WorksheetsChanges in Ecosystems/Learn from the Past
Total questions: 17
Worksheet time: 31mins
How do changes in ecosystems affect the living things that live there?
changes don't affect living things
changes only affect non-living things
it affects them because living things depend on the ecosystem to survive
tornadoes
What are natural hazards and how can they change environments?
they are events that can cause great damage and change environments suddenly
hurricanes and tornadoes
natural hazards don't change environments
they are made by humans and change environments slowly
How can humans reduce the impact of natural hazards?
ignore warnings
natural hazards don't impact humans
be prepared: watch the news and evacuate
the 3 R's
What is an ecosystem?
a habitat
all of the living and non-living things that interact in an environment
has ONLY living things
has ONLY non-living things
A food web is...
the overlapping food chains in an ecosystem
food chains
something that starts with the sun
a spider web
What is pollution?
recycle, reuse, reduce
smoke
harmful materials that get into air, water, and land
trash in the ocean
A natural hazard is...
a tornado
a natural event that causes great damage
something made by humans
floods
What is an accommodation?
an organisms response to change in its environment
to compomise
a wall
a bad thing
An organism is...
a non-living thing
a living thing
a frog
a rock
What is a levee?
an accommodation
a river
a flood
an Earth wall designed to prevent flooding
What happened to organisms no longer living on Earth?
What can we learn from fossils?
What does endangered mean?
What does extinct mean?
What is a fossil?
What is a paleontologist?
What is a skeleton?
