questão 8

Questão
Do most organisms have diploid cells or haploid cells?
Responda
  • diploid
  • haploid

Questão 9

Questão
[blank_start]Cell division[blank_end] is the natural division of [blank_start]one[blank_end] cell into [blank_start]two[blank_end] cells. It is the division of the [blank_start]cytoplasm[blank_end].
Responda
  • Cell division
  • one
  • two
  • cytoplasm

Questão 10

Questão
The process when an [blank_start]animal[blank_end] cell pinches itself in half during the process of cytokinesis is called [blank_start]cleavage[blank_end].
Responda
  • animal
  • cleavage

Questão 11

Questão
In cell division of [blank_start]plant[blank_end] cells, a cell will build a wall between two current walls by [blank_start]coalescence[blank_end] of cells, forming a plate that enlarges.
Responda
  • plant
  • coalescence

Questão 12

Questão
The two types of nuclear division are [blank_start]mitosis[blank_end] and [blank_start]meiosis[blank_end].
Responda
  • mitosis
  • meiosis

Questão 13

Questão
Nuclear division occurs before cytokinesis.
Responda
  • True
  • False

Questão 14

Questão
In the process of [blank_start]mitosis[blank_end], one nucleus divides into two.
Responda
  • mitosis

Questão 15

Questão
Mitosis has ONE duplication and ONE division.
Responda
  • True
  • False

Questão 16

Questão
If the parent cell has 16 chromosomes and goes through the process of MITOSIS, how many daughter cells will it produce, and with how many chromosomes?
Responda
  • 2 daughter cells, 16 chromosomes each
  • 2 daughter cells, 8 chromosomes each
  • 4 daughter cells, 8 chromosomes each
  • 4 daughter cells, 16 chromosomes each

Questão 17

Questão
[blank_start]Mitosis[blank_end] makes two nuclei from one nucleus and the two new nuclei contain the same number of chromosomes as the parent.
Responda
  • Mitosis

Questão 18

Questão
Essentially, when mitosis ends, the organism is dead.
Responda
  • True
  • False

Questão 19

Questão
The functionality of mitosis is:
Responda
  • Make more identical cells
  • The growth of multicellular organisms
  • asexual reproduction for unicellular organisms
  • None of the above

Questão 20

Questão
Meiosis is a specialized type of nuclear division that only occurs at certain times in certain organisms.
Responda
  • True
  • False

Questão 21

Questão
Meiosis has [blank_start]ONE[blank_end] duplication and [blank_start]TWO[blank_end] divisions.
Responda
  • ONE
  • TWO

Questão 22

Questão
If a parent cell has 16 chromosomes and goes through the process of meiosis, how many daughter cells will it produce and with how many chromosomes each?
Responda
  • 2 daughter cells, 16 chromosomes each
  • 2 daughter cells, 8 chromosomes each
  • 4 daughter cells, 16 chromosomes each
  • 4 daughter cells, 8 chromosomes each

Questão 23

Questão
Meiosis does not end after Division II.
Responda
  • True
  • False

Questão 24

Questão
The functionality of meiosis is
Responda
  • take diploid nuclei, convert to haploid cells
  • sexual reproduction; producing gametes and spores
  • asexual reproduction

Questão 25

Questão
In most organisms, meiosis does not produce gametes or spores
Responda
  • True
  • False

Questão 26

Questão
Evolution is the [blank_start]grand unifying theory[blank_end] of biology.
Responda
  • grand unifying theory

Questão 27

Questão
Who first proposed the idea of gradualism in a geological sense?
Responda
  • Darwin
  • Hulton
  • Wallace

Questão 28

Questão
Lamark proposed a mechanism for how life and things change throughout time: the idea of USE AND DISUSE; that body parts used most evolve to become bigger and stronger.
Responda
  • True
  • False

