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EOC PRACTICE QUESTIONS #3. Free Powerpoint Templates. Bio.3.4 - Explain the theory of evolution by natural selection as a mechanism for how species change over time. . Change over time is called. evolution. 4 evidences of evolution are. Biochemical (#1) Fossil Anatomical Embryological.

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slide1

EOC PRACTICE

QUESTIONS

#3

Free Powerpoint Templates

slide2

Bio.3.4 - Explain the theory of evolution by natural selection as a mechanism for how species change over time.

4 evidences of evolution are
4 evidences of evolution are
  • Biochemical (#1)
  • Fossil
  • Anatomical
  • Embryological
the most primitive fossils are found in layer the more complex are in the layer
The most primitive fossils are found in ______ layer. The more complex are in the _______ layer.

- Bottom

  • Top
which shows a common ancestor
Which shows a common ancestor?

Homologous structures

structures that have no essential function are called examples are list5
Structures that have no essential function are called ________. Examples are __(list5)___.
  • vestigial structures
  • Appendix
  • wisdom teeth
  • tonsils in humans
  • Tail bone ( coccyx )
  • pelvic girdle and beginnings of femurs in whales
darwin s theory that those most adapt to the environment will survive and reproduce is called
Darwin’s theory that those most adapt to the environment will survive and reproduce is called
  • Natural Selection (survival of the fittest)
the 4 steps in darwin s theory are
The 4 steps in Darwin’s theory are
  • 1. Variation (due to sexual reproduction and other changes in the gene pool)
the 4 steps in darwin s theory are1
The 4 steps in Darwin’s theory are
  • 2. Overproduction (ensures species survival)
the 4 steps in darwin s theory are2
The 4 steps in Darwin’s theory are
  • 3. Competition(same habitat and niche)
the 4 steps in darwin s theory are3
The 4 steps in Darwin’s theory are
  • 4. Natural Selection (most adapt survive and their genes are passed onto their children)
label the graphs below
Label the graphs below.

Directional Selection

label the graphs below1
Label the graphs below.
  • Stabilizing Selection
label the graphs below2
Label the graphs below.
  • Disruptive Selection
slide18

Type of evolution in which similar organisms become different overtime due to their environments is called _______.Examples are : ___________.

  • divergent evolution or adaptive radiation
  • Darwin’s finches and turtles
  • whale and a human, both of which are mammals
type of evolution in which different organisms become more similar is called examples are
Type of evolution in which different organisms become more similar is called_______. Examples are: _____________.
  • convergent evolution
  • Fish and sharks, whales and dolphins, penguins and seals
  • (fish, aves –birds, mammals)
is when organisms adapt and evolve together to benefit their situation examples are
_____ is when organisms adapt and evolve together to benefit their situation. Examples are: _________.
  • Coevolution
  • Arthropods (insects in this case) and angiosperms
this diagram shows
This diagram shows : _________.

adaptive radiation or divergent evolution due to different environments

new species were formed because of
New species were formed because of _____.
  • isolation
  • in this case - geographic isolation
  • There is also temporal (reproduce at different times)
  • reproductive (do not have appropriate courtship behavior.)
type of evolution where appearance is stable followed by abrupt change is
Type of evolution where appearance is stable followed by abrupt change is_______________.
  • punctuated equlibrium
slide29
Which two organisms are most closely related, shark and toad, amphibian and primate or primate and rabbit?

primate and rabbit

what traits do primates exhibit
What traits do primates exhibit?
  • Vertebrae
  • bony skeleton
  • four limbs
  • amniotic egg
  • hair
not taking all of your antibiotics to kill all of the bacteria off can lead to
Not taking all of your antibiotics to kill all of the bacteria off can lead to _____.
  • antibiotic resistance
  • (variety allows some of the bacteria to survive and reproduce making super bugs)
  • example is tuberculosis resistance started in the prisons in Russia.
bt corn is scary to organic farmers because over usage can lead to
BT corn is scary to organic farmers because over usage can lead to _______________.
  • pesticide resistance where pests take over food supple making it necessary to make a more toxic substance to kill them
7 taxons broadest to most specific
7 taxons broadest to most specific
  • (Domain)
  • Kingdom
  • Phylum
  • Class
  • Order
  • Family
  • Genus
  • Species
slide36

The broadest of the above categories, the one that includes the most organisms is the ___. The most specific that contains organisms that can produce fertile offspring is ________.

  • Kingdom
  • Species
the two taxons it consists of are the which is always capitalized and the which is lower case
The two taxons it consists of are the _______, which is always capitalized and the ________ which is lower case.
  • Genus
  • species
slide40
The purpose of the scientific name is to have one name in _____ (language) to avoid having many ________ that vary location to location.
  • Latin
  • common names
label p for prokaryote e for eukaryote and b for both
Label P for prokaryote, E for eukaryote, and B for both
  • Membrane bound organelles like the mitochondria and chloroplasts - E
  • Smaller in size - P
  • Ribosomes - B
  • Living - B
  • Membrane bound nucleus - E
  • DNA - B
  • Larger cell - E
  • DNA not wrapped in a membrane - P
kingdom that is eukaryotic multicellular heterotrophic and has a cell wall made out of chitin
Kingdom that is eukaryotic, multicellular, heterotrophic and has a cell wall made out of chitin _____.
  • Fungi
kingdom that is unicellular prokaryotic and likes extreme environments
Kingdom that is unicellular prokaryotic and likes extreme environments ___________.
  • Archaebacteria
kingdom that is eukaryotic multicellular autotrophic and has a cell wall made out of cellulose is
Kingdom that is eukaryotic, multicellular, autotrophic , and has a cell wall made out of cellulose is ___________
  • Plantae
what are some characteristics of annelids according to the key
What are some characteristics of annelids according to the key?
  • Distinct head, tentacles are present, External shell not present