Food Webs
What is at the bottom of any food chain or food web?
The producer
Has feathers
Born from hard-shelled eggs
What are the three most difficult environments in which to live?
Desert, Polar Regions, and Water
What is the main problem with humans in the ecosystem?
There is an increase of population.
What is a trophic level?
Any feeding level on a food web
Which type of consumer is found at the top of the food chain?
The top carnivore
What are the characteristics of mammals?
They have fur
Drink and produce milk
Why can fish survive in water?
Their shape is best suited for living in the water.
They have gills and fins.
What are the 3 R's?
Reduce, reuse, recycle
Someone decides to clean a pickle jar and use it to store dried beans. What is this action called?
Reusing
In the following food chain, name the producer, the primary consumer, and the top carnivore.
Grass --> Grasshopper --> Frog --> Snake --> Owl
Producer: Grass
Primary consumer: Grasshopper
Top Carnivore: Owl
What is the mnemonic device used to memorize the biological hierarchy of living beings?
King Philip Came Over For Good Spaghetti
What is an adaptation that camels have had to make in order to survive in the desert?
Their humps retain liquid
What is the cutting down of trees to free up land?
Deforestation
Why are producers at the bottom of the food chain?
They produce their own food.
What would happen in an ecosystem if there are no producers?
Scientists were able to distinguish an animal that had no backbone. What type of animal is this?
What are the 4 things that all living things need in order to survive?
1. Water
2. Food
3. Shelter
4. Be able to reproduce
What is caused by releasing an excess of carbon dioxide and sulfur dioxide into the air?
Acid rain and global warming
What are some of the adaptations that desert foxes have had make in order to best survive in the desert?
1. Long ears to listen for predators
2. Long ears to also protect them from heat
3. Nocturnal
4. Makes small holes in the sand to rest and cool down
What are the producers that are found in the ocean?
Algae or underwater plants
Born in water with gills
Later develop lungs and legs
Two lives
Cold-blooded
(Name 3 adaptations)
1. Feathers are thick for insulation
2. They are white to hide from predators
3. They hunt and eat anything they can catch
4. They can hunt whenever
What are the main problems with a population increase?
Name 3
1. Need for more energy resources
2. Need for land
3. Increase in waste material
4. Increase in pollution
5. Destroying natural habitats
Explain how energy is transferred on a food chain.
Energy from the bottom level is transferred to the next, and it goes all the way up to the top level.