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Biology > Classification > Flashcards

Classification Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Why classify?

A

Allow scientists to identify, group and properly name organisms.

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2
Q

Artificial Classification

A

Sorts organisms into groups based on similar identifiable characteristics.

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3
Q

Natural classification

A

Organizes species into groups of organisms that share characteristics that have been inherited from a common ancestor.

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4
Q

Taxons

A

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.

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5
Q

3 Domains of living

A

Archaea, Bacteria, Eukarya

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6
Q

5 Kingdoms of living

A

Monera, Protista, Fungi, Plantae, Animalia.

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7
Q

Species

A

Most specific ranking in the taxonomic hierarchy.

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8
Q

Invertebrates are

A

Animals without backbones.

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9
Q

Vertebrates

A

Animals with backbones.

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10
Q

Mollusc’s Characteristics and examples

A

Have shells, rough tongue and a muscular foot.

  • Gastropods
  • Bivalves
  • Cephalopods
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11
Q

Annelid’s Characteristics and examples

A

Are segmented, bilateral symmetry, longitudinal muscles.

  • Earthworms
  • Leeches
  • Marine worms
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12
Q

Arthropod’s Characteristics and examples

A

Jointed legs, segmented body, exoskeleton.

  • Crustaceans
  • Insects
  • Arachnids
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13
Q

Mammal’s Characteristics

A
  • Give birth to live young
  • Feed milk to their babies
  • Have hair or fur
  • Warm blooded
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14
Q

Bird’s Characteristics

A
  • Have feathers
  • Lay eggs
  • Warm blooded
  • Hollow bones
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15
Q

Reptiles Characteristics

A
  • Dry skin covered with scales
  • Lay eggs
  • Cold blooded
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16
Q

Amphibians Characteristics

A
  • Smooth, moist skin
  • Able to live on land and water
  • Lay eggs
  • Cold blooded
17
Q

Fish Characteristics

A
  • Moist skin covered with scales
  • Breathe through gills
  • Lay eggs
  • Cold blooded
18
Q

Binomial System

A

Used to determine the identity of species

19
Q

Reproductive Isolation: Pre- zygotic barriers

A

Prevent members of different species from mating to produce a zygote, e.g. mechanical, behavioral and habitat isolation.

20
Q

Reproductive Isolation: Post- zygotic barriers & two outcomes.

A

Stop hybrid zygotes from developing into healthy, fertile adults.

  • The chromosomal mismatch is lethal to the embryo or the offspring is unhealthy
  • The hybrid survives to adulthood but is infertile.

Biology (11 decks)

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