Human Impact and Biodiversity

Quiz
•
Science
•
7th Grade
•
Hard
+5
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which answer choice is true regarding human impact and the biodiversity of ecosystems? Select 2 answers.
We need to be careful not to take too many natural resources at one time, causing overexploitation.
We humans have respected all ecosystems and rarely overexploit resources.
Our world is “good to go” and every ecosystem has a stable environment.
Due to the overexploitation of many of the natural resources our planet has to offer, we are now
dealing with decreased biodiversity.
Tags
NGSS.HS-LS2-6
NGSS.HS-LS2-7
NGSS.HS-LS4-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which answer option would pose the largest threat to an ecosystem?
Increase in producers
Introduction of a non-native species
Increase in predators
Removal of an invasive species
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a non-native species is introduced to a new ecosystem and begins to cause harm, it is then referred to as a/an…
Invasive species
Native species
Native population
Monoculture
Tags
NGSS.MS-LS2-4
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Invasive species cause damage to ecosystems by…
Decreasing biodiversity
Increasing native plant or animal populations
Increasing biodiversity
Outcompeting native species, causing the native species to decrease
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-4
NGSS.MS-LS2-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Biodiversity is…
the variety of life in an ecosystem
having mainly one type of species in an ecosystem
having different kinds of abiotic factors
an ecosystem with many natural resources
Tags
NGSS.MS-LS2-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which answer is true regarding biodiversity?
as long as there are enough producers, an ecosystem is considered to have a good amount of biodiversity
the rainforest has an unhealthy ecosystem because its biodiversity is too great
an ecosystem is healthier when it has more biodiversity
biodiversity is usually positively affected when non-native species are introduced into an environment
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How could an ecosystem’s biodiversity decrease?
an increase in a predator population
a decrease in a predator population
one species decreases due to disease, and causes food scarcity for other species
an invasive species is removed out of its non-native habitat
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-2
NGSS.MS-LS2-4
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