Name:
Class:
Date given:
Date due in:
Evolution
1. These two animals are the same species. Give two ways that they show variation. [2]
2. Give one cause of variation in a species. [1]
3. Match the keyword to its definition. [2]
extinct
variety of species that live on Earth
endangered
all members of a species have died out
biodiversity
at risk of species dying out
4. Variation within a species can lead to evolution by natural selection. Explain how. [6]
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Heading from page 1
5. What is a gene bank? Tick all correct answers [1]
storage for denim trousers
storage of genes from different species
storage of blood from animals
6. What is the purpose of a gene bank? Tick all correct answers [1]
used to make new organisms of extinct species
used to make new organisms of endangered species
used to maintain biodiversity
7. How are genes stored? Tick all correct answers [1]
plant seeds are collected and stored
animal gametes are frozen and stored
young plants are grown and then frozen
animal blood samples are chilled and stored
Learning Outcomes (tick if achieved)
Q1, 2
I can describe variation and causes of variation.
Q3
I understand what extinct and endangered mean.
Q4
I can describe natural selection and evolution.
Q5,6,7
I know what a gene bank is and what its purpose is.
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Evolution Answers
1. These two animals are the same species. Give two ways that they show variation. [2]
colour, height, leg length, reins, saddle etc.
2. Give one cause of variation in a species. [1]
genetic or environmental
3. Match the keyword to its definition. [2]
extinct
variety of species that live on Earth
endangered
all members of a species have died out
biodiversity
at risk of species dying out
4. Variation within a species can lead to evolution by natural selection. Explain how. [6]
max 6 from:
variation creates different characteristic features
some features are advantageous
advantageous features improve survival
surviving organisms reproduce
advantageous features are inherited
increase of advantageous features in population
more members survive with advantageous feature
increasing numbers of offspring with advantageous feature
species changes over time
5. What is a gene bank? Tick all correct answers [1]

storage of genes from different species
6. What is the purpose of a gene bank? Tick all correct answers [1]



used to make new organisms of extinct species
used to make new organisms of endangered species
used to maintain biodiversity
7. How are genes stored? Tick all correct answers [1]


plant seeds are collected and stored
animal gametes are frozen and stored