A specific area with all the living and nonliving things that interact within it.
What is an ecosystem?
Which way does the arrow go?
sea urchin sea otter
What is from left to right?
Some activities of humans affect the processes of an ecosystem and most changes are likely to be _______ to the ecosystems
What is damaging What is detrimental?
Scientists may learn what an animal ate by looking at the shapes of this fossil item.
What are teeth?
All the living and nonliving things that surround and affect an organism
What is an environment?
An organism that make its own food
What is a producer?
You can help maintain the world's supply of natural resources by
What is reduce,reuse,and recycling?
Scientists compare animal fossils to similar animals that are alive today. For example the elephant and the mammoth both have these.
What are tusks?
This maps many food chains together
What is a food web?
An organism that cannot make its own food
What is a consumer?
Direct harvesting of organisms can lead to the ______ of a species.
What is extinction?
If two fossils are found in the same rock, scientists can infer that these two things did this.
What is lived at the same time?
Three non-living things that producers need to do photosynthesis.
What is air, sunlight, and water?
What is an organism that breaks down waste and remains to obtain nutrients
What is a decomposer?
How would an ecosystem change if the fish that were the MAIN food source for dolphins became sick and died?
What is the number of dolphins would decrease.
Animal fossils are more common than plant fossils because plants have this.
What are softer body parts?
A fish takes cover in the coral to avoid being eaten
What is interacting with the nonliving components of an ecosystem?
An example of non-living thing in that produces energy
What is the sun?
If the number of sea otters increased in an ecosystem, what would happen to the number of sea urchins?
What is the number of sea urchins decreasing?
Palm trees were found fossilized under a sea
What used to be land is now an ocean?