B2

Question 1

What is classification?

Answer 1

Where biologist put living things into groups, making them easier to study

Question 2

Living things are grouped together if….

Answer 2

they share lots of similar characteristics

Question 3

What are kingdoms?

Answer 3

Kingdoms are the five major groups living things are placed into

Question 4

Give five characteristics of plants

Answer 4

Made of many calls
Cells walls made of cellulose
Cells contain chloroplasts
Light used to make food by photosynthesis
Grow in a spreading manner

Question 5

Give five characteristics of animals

Answer 5

Made of many cells
No chloroplasts
Unable to make food so feed on other organisms
Compact body shape
Most are capable of moving around

Question 6

Give three characteristics of fungi

Answer 6

Cell walls are produced of chitin
They reproduce by forming spores
Do not photosynthesise

Question 7

Give one characteristic of protoctista

Answer 7

Mostly single-celled (except for large algae)

Question 8

Give one characteristic for prokaryotes

Answer 8

No nucleus

Question 9

What are some examples of plants

Answer 9

Flowers, mosses grasses

Question 10

Give some examples of animals

Answer 10

Fish, insects, humans

Question 11

Give some examples of fungi

Answer 11

Mushrooms, toadstools, yeast

Question 12

Give some examples of protoctista

Answer 12

Amoeba, algae

Question 13

Give an example of prokaryotes

Answer 13

Bacteria

Question 14

What are vertebrates?

Answer 14

Animals with a backbone

Question 15

What are the five kingdoms?

Answer 15

Animals, plants, fungi, protoctista, prokaryotes

Question 16

What is the largest animal phyla? How much of animal species do they represent?

Answer 16

Arthropods. They represent 75% of animal species

Question 17

What are the 4 classes of arthropods?

Answer 17

Myriapods

Crustacea…

Question 18

…

Answer 18

…

Question 19

What are species?

Answer 19

Species are a group of similar organisms that are capable of interbreeding to produce fertile offspring

Question 20

What is the binomial system?

Answer 20

It is used by biologists to name organisms

Question 21

Explain the two part name in the binomial system

Answer 21

Each species are known by a two part name

The first name is the genus, and the second name identifies a single species

Question 22

How may closely related species look different?

Answer 22

If they live in different habitats

Question 23

What are the 4 similar characteristics chimpanzees share with humans?

Answer 23

Have a backbone
Feed young with milk
Skin covered in hairs
Grasping hands

Question 24

What is a hybrid?

Answer 24

Where the individuals of two closely related species can breed together. The offspring is a mixture of two different parents

Question 25

How do bacteria reproduce?

Answer 25

Asexually

Question 26

What is the concept of constant evolution?

Answer 26

That organism are slowly changing. They can eventually become new species

Question 27

What does a food chain show?

Answer 27

A food chain shows what organisms can eat, and the flow of energy form one organism to the next

Question 28

What is each link in the food chain called and why?

Answer 28

Each link in the food chain is a separate feeding level called a trophic level

Question 29

What are producers?

Answer 29

They are organisms such as plants that can make their own food. These always start the food chain

Question 30

What are consumers?

Answer 30

These are organisms that eat other organisms

Question 31

What are herbivores? What are they known as? What link are they in the food chain?

Answer 31

Herbivores are animals that eat other animals. They are also know as primary consumers. They are the second link in the food chain.

Question 32

What are carnivores? What are they known as? What link are they in the food chain?

Answer 32

These are animals that eat other animals. They are called secondary consumers. They are the third link in the food chain.

Question 33

What are top carnivores

Answer 33

Top carnivores are animals that eat other animals

Question 34

What are omnivores?

Answer 34

These are animals that eat both plant and animals meaning they are primary and secondary consumers

Question 35

What are detrital food chains?

Answer 35

These are food chains that start with dead material or waste

Question 36

What are the two feeding types in the detrital food chain?

Answer 36

Detritivores - organisms that eat dead material such as dry leaves Decomposers - decay the bodies of other organisms, but they do not eat them

Question 37

What is the difference between food chains and food webs?

Answer 37

Food chains show animals eating only one food source. Food webs are where animals may link to several food chains.