WorksheetsOSE 7.5 Test - Lessons 1- 10
Total questions: 19
Worksheet time: 10mins
Name
Class
Date
1.
What happens to living things in an ecosystem when there are more or fewer resources?
a)
It doesn’t matter; animals just change quickly.
b)
It affects how many animals there are and how healthy they are.
c)
It changes what color the animals are.
d)
It makes animals move to cities.
2.
If forests are cut down and replaced with palm tree farms, which animals might grow in number?
a)
Orangutans
b)
Tigers
c)
Rats
d)
None of these
3.
How can changes in things like sunlight, water, or temperature affect animals and plants?
a)
They don’t really matter much.
b)
They always bring in more different kinds of life.
c)
They can make populations grow or shrink.
d)
They make ecosystems stronger.
4.
What helps keep many different kinds of life in an ecosystem?
a)
Having more people
b)
Having fewer types of animals and plants
c)
Helping just one kind of plant or animal
d)
Finding and using ways to protect nature
5.
How do people affect nature?
a)
They can change or even destroy natural places.
b)
People don’t really affect nature.
c)
People only help the environment.
d)
Nature always gets better because of people.
6.
What is one way to reduce harm from palm oil farming in rainforests?
a)
Expanding oil palm plantations
b)
Clearing more land for agriculture
c)
Increasing the use of pesticides
d)
Developing sustainable farming practices
7.
What is a challenge for farmers who want to switch to better, eco-friendly farming?
a)
They need to ensure their families can still be supported.
b)
Sustainable practices are less efficient.
c)
They fear attracting more wildlife.
d)
There is too much land available for farming.
8.
Why does palm oil farming hurt rainforests?
a)
It doesn’t hurt rainforests at all.
b)
Palm trees only grow in cities.
c)
Palm trees grow best in the same places rainforests do, so forests get cut down.
d)
Palm trees grow well in dry deserts.
9.
Why do rats, pigs, and snakes often grow in number when palm farms replace rainforests?
a)
They like eating palm fruits.
b)
They do well in the new environment without predators.
c)
Farmers raise them to sell.
d)
It gets cooler, which they like.
10.
What happens when there are not enough resources for animals and plants?
a)
It doesn’t change anything.
b)
Too many resources make populations smaller.
c)
Not enough resources can make populations smaller.
d)
Only predators decide population sizes.
11.
What happens to ecosystems when there are big changes in resources?
a)
It makes the ecosystem stronger.
b)
The changes are small and fix themselves fast.
c)
It can cause big changes in the number and kinds of animals and plants.
d)
It doesn’t change anything.
12.
Why do scientists run experiments more than once when studying ecosystems?
a)
It helps them be more sure about their results.
b)
It makes their data worse.
c)
Doing it once is enough.
d)
It helps finish the experiment faster.
13.
When there is competition between populations for the same resource, it keeps numbers from__________ too much.
a)
increasing
b)
decreasing
c)
staying the same
14.
It's normal for population sizes to fluctuate throughout the year
a)
true
b)
false
15.
If the number of rainforest fruit trees goes up, then competition between orangutans:
a)
increases
b)
decreases
c)
stays the same
16.
Which of the following populations are decreasing in Indonesia?
a)
humans
b)
snakes
c)
rats
d)
orangutans
17.
Which of the following activities changes natural habitats? (more than one correct answer)
a)
farming
b)
hiking
c)
building houses
d)
building roads
18.
Oil Palm trees grow best near the:
a)
Poles
b)
Equator
c)
Mid-latitudes (halfway between equator and poles)
d)
They can grow anywhere!
19.
Stays about the same
a)
fluctuation
b)
trend
c)
population
d)
stable
100 %
