Ch. 3.2 Flashcards

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1
Q

[Scientists observe the _______ _____________ in living things and put the living things with similar ______________ _______________ into the same group]

A

[Key features] X2

Classification

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2
Q

Steps to classification:
1. Observe the ________ ____________ in living things
!!!_____________ features to classify the differences=
key
2. Put living things with similar _______ __________ in the same group
3. Give the group a ____________

A

Key features, external, key features, name

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3
Q

classification helps us _____________________________________________________________________.

A

Identify and study living things systematically

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4
Q

Scientists make a ______ based on the key features of living things
A ______ can be used to identify living things that _________________________, or to _____________________________________________.

A

Key, key, we do not know, distinguish between living things that are similar

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5
Q

We use a _______ to identify living things based on their key features.

A

Key

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6
Q
How scientists categorise living things:
1.
2.
3.
4.
5.
6.
7.
(Hint: 6+7=scientific name)
A
  1. Kingdom
  2. Phylum
  3. Class
  4. Order
  5. Family
  6. Genus
  7. Species
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7
Q

The system of naming living things was developed by the _______________ scientist __________________________________ (_______-_______)

A

Swedish, Cal Linnaeus, 1707, 1778

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8
Q

Scientists classify all animals into two main groups based on whether or not they have a _______________:

  1. _________________ (with)
  2. _________________ (without)
A

Backbone
Vertebrate
Invertebrate

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9
Q

Our backbone supports our body from the _______________. Multiple sections of backbone helps us ____________________________.

A

Inside, bend easily

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10
Q
Name four living things with backbones:
1. 
2.
3.
4.
A

Fish, snake, goose, human

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11
Q
Name four living things without backbones:
1.
2.
3.
4.
A

Jellyfish, earthworm, snail, butterfly

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12
Q
Scientists further classify vertebrates into five groups:
1.
2.
3.
4.
5.
A

Fish, amphibians, reptiles, birds, mammals

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13
Q

Six special feature of fish:
~live in _____________
~have __________ ___________
~have __________ for _____________ ___________ _____________
~have __________ for _____________
~body temperature changes/ doesn’t change with the surroundings
~lay _____________ _______ ___________

A

Water, slimy scales, gills for breathing in water, fins for swimming, changes, eggs in water

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14
Q

Six special features for amphibians:
~can live in ____________ _____________ and on __________
~have _____________ _____________ but no _______________
~young have __________ for breathing in __________
~adults breathe through _____________ and ____________
~body temperature changes/ doesn’t change with surroundings
~lay ___________ in ______________ __________

A

Fresh water and on land, moist skin but no scales, gills for breathing in water, lungs and skin, changes, eggs in fresh water

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15
Q

Four special features for reptiles:
~have ________ _________ ____________
~have ____________ for ______________
~body temperature changes/ doesn’t change with surroundings
~lay _____________ ___________ on _____________

A

Hard dry scales, lungs for breathing, changes, shelled eggs on land

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16
Q

Six special features of birds:
~have ______________
~have ______________ for ______________
~have ______________ for ______________
~have ______________
~body temperature changes/ doesn’t change with surroundings
~lay _________________ _______ on ____________

A

Feathers, lungs for breathing, beak for feeding, wings, doesn’t change, shelled eggs on land

17
Q

Five special features of mammals:
~have __________
~have __________ for ______________
~have ______________ ______________ that ______________ ____________ for ______________ ________ _____________
~body temperature changes/ doesn’t change with surroundings
~do not ______ ________ but ___________ _________ to ____________ _______________

A

Hair, lungs for breathing, mammary glands that produces milk for feeding the young, doesn’t change, lay eggs, give birth, live young

18
Q

Scientists have identified more than __________________ kinds of plants on Earth. They also ____________ plants into groups based on their ________ _______________.

A

320000, classify, key features

19
Q

All plants can be classified into ______________ _________ and ____________________ ___________, based on whether or not they have _________________ ___________.

A

Vascular plants and non-vascular plants, vascular tissues

20
Q

Vascular plants have ______________ __________ for ____________________ _______________, ________________ and _________________ through their _____________, ___________ and _________________.

A

Vascular tissues, water, nutrients and minerals, roots, stems and leaves

21
Q

Vascular plants can grow __________________ than non-vascular plants.

A

Faster

22
Q

Non-vascular plants don’t have ____________ __________. They are ________ plants that usually grow in ____________ places. They do not have ____________ to absorb water, but absorb water directly through their ____________ ____________________. A common example is ___________.

A

Vascular tissues,small, damp, roots, body surface, moss

23
Q

Vascular plants can be further classified into __________ _____________ and ____________ ______________, based on whether or not they produce _____________.

A

Seed plants, seedless plants, seeds

24
Q

Seed plants produce ____[a]_____ for ________________. [a] are usually protected inside a ____________.

A

Seeds, reproduction, fruit

25
Q

Seedless plants do not produce the things seed plants produce. Instead, some of them produce ___________ for ___________________. They are ____________ than seeds and are contained in _________ that are located on the ____________________________.

A

Spores, reproduction, smaller, sacs, underside of leaves

26
Q

Seed plants can be further classified into _____________ ___________ and ___________________ __________, based on whether or not they produce ______________.

A

Flowering plants, non-flowering plants, flowers

27
Q

Some seed plants produce _____________ and ____________-> flowering plants. Most of the ___________ and ________________ we eat come from flowering plants.

A

Flowers, fruits, fruits, vegetables

28
Q

Plants that do not produce flowers are ______________________ ______________.

A

Non-flowering plants.