Biodiversity

Question 1

Describe the principle by which we classify objects.

Answer 1

We group objects together that are similar in some way.

Question 2

What is the name of the science of classifying living organisms?

Answer 2

Taxonomy

Question 3

Name the 5 broad groups of living animals or kingdoms.

Answer 3

1. Bacteria
2. Protists
3. Fungi
4. Plants
5. Animals

Question 4

Name the Swedish naturalist who started the process of classifying all living things.

Answer 4

Carl Linnaeus

Question 5

Use the mnemonic Keep Plates Clean Or Family Grows Sick to name the 7 classification levels.

Answer 5

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

Question 6

Name the green pigment in plants.

Answer 6

Chlorophyl

Question 7

Name the two phylum in the animal kingdom.

Answer 7

Vertebrates and invertebrates.

Question 8

Name the phyla of animals that have a backbone.

Answer 8

Vertebrates

Question 9

Name the phyla of animals that don’t have a backbone.

Answer 9

Invertebrates

Question 10

Names the five classes of vertebrates.

Answer 10

1. Fish
2. Amphibians
3. Reptiles
4. Birds
5. Mammals

Question 11

What does it mean if an animal is cold-blooded?

Answer 11

It can’t control the temperature of its blood and so takes on the temperature of its surroundings.

Question 12

Describe the phyla of invertebrates call Athropoda.

Answer 12

All have jointed legs and an exoskeleton e.g. insects, arachnids and crustaceans.

Question 13

Describe the phyla Mollusca.

Answer 13

Soft-bodies animals like snails.

Question 14

What two groups (phyla) is the plant kingdom divided into?

Answer 14

1. Seed producing plants

2. Spore-producing plants

Question 15

How do spore producing plants reproduce?

Answer 15

They produce spores which can develop into new plants.

Question 16

Name the two groups (classes) that Seed-producing plants are divided into.

Answer 16

Angiosperms and Gymnosperms

Question 17

How do angiosperms reproduce?

Answer 17

Using flowers which grow seeds inside them when fertilised.

Question 18

How do gymnosperms reproduce?

Answer 18

They produce seeds in cones.

Question 19

Name the two groups (orders) or angiosperms.

Answer 19

Monocotyledons and dicotyledons

Question 20

What is the difference in the seeds of monocotyledons and dicotyledons?

Answer 20

mono contains 1 leaf in the seed and di contains 2.

Question 21

What is the difference in the root system of monocotyledons and dicotyledons?

Answer 21

mono - adventitious root system of many branches

di - tap root deep into soil

Question 22

What is the difference in the flowers of monocotyledons and dicotyledons?

Answer 22

mono - parts of flower arranged in multiples of 3

di - parts of flower arranged in multiples of 4 or 5

Question 23

What is the difference in the stems of monocotyledons and dicotyledons?

Answer 23

mono - remains green and flexible

di - starts green/flexible but become hard and woody

Question 24

What is the difference in the leaves of monocotyledons and dicotyledons?

Answer 24

mono - long leaves with parallel veins

di - different shaped leave with network of veins