What is the following is an abiotic (nonliving) factor in an ecosystem?
grass
deer
trees
water
How can scientists compare fossils to present-day organisms?
By ignoring any differences and focusing on similarities
By using a time machine
By studying the size and shape of the fossil and comparin
By asking fossils questions
What are fossils?
Microscopic organisms
Living organisms
The remains of ancient living things
Fossils are not real
What kind of rocks do you usually find fossils in?
Igneous
Sedimentary
Metaphoric
Volcanic
What is one way organisms can adapt to changes in their environment?
By ignoring the changes and hoping they go away
By evolving over time or changing their behaviors
By staying in the same place and not moving
By depending solely on humans for help
Which of the following is a way that humans can help protect the environment?
Cutting down forests
Dumping chemicals into rivers
Cutting down forests
Recycling and reducing waste
What is the main purpose of comparing fossils to present day organisms?
To understand how fossils form
To identify similarities & differences between the organisms
To determine the age of the fossils
To find out where fossils were discovered
Which of the following is an example of a beneficial change in an organism's environment?
An increase in pollution levels
A decrease in the availability of food
A new source of shelter and protection
A predator moving into the area
What is the primary source of energy for most living organisms on earth?
sunlight
soild
wind
water
What do we call a group of organisms that live in the same area and interact with each other and its environment.
Weather patterns
Fossils
Ecosystem
Rock formation