Ecosystems
An ecosystem is a certain section of the earth that includes all living organisms and their _______
environment
True or False?
Dead things and wastes are broken down by consumers
FALSE the correct answer is: decomposers
Give an example of a consumer
Animals
The _____ _______ is the transfer of energy and nutrients through a community
food chain
What does an energy pyramid show?
How energy moves through one food chain in an ecosystem
sizes
True or False?
Scavengers eat dead things and waste
TRUE
What are the three main groups of consumers?
herbivore: rabbit
omnivore: red fox
carnivore: cougar
predators
List the 4 needs of all living things
food, water, protection from consumers, and shelter
We should learn about ecosystems as good ______ of God's world
stewards
Niches are unique to only one population, whereas populations can share a habitat
TRUE
How do producers and consumers get their energy?
Producers take energy from the sun and change it into a form of energy that consumers are able to use
predators hunt _____
prey
symbiosis
sun
True or False:
Omnivores eat ONLY plants
FALSE: herbivores eat only plants
How are decomposers and scavengers helpful to ecosystems
Scavengers keep the ecosystem clean by eating dead materials. Decomposers break down the dead materials adding nutrients and minerals back to the environment. Plants use nutrients and minerals to grow and produce more food.
Competition occurs when two or more organisms are trying to use the same _______
resources
If I live on or in another organism and take food from this organism, what am I?
What type of organism can change energy from the sun into usable forms of energy for other organisms?
producers
True or False:
Sunlight, Nitrogen, and water are needed for photosynthesis
FALSE
Sunlight, carbon dioxide, and water are needed for photosynthesis
Describe how a change in one part of a food web can effect other organisms
If a predator population decreases, the prey population could increase
Competition can balance an _________
ecosystem
List 2 instincts and 2 learned behaviors
I: God-given basic knowledge and skills that an animal needs for survival, Migration and hibernation
LB: Behaviors that cannot be inherited, dolphin jumping through a hoop