Questão 29

Questão
[blank_start]Lyell[blank_end], a geologist, proposed the idea that gradualism is still happening at the same rate. He studied geological records and published "Principles of Geology."
Responda
  • Lyell

Questão 30

Questão
Darwin thought that Lyell's gradualistic ideas could apply biologically too.
Responda
  • True
  • False

Questão 31

Questão
Darwin's 3 observations of nature include:
Responda
  • Unity of Life
  • Diversity of Life
  • Match between organisms & their environment; descent with modification
  • gradualism

Questão 32

Questão
Darwinism (the theory of evolution) consists of these major components:
Responda
  • perpetual change (always changing)
  • Common descent (living things have unified history, life comes from life)
  • Multiplication of Species (a single ancestral population can split to produce 2 or more populations, becoming different from each other)**
  • Gradualism (populations of organisms accumulate small changes over long periods of time)
  • Natural Selection (mechanism that explains how organisms appear to be designed to meet the demands of their environments "adaptation"
  • none of the above

Questão 33

Questão
[blank_start]Artificial[blank_end] selection is the process through which humans modify species over many generations by selecting and breeding individuals that possess desired traits.
Responda
  • Artificial

Questão 34

Questão
Darwin's 4 postulates are:
Responda
  • differences - individuals within a population differ from one another
  • inheritance - the differences are passed down from parent to offspring
  • some individuals are more successful at surviving and reproducing than others
  • the successful individuals are not merely luck, but succeed because of the variant traits they have inherited and will pass onto their offspring
  • gradualism
  • perpetual change
  • multiplication of species

Questão 35

Questão
Individuals with favorable traits will, on average, survive better than those with unfavorable traits; known as differential survival.
Responda
  • True
  • False

Questão 36

Questão
Individuals with more favorable traits will usually produce more offspring; known as differential reproduction.
Responda
  • True
  • False

Questão 37

Questão
[blank_start]Adaptation[blank_end] is an inherited characteristic of an organism that enhances their survival and reproduction in specific environments. A trait that increases an organism's fitness relative to individuals lacking it is called [blank_start]relative fitness[blank_end]; the contribution an individual makes to the gene pool of the next generation via [blank_start]reproduction[blank_end].
Responda
  • Adaptation
  • relative fitness
  • reproduction

Questão 38

Questão
Natural selection is the only process that can naturally create adaptation.
Responda
  • True
  • False

Questão 39

Questão
Natural selection operates on [blank_start]individuals[blank_end], selected for/against (more fit, less fit). (not an all or none process)
Responda
  • individuals

Questão 40

Questão
When faced with a changing environment, what options does a population have?
Responda
  • adapt (via ns)
  • move/disperse (if there is somewhere to go
  • go extinct, die

Questão 41

Questão
Natural selection can only act on existing variations
Responda
  • True
  • False

Questão 42

Questão
Evolution is limited by historical constraints.
Responda
  • True
  • False

Questão 43

Questão
Adaptations are often compromises
Responda
  • True
  • False

Questão 44

Questão
Chance, natural selection, and the environment all interact.
Responda
  • True
  • False

Questão 45

Questão
Which concept distinguishes a species using distinctive external features?
Responda
  • Morphological
  • Biological
  • Ecological
  • Phylogenetic

Questão 46

Questão
Which concept says a group of population whose member have the potential to interbreed and produce viable, fertile offspring among their species?
Responda
  • Morphological
  • Biological
  • Ecological
  • Phylogenetic

Questão 47

Questão
Which concept views a species based on its ecological niche? (niche=sum of species using biotic and abiotic resources in its environment)
Responda
  • Morphological
  • Biological
  • Ecological
  • Phlyogenetic

Questão 48

Questão
Which concept focuses on the smallest group of individuals on a phylogenetic tree? Phylogenetic defines a species as the smallest group of individuals that share a common ancestor (e.g. morphology, molecular sequences)
Responda
  • Morphological
  • Biological
  • ecological
  • phylogenetic

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