Beavers dams cause _________ and _____________ to form.
Ponds and wetlands
Protecting ecosystem and the organisms living in them.
Conservation
Events such as an ______________ happen more slowly.
Ice age
Living things rely on their environment for _________, air, _________, and a place to live
Food and water
Any harmful substance that gets into the environment.
Pollution
Bees, birds, flowers, soil, water, and sunlight are all part of an __________.
Ecosystem
All living things are.
Organisms
All the living and nonliving things in nature.
Environment
Volcanoes can cause long-term change when ___________ and _______________ block out the suns rays.
Dust and gases
A community of living and nonliving thing and everything around them.
Ecosystem
A neighborhood will be built on 26 acres near Gainesville. What type of organism will be responsible for this environmental change?
Humans
This is in many soaps and cleaners that kill many bacteria.
Antibiotics
This is where most human trash ends up in.
Landfills
This happens when all the members of a certain kind of living thing die.
Extinction
Some zebras are taller, and some can run faster. Some have longer hair, and some have longer tails. What is the most important reason for a population to have individual variation.
To survive if the environment changes.