NEW
Font size
Worksheets7.5 test Ecosystems
Total questions: 21
Worksheet time: 11mins
Which organism is an example of a decomposer?
Bears
Humans
Fungi
Plants
What is a common ingredient shared by more than half of packaged products in the United States?
Beef fat from cows
Palm oil derived from palm trees
Cotton fibers from plants
Chocolate extracted from cocoa
How does buying candy affect orangutan populations in the wild?
Orangutans are attracted to candy, causing them to leave their habitats.
Candy companies plant trees that orangutans do not like.
Orangutans eat the same fruit flavors that are used in candy.
Candy often contains palm oil from plantations that disrupt orangutan habitats.
Why are palm plantations harmful to orangutans?
They destroy the natural habitat of orangutans.
They provide too much food for orangutans.
Palm plantations are home to many Sumatran tigers.
Orangutans find it difficult to climb palm trees.
What is the connection between the growth of oil palm trees and the extinction of orangutans?
Oil palm plantations lead to deforestation, reducing the habitats of orangutans.
Oil palm trees are toxic to orangutans.
Orangutans eat too many oil palm fruits.
Oil palm trees provide shelter to orangutans.
How do orangutans help fruit trees in the rainforest?
By digging holes for the tree roots
By protecting the trees from insects
By dispersing seeds through spitting or defecating
By watering the trees with their drinking habits
What is a significant advantage of palm oil over canola and soybean oils?
It requires the most land per ton of oil.
It is highly productive and uses less land.
It is an ingredient only in traditional foods.
It has a lower level of vitamins compared to other oils.
Why is it important not to cut down rainforests to cultivate oil palm plants?
Because it harms the ecosystems and the animals that live there
Because rainforests do not have enough sunlight
Because oil palms cannot grow near rainforests
Because rainforests do not have water sources
What practical steps could you take to better understand how your local land has changed over time?
Travel to another country to see their land changes.
Ignore historical changes and focus only on the present.
Assume that the land has never changed.
Create and compare past and present images of the local land.
What is one reason why palm oil cultivation is attractive to farmers in Indonesia?
It can make them more money than growing rice.
It only requires a small amount of land.
It helps increase biodiversity in the area.
It requires fewer workers.
What changes could improve the situation for both the ecosystem and the farmers?
Eliminate all palm oil plantations.
Focus solely on rainforest conservation.
Double palm oil production.
Create sustainable palm oil farming practices.
How can scientists find out how many orangutans typically live in a rainforest?
Guessing based on how many trees there are
Measuring the size of the rainforest
Counting orangutans using drones with infrared cameras
Asking people who live near the rainforest
Why do orangutans need large spaces to live in the rainforest?
To access enough food resources to survive
To avoid predators that live in smaller areas
To have more space to play and socialize
To find water sources that are far apart
What would probably happen to a population of orangutans when there are more fruit trees?
The population may decrease.
The population may increase.
The population may remain the same.
The population may disappear.
If orangutans were to become extinct in the rainforest, how might that affect the ecosystem?
Some tree species might not disperse as widely.
There would be no impact on insects.
The canopy layer would disappear.
The number of fruit trees would increase.
Which of the following is sustainable?
Garbage
Deforestation
Endangered species
Diverse crop agriculture
What word means the same as "A group of organisms that live in the same place at the same time"?
Endangered
Ecosystems
Extinct
Population
What word means the same as "A community of living beings (plants, animals, water, soil, sunlight) interacting with their environment?"
Ecosystem
Palm oil
Population
Endangered
What word means the same as "An edible vegetable oil derived from the palm?"
Population
Palm oil
Ecosystem
Endangered
What word means the same as "Serious risk of extinction"?
Population
Palm oil
Ecosystem
Extinct
Endangered
What word means "The complete disappearance of a species"?
Ecosystem
Endangered
Extinct
Population
