Ecosystems
The necessities
What is your job?
Energy
Survive and thrive
100
The word that means all the living organisms and their environment in a certain section of the earth.
What is an ecosystem?
100
Plants give this necessity to humans.
What is oxygen?
100
An organism's specific function or job in an ecosystem is called ____________________.
What is a niche?
100
The ultimate source of all energy on earth.
What is the sun?
100
Special characteristics or abilities that help them to survive.
What are adaptations?
200
This word means all of the different species that live in an ecosystem.
What is a community?
200
Humans and animals give this necessity to plants.
What is carbon dioxide?
200
As Christians we have a job to take care of God's creation. This is known as _____________________.
What is stewardship?
200
Organisms that obtain energy through photosynthesis are called______________________.
What are producers?
200
The ability of some organisms to go into a deep sleep through the winter-their temperatures decrease, their breathing decreases, their heart rate decreases and they use very little energy.
What is hibernation?
300
The word that means all of the organisms of the same species that live in an ecosystem.
What is a population?
300
This is the reason that some animals live in groups.
What is protection?
300
Some animals have been given special abilities to digest rotting material without getting sick. They clean up dead things. They are called _______________.
What are scavengers?
300
Organisms that obtain energy by eating meat.
What are carnivores?
300
The plant or animal that lives on or in another organism.
What is a parasite? (The animal that it lives on or in is the host)
400
The word that means each living member of an ecosystem. An example is one red fox.
What is an individual?
400
Some necessities are in limited supplies. Because of this some animals get what they need and some don't. This fight for resources is called _____________.
What is competition?
400
Some organisms have the job of breaking down material to put nutrients back into the soil. They are called ______________.
What are decomposers?
400
Organisms that can eat plants and animals.
What are omnivores?
400
A special partnership in which two species interact with each other over a long period of time.
What is a symbiotic relationship?
500
The place that a species lives is this.
What is its habitat?
500
In addition to carbon dioxide and sunlight, plants need this to do photosynthesis.
What is water?
500
Populations can share a habitat, but a __________is unique to only one population.
What is a niche?
500
What happens to the amount of energy passed along through a food pyramid.
What is the energy decreases each time it is passed up to the next level of the pyramid. (Only 10% of the energy gets passed up to the next level because organisms use most of their energy to live and grow.)
500
A relationship between two species in which one benefits and the other is neither helped nor harmed.
What is commensalism?
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