Ch. 3.2

Question 1

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

Answer 1

[Key features] X2

Classification

Question 2

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 ____________

Answer 2

Key features, external, key features, name

Question 3

classification helps us _____________________________________________________________________.

Answer 3

Identify and study living things systematically

Question 4

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

Answer 4

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

Question 5

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

Answer 5

Key

Question 6

How scientists categorise living things:
1.
2.
3.
4.
5.
6.
7.
(Hint: 6+7=scientific name)

Answer 6

1. Kingdom
2. Phylum
3. Class
4. Order
5. Family
6. Genus
7. Species

Question 7

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

Answer 7

Swedish, Cal Linnaeus, 1707, 1778

Question 8

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

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

Answer 8

Backbone
Vertebrate
Invertebrate

Question 9

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

Answer 9

Inside, bend easily

Question 10

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

Answer 10

Fish, snake, goose, human

Question 11

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

Answer 11

Jellyfish, earthworm, snail, butterfly

Question 12

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

Answer 12

Fish, amphibians, reptiles, birds, mammals

Question 13

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

Answer 13

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

Question 14

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 ______________ __________

Answer 14

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

Question 15

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

Answer 15

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

Question 16

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

Answer 16

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

Question 17

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

Answer 17

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

Question 18

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

Answer 18

320000, classify, key features

Question 19

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

Answer 19

Vascular plants and non-vascular plants, vascular tissues

Question 20

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

Answer 20

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

Question 21

Vascular plants can grow __________________ than non-vascular plants.

Answer 21

Faster

Question 22

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 ___________.

Answer 22

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

Question 23

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

Answer 23

Seed plants, seedless plants, seeds

Question 24

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

Answer 24

Seeds, reproduction, fruit

Question 25

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 ____________________________.

Answer 25

Spores, reproduction, smaller, sacs, underside of leaves

Question 26

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

Answer 26

Flowering plants, non-flowering plants, flowers

Question 27

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

Answer 27

Flowers, fruits, fruits, vegetables

Question 28

Plants that do not produce flowers are ______________________ ______________.

Answer 28

Non-flowering plants.