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Interdependence and adaptation is one of the subjects covered within science in high school. This quiz looks at the adaptation of different organisms to their environment. It is a key part of biology and an understanding of it will help students to comprehend the theory of evolution.
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Adaptation can mean many things but in biology it means a characteristic that makes an organism suited to its environment. This helps them to compete for the resources they need for survival. You have probably heard the expression "survival of the fittest". This sums up one of the basic facts of biology - the plants and animals that are better adapted can compete more effectively and will be the most successful.
A plant of a certain species with long roots will be able to survive dry conditions better than one with shorter roots as it will be able to get water for longer. That's called variation. The shorter rooted plant may die but the other will live and be able to reproduce. Its offspring will have the longer roots so they will be able to survive as well. When the next drought happens, the new generation of plants will be suited to their environment - they will have adapted. The adaptation (also called an adaptive trait or adaptive characteristic) is root length.
Adaptations can enable organisms to live in extreme conditions, a good example of this being the emperor penguin. This lives in the Antarctic and breeds in temperatures as low as minus 30 degrees. They have many adaptations that enable them to do this - for a start, they are large birds. This means that they have a low surface area to volume ratio. Since heat is lost from the surface of an animal, in cold areas, the smaller this ratio is the better as it means that less heat will be lost than if they were smaller. They have a layer of fat just under the skin which keeps their body heat in; fine feathers that trap warm air next to their body; feathers that shed water very easily when the come out of the sea and some pretty neat tricks with the muscles and tendons of their wings and feet! But their key adaptation is behavioral. They huddle together for warmth. An individual penguin could not survive, in a large group their body heat is shared - you may even have done an experiment using hot water and test tubes to investigate this!
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1.
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An adaptation is: |
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[ ] |
A characteristic that is useful to an organism |
[ ] |
A competition between two organisms |
[ ] |
Only relevant to plants |
[ ] |
Only relevant to animals |
|
|
2.
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Which of the following adaptations help to make sharks such good predators? |
|
[ ] |
Rough skin |
[ ] |
Streamlined body |
[ ] |
Poor sense of smell |
[ ] |
All of the above |
|
|
3.
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Plants compete for ... |
|
[ ] |
only water and nutrients |
[ ] |
water, nutrients, space to grow and light |
[ ] |
only water and light |
[ ] |
only space to grow and light |
|
|
4.
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For which of the following do animals not compete? |
|
[ ] |
Mates |
[ ] |
Territory |
[ ] |
Food |
[ ] |
Light |
|
|
5.
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Organisms that are tolerant of high levels of salt, high temperatures or high pressures are called what? |
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[ ] |
Extremophiles |
[ ] |
Extremophobes |
[ ] |
Extremocytes |
[ ] |
Extremophages |
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6.
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The jackrabbit is an animal that lives in the desert. One of its adaptations is that it has much larger ears than rabbits living in Britain. Which of the following is the least likely to be true? |
|
[ ] |
Bigger ears can help it to hear predators coming |
[ ] |
Hot air muffles sound so it needs bigger ears to hear |
[ ] |
It can lose heat from its ears instead of sweating |
[ ] |
Big ears are more attractive during the mating season |
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|
7.
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What is the most likely reason from the answers below to explain why roses have thorns? |
|
[ ] |
The thorns grip on walls to keep the rose plants from falling over |
[ ] |
The thorns are there to stop animals from eating the rose plant |
[ ] |
They grow thorns because they help form the flowers |
[ ] |
Thorns attract insects for pollination |
|
|
8.
|
Why do polar bears have white fur? |
|
[ ] |
To keep them warm when they lie on the ice |
[ ] |
To absorb infra-red radiation from the Sun |
[ ] |
To protect them from predators |
[ ] |
It is camoflage to stop their prey spotting them |
|
|
9.
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Some tribes of the Amazon rainforest obtain a poison for their hunting arrows from certain brightly colored frogs. Why are these frogs brightly colored? |
|
[ ] |
To keep them cool |
[ ] |
It makes their skin completely waterproof |
[ ] |
The poison in the frogs makes their skin turn brightly colored |
[ ] |
For protection |
|
|
10.
|
The Sahel is the area at the southern edge of the Sahara Desert in Africa. As the human population in the Sahel has increased they have created more farmland for growing crops. The populations of the various wild animals has ... |
|
[ ] |
increased because there is more food for them to eat |
[ ] |
decreased because their normal food and habitat has been replaced by farmers' crops |
[ ] |
increased because the farmers children like to feed the wild animals |
[ ] |
decreased because they don't like farmers |
|
|
1.
|
An adaptation is: |
|
[x] |
A characteristic that is useful to an organism |
[ ] |
A competition between two organisms |
[ ] |
Only relevant to plants |
[ ] |
Only relevant to animals |
|
|
2.
|
Which of the following adaptations help to make sharks such good predators? |
|
[ ] |
Rough skin |
[x] |
Streamlined body |
[ ] |
Poor sense of smell |
[ ] |
All of the above |
|
|
3.
|
Plants compete for ... |
|
[ ] |
only water and nutrients |
[x] |
water, nutrients, space to grow and light |
[ ] |
only water and light |
[ ] |
only space to grow and light |
|
|
4.
|
For which of the following do animals not compete? |
|
[ ] |
Mates |
[ ] |
Territory |
[ ] |
Food |
[x] |
Light |
|
|
5.
|
Organisms that are tolerant of high levels of salt, high temperatures or high pressures are called what? |
|
[x] |
Extremophiles |
[ ] |
Extremophobes |
[ ] |
Extremocytes |
[ ] |
Extremophages |
|
|
6.
|
The jackrabbit is an animal that lives in the desert. One of its adaptations is that it has much larger ears than rabbits living in Britain. Which of the following is the least likely to be true? |
|
[ ] |
Bigger ears can help it to hear predators coming |
[x] |
Hot air muffles sound so it needs bigger ears to hear |
[ ] |
It can lose heat from its ears instead of sweating |
[ ] |
Big ears are more attractive during the mating season |
|
|
7.
|
What is the most likely reason from the answers below to explain why roses have thorns? |
|
[ ] |
The thorns grip on walls to keep the rose plants from falling over |
[x] |
The thorns are there to stop animals from eating the rose plant |
[ ] |
They grow thorns because they help form the flowers |
[ ] |
Thorns attract insects for pollination |
|
|
8.
|
Why do polar bears have white fur? |
|
[ ] |
To keep them warm when they lie on the ice |
[ ] |
To absorb infra-red radiation from the Sun |
[ ] |
To protect them from predators |
[x] |
It is camoflage to stop their prey spotting them |
|
|
9.
|
Some tribes of the Amazon rainforest obtain a poison for their hunting arrows from certain brightly colored frogs. Why are these frogs brightly colored? |
|
[ ] |
To keep them cool |
[ ] |
It makes their skin completely waterproof |
[ ] |
The poison in the frogs makes their skin turn brightly colored |
[x] |
For protection |
|
|
10.
|
The Sahel is the area at the southern edge of the Sahara Desert in Africa. As the human population in the Sahel has increased they have created more farmland for growing crops. The populations of the various wild animals has ... |
|
[ ] |
increased because there is more food for them to eat |
[x] |
decreased because their normal food and habitat has been replaced by farmers' crops |
[ ] |
increased because the farmers children like to feed the wild animals |
[ ] |
decreased because they don't like farmers |
|
|