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Diversity of Organisms (Chapter 5 Part 1)

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Biodiversity refers to the ____________ and _____________ of organisms within a particular area. (2 answers)

a)

species

b)

variety

c)

number

d)

colour

2.

Variations are ___________ in traits or characteristics between individuals.

a)

similarities

b)

differences

3.

Which TWO factors lead to differences between individuals in a species?

a)

effects of the environment

b)

effects of luck

c)

difference in intelligence

d)

difference in combination of genes

4.

What does this show? (picture description - 5 different species with 1 individual each)

a)

Species richness

b)

Species diversity

5.

What does this show? (picture description - 3 different species with 1 individual each)

a)

Species richness

b)

Species diversity

6.

What does this show? (picture description - 3 species with 2 individuals each, 1 species with 1 individual)

a)

Species richness

b)

Species diversity

7.

What aspect of biodiversity does this picture illustrate? (description - giraffes with different coat colorations, ranging from light to dark)

a)

Different species

b)

Variation within species

c)

Variation between different species

8.

Why is biodiversity important in natural systems?

a)

It is important for the stability of systems in nature.

b)

It is important for research purposes.

c)

It is important for survival of species in nature.

d)

If is important for species to evolve in nature.

9.

Which is INCORRECT about the benefits of natural resources to humans?

a)

Raw materials like wood can be used to build furniture and houses.

b)

Spices can be used in our food to flavour it.

c)

Medicines like antibiotics can be used to cure illnesses.

d)

Plastic can be used to make many useful household objects.

10.

Which of these are threats to biodiversity? (you may choose more than 1 answer)

a)

Invasion of other organisms

b)

Disease

c)

Excessive hunting

d)

Change or loss of habitat

11.

What is the benefit of recycling and reusing materials?

a)

Preserve biodiversity by limiting the destruction of habitats.

b)

More people will know about protecting wildlife.

c)

There will be less threats from non-native species on the biodiversity in the area.

12.

What can we do to preserve biodiversity on earth? (you may choose more than one answer)

a)

Recycling and reusing materials

b)

Education - raising awareness of the importance of protecting wildlife.

c)

Stopping the introduction of non-native species into the environment

d)

Volunteering with wildlife conservation organisations