Energy Flow
What is the first and main source of energy in the energy flow in the ecosystem?
The sun
What is the difference between a food web and a food chain?
Food web: there are many connections between prey and predators
Food Chain: There is a specific chain of animals (one in each group of producers, herbivores, omnivores, carnivores and decomposers.
Bodies of water in the ecosystem are..
oceans, lakes and rivers
In the atmosphere, carbon is released in the form of...
(what we breathe out)
carbon dioxide
Nitrogen gas takes up ___% of our atmosphere
78%
Explain "photosynthesis"
Plants take in sun and water to produce sugars which provide nutrients to the plants.
What is another word for "glucose"?
Sugar
Water vapor returns to the Earth by...
Example: rain
rain, snow, hail, sleet and fog
how do plants and animals help each other?
Plants provide oxygen for us to breathe and we provide carbon dioxide for the plants to breathe.
Nitrogen is passed (UP or DOWN) the food chain?
Up
What is another word for "autotroph" and give an example.
"producer" - can be any plant or anything that can sustain life on it's own.
Give me 2 examples of predators and 2 examples of prey.
answers may vary
What are the 4 processes of the water cycle?
Hint: 1. Evaporation
1. Evaporation
2. Precipitation
3. Transpiration
4. Condensation
Carbon is the key element of all organic compounds such as....
(example: carbs)
carbs, lipids (fats), proteins, nucleic acids and all living things
All organisms must have nitrogen in order to build...
proteins and nucleic acids
Name the energy flow in an ecosystem starting from the beginning to the end.
Example: 1- sun
1. Sun
2. Producer
3. Herbivore
4. Omnivore
5. Carnivore
6. Decomposer
What are all of these animals classified under in the food web?
rabbit, deer, black bear, giraffes
herbivores
The amount of water vapor in the air depends on ______ and ________
temperature and air pressure
What things emit carbon dioxide into the air?
cars, trucks, factories, mining, volcanic eruptions, burning forests, etc
Nitrogen is also found in ammonia, __________, and ___________________
dead plants and animals and animal waste
Through the energy flow, how much percentage is transferred to the next plant/animal?
each intake 10% of the member before it.
What are these considered in the food web?
mushrooms, worms, bacteria
decomposers
Living cells are made up of ___% of water
70%-80%
How have humans affected the atmosphere from over-emiting carbon
global warming, sea levels rising, warmer climates
The nitrogen cycle has 4 different types of bacteria, what are they?
Nitrogen-fixing bacteria, Nitrifying bacteria, Ammonifying bacteria, and Denitifying bacteria