Vocabulary 1
What is it called when an entire species is gone forever?
extinct
What consumer eats only animals?
carnivores
What do we call consumers that eat BOTH plants and animals?
omnivores
What is the main source of life on Earth?
sunlight
Give an example of a natural disaster that could affect an ecosystem.
flood, hurricane, fire, earthquake, tornado, etc.
The specific role of an organism is a _______
Niche
What does endangered mean?
It's when a population of some species is at risk of dying out.
What are herbivores?
consumers that get energy by eating only plants
What level in the food chain has the most energy?
the producer
Why does the United States have national parks?
What are decomposers?
They digest and recycle the waste and remains of dead plants and animals.
What are substances that are very harmful to humans and other organisms?
hazardous wastes
What is an ecosystem?
all living and nonliving things in an environment and the many ways they interact
What is the difference between a food chain and a food web?
A food chain starts with a producer and gets eaten by a chain of consumers where a food web is made up of several different species that might share the same producers and consumers in an ecosystem.
How does competition affect an ecosystem?
When new animals come in or an ecosystem isn't balanced species could lose their habitats and become endangered or extinct.
What is a parasite?
an organism that feeds on and harms a living thing
What is a community?
different populations that interact with each other in the same area
What is harmed by a parasite and provides energy and an environment to another organism?
host
Why is a desert a system?
a. People do not live there.
b. It consists mostly of plants.
c. Each part of the desert is independent.
d. It has parts that work together for a purpose.
d. It has parts that work together for a purpose.
They can build houses, cut down trees, and put new animals in an ecosystem which could harm or destroy it.
What is the gradual change from one community of organisms to another?
succession
What is a population?
all the members of one species that live within an area of an ecosystem
What is competition?
when two or more species must use the same limited resources to survive
A meadow has too many rabbits. What would help balance this ecosystem?
a. more rain that grass needs
b. more foxes that eat rabbits
c. fewer foxes that eat rabbits
d. more grass for rabbits to eat
b. more foxes that eat rabbits
What does the Bible tell us about ecosystems?
God says we need to take care of his earth. In fact he left Adam in charge of preserving and taking care of the animals and everything on the earth.