Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Ecosystem changes
0
%
0
0
0
Back
Restart
What is the difference between a change in seasons and an ecosystem changing over time?
Ecosystems change in a repeating cycle of seasons, but sometimes grow and change in different ways too
Oops!
Okay!
How has human population growth affected biodiversity?
It has accelerated the natural cycle of species substitution
Oops!
Okay!
What are fossils?
remaining parts of a dead living creature that can be thousands or millions of years old.
Oops!
Okay!
What are TWO helpful man-made changes to ecosystems?
Conserving natural habitats, Protecting species, Reforestation, Controlling rubbish, Recycling
Oops!
Okay!
What are TWO harmful man-made changes to ecosystems?
Starting fires, Causing deforestation, Draining water, Exploiting resources, Dumping illegally
Oops!
Okay!
What is ecological balance?
there is little change in an ecosystem over the years because it balances and stays stable
Oops!
Okay!
What is extinction?
when a species that lived on earth disappears.
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